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WO2024071122A1 - Agent améliorant la résistance de plantes ayant une action durable sur une longue durée - Google Patents

Agent améliorant la résistance de plantes ayant une action durable sur une longue durée Download PDF

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Publication number
WO2024071122A1
WO2024071122A1 PCT/JP2023/034955 JP2023034955W WO2024071122A1 WO 2024071122 A1 WO2024071122 A1 WO 2024071122A1 JP 2023034955 W JP2023034955 W JP 2023034955W WO 2024071122 A1 WO2024071122 A1 WO 2024071122A1
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WIPO (PCT)
Prior art keywords
flexible container
alkenal
container
alkenone
resistance
Prior art date
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PCT/JP2023/034955
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English (en)
Japanese (ja)
Inventor
博 河合
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Phytochrome Inc
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Phytochrome Inc
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Publication of WO2024071122A1 publication Critical patent/WO2024071122A1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00—Botany in general
    • A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N35/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical
    • A01N35/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical containing aliphatically bound aldehyde or keto groups, or thio analogues thereof; Derivatives thereof, e.g. acetals
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P21/00—Plant growth regulators

Definitions

  • the present invention relates to a tolerance enhancer for sustainably enhancing or improving the heat resistance and drought resistance of plants over a long period of time.
  • the present invention also relates to a generating device for generating the tolerance enhancer.
  • Patent Document 1 it has been reported that certain compounds such as ethyl vinyl ketone and hydroxyacrolein induce high temperature tolerance in plants (Patent Document 1). It has also been reported that at least one unsaturated carbonyl compound selected from certain unsaturated aldehydes and unsaturated ketones can improve or enhance not only heat tolerance (high temperature tolerance) and drought tolerance, but also other tolerances (injury tolerance, light tolerance, etc.) (Patent Document 2). These tolerance enhancers can improve or enhance tolerances such as heat tolerance and drought tolerance without relying on genetic modification, so they are expected to be effective in countries where the cultivation of genetically modified crops is prohibited and for conventional varieties.
  • the present invention aims to provide a tolerance enhancer that can sustainably improve or enhance the heat and drought resistance of plants for a long period of time (two months or more).
  • the inventors conducted extensive research to solve this problem, and as a result, they discovered for the first time a plant tolerance enhancer that can continuously improve or enhance the heat resistance and drought resistance of plants for two months or more by using as an active ingredient at least one unsaturated carbonyl compound having 4 to 9 carbon atoms and no unsaturated bonds at the terminals, which is selected from the group consisting of ⁇ , ⁇ -alkenals, ⁇ , ⁇ -alkenones, ⁇ , ⁇ -alkenals, ⁇ , ⁇ -alkenones, ⁇ , ⁇ -alkenones, ⁇ , ⁇ -alkenones, and ⁇ , ⁇ -alkenones, and further containing triethyl citrate. They also discovered an effective method for generating said tolerance enhancer and an apparatus for generating said tolerance enhancer, and thus completed the present invention.
  • a tolerance improver for sustainably improving or enhancing the heat tolerance and drought tolerance of a plant for two months or more comprising an unsaturated carbonyl compound having 4 to 9 carbon atoms and no terminal unsaturated bond, which is at least one selected from the group consisting of ⁇ , ⁇ -alkenals, ⁇ , ⁇ -alkenones, ⁇ , ⁇ -alkenals, ⁇ , ⁇ -alkenones, ⁇ , ⁇ -alkenals, ⁇ , ⁇ -alkenones, ⁇ , ⁇ -alkenals, and ⁇ , ⁇ -alkenones, and triethyl citrate.
  • a method for continuously improving or enhancing the heat tolerance and drought tolerance of a plant for two months or more comprising: (1) a step of mixing an unsaturated carbonyl compound having 4 to 9 carbon atoms and no terminal unsaturated bond, which is at least one type selected from the group consisting of ⁇ , ⁇ -alkenals, ⁇ , ⁇ -alkenones, ⁇ , ⁇ -alkenals, ⁇ , ⁇ -alkenones, ⁇ , ⁇ -alkenals, ⁇ , ⁇ -alkenones, ⁇ , ⁇ -alkenals, and ⁇ , ⁇ -alkenones, with triethyl citrate, and preparing a composition containing them (hereinafter, also referred to as the "composition of the present invention”); and (2) a step of releasing the unsaturated carbonyl compound having 4 to 9 carbon atoms and no terminal unsaturated bond into the atmosphere (hereinafter, also referred to as the "method of improving tolerance of the present invention”).
  • the steps (1) and (2) are carried out by bending the flexible container and breaking the first and second breakable containers using a tolerance improving agent generating device, characterized in that a first breakable container containing an unsaturated carbonyl compound having 4 to 9 carbon atoms and no unsaturated bond at its terminal, which is at least one selected from the group consisting of ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, and ⁇ , ⁇ -alkenone, which may have one or more emission holes, is accommodated in a flexible container, and an absorbent material is arranged to block the emission hole if the flexible container has an emission hole, or at the end if the flexible container does not have an emission hole, and a second breakable container containing triethyl citrate is accommodated in the flexible container outside the first breakable container.
  • the steps (1) and (2) include a cylindrical flexible container having a sealed top and an open bottom, at least one fracturable container inserted into an internal storage space of the flexible container, the fracturable container containing an unsaturated carbonyl compound having 4 to 9 carbon atoms and no unsaturated bond at a terminal, the unsaturated carbonyl compound being at least one selected from the group consisting of ⁇ , ⁇ -alkenals, ⁇ , ⁇ -alkenones, ⁇ , ⁇ -alkenals, ⁇ , ⁇ -alkenones, ⁇ , ⁇ -alkenals, ⁇ , ⁇ -alkenones, ⁇ , ⁇ -alkenals, and ⁇ , ⁇ -alkenones, an attachment attached to the bottom of the flexible container, and a combination of the attachment and the flexible container.
  • the mounting device having a side facing the inner surface of the flexible container and an upper surface facing the bottom of the flexible container, the mounting device having a through hole on the upper surface and one or more voids on the side, and a liquid agent containing triethyl citrate is contained in the flexible container outside the fracturable container.
  • a cylindrical flexible container having a sealed top and an open bottom, and at least one breakable container inserted into an internal storage space of the flexible container, the breakable container containing a composition comprising an unsaturated carbonyl compound having 4 to 9 carbon atoms and no terminal unsaturated bond, which is at least one selected from the group consisting of ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, and ⁇ , ⁇ -alkenone obtained by the step (1), and triethyl citrate, and a flexible container having a bottom portion and a breakable container inserted into an internal storage space of the flexible container, the composition comprising an unsaturated carbonyl compound having 4 to 9 carbon atoms and no terminal unsaturated bond, which is at least one selected from the group consisting of ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone
  • the steps (1) and (2) include a cylindrical flexible container having a sealed top and an open bottom, a first breakable container inserted into an internal storage space of the flexible container and containing an unsaturated carbonyl compound having 4 to 9 carbon atoms and no unsaturated bond at a terminal, the unsaturated carbonyl compound being at least one selected from the group consisting of ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, and ⁇ , ⁇ -alkenone, a mounting device attached to the bottom of the flexible container, and a mounting member attached between the mounting device and the flexible container.
  • the flexible container is folded and the fracturable container is broken using a tolerance improving agent generating device for continuously improving or improving the heat resistance and desiccation resistance of a plant for two months or more
  • the flexible container is provided with a permeable membrane attached thereto
  • the mounting device has a side facing the inner surface of the flexible container and an upper surface facing the bottom of the flexible container
  • the mounting device has a through hole on the upper surface and a single or multiple voids on the side
  • a second fracturable container containing triethyl citrate is housed inside the flexible container outside the first fracturable container.
  • a device for generating a tolerance improver for continuously improving or improving the heat resistance and desiccation resistance of a plant for more than two months characterized in that at least one breakable container containing an unsaturated carbonyl compound having 4 to 9 carbon atoms and no terminal unsaturated bond, which is at least one selected from the group consisting of ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, and ⁇ , ⁇ -alkenone, which may be provided with one or more emission holes, is contained in the flexible container, and an absorbent material is placed so as to block the emission hole when the flexible container has an emission hole, or at the end when the flexible container does not have an emission hole, and a liquid agent containing triethyl citrate is contained in the flexible container outside the breakable container (hereinafter, it may be referred to as the "durability
  • a device for generating a tolerance improver for continuously improving or improving the heat resistance and desiccation resistance of a plant for more than two months characterized in that at least one breakable container is accommodated in a flexible container which may have one or more emission holes, and contains an unsaturated carbonyl compound having 4 to 9 carbon atoms and no terminal unsaturated bond, which is at least one selected from the group consisting of ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, and ⁇ , ⁇ -alkenone, and an absorbent material is arranged to block the emission hole when the flexible container has an emission hole, or to the end when the flexible container does not have an emission hole (hereinafter, this may be referred to as the "durability improver generating device (2') of the present invention).
  • a cylindrical flexible container having a sealed top and an open bottom, at least one fracturable container inserted into an internal storage space of the flexible container, the fracturable container containing an unsaturated carbonyl compound having 4 to 9 carbon atoms and no terminal unsaturated bond, the unsaturated carbonyl compound being at least one selected from the group consisting of ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, and ⁇ , ⁇ -alkenone, an attachment attached to the bottom of the flexible container, and a coupling device between the attachment and the front end.
  • a tolerance improving agent generating device for continuously improving or enhancing the heat resistance and desiccation resistance of a plant for two months or more, characterized in that the device has a permeable membrane attached between the flexible container and the mounting device, the mounting device has a side facing the inner surface of the flexible container and an upper surface facing the bottom of the flexible container, the mounting device has a through hole on the upper surface and one or more voids on the side, and a liquid agent containing triethyl citrate is contained in the flexible container outside the breakable container (hereinafter, this may be referred to as the ⁇ tolerance improving agent generating device (3) of the present invention'').
  • a cylindrical flexible container having a sealed top and an open bottom; a first breakable container to be inserted into an internal storage space of the flexible container, the first breakable container containing an unsaturated carbonyl compound having 4 to 9 carbon atoms and no unsaturated bond at a terminal, the unsaturated carbonyl compound being at least one selected from the group consisting of ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, and ⁇ , ⁇ -alkenone; an attachment to be attached to the bottom of the flexible container; and a combination of the attachment and the flexible container.
  • the mounting device having a side facing the inner surface of the flexible container and an upper surface facing the bottom of the flexible container, the mounting device having a through hole on the upper surface and one or more voids on the side, and a second frangible container containing triethyl citrate is accommodated inside the flexible container outside the first frangible container (hereinafter, also referred to as the "frangible container (4) of the present invention").
  • a cylindrical flexible container having a sealed top and an open bottom, and at least one breakable container inserted into an internal storage space of the flexible container, the breakable container containing a composition including an unsaturated carbonyl compound having 4 to 9 carbon atoms and no unsaturated bond at a terminal, the unsaturated carbonyl compound being at least one selected from the group consisting of ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, and ⁇ , ⁇ -alkenone, and triethyl citrate.
  • a tolerance improving agent generating device for continuously improving or enhancing the heat resistance and drought resistance of a plant for two months or more comprising: a mounting device attached to the bottom of the flexible container; and a permeable membrane attached between the mounting device and the flexible container, the mounting device having a side facing the inner surface of the flexible container and an upper surface facing the bottom of the flexible container, the mounting device having a through hole on the upper surface and having one or more voids on the side (hereinafter, also referred to as the "tolerance improving agent generating device (4') of the present invention").
  • a composition containing an unsaturated carbonyl compound having 4 to 9 carbon atoms and no terminal unsaturated bond which is at least one selected from the group consisting of ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, and ⁇ , ⁇ -alkenone, and triethyl citrate, it is possible to continuously improve or improve the heat resistance, drought resistance, and other resistances of plants for two months or more, and thus it is possible to provide a plant tolerance enhancer that can be used throughout one season (two or more summer months) in agricultural fields without the need for frequent replacement.
  • FIG. 1 shows a cross-sectional view of one embodiment of a resistance enhancer generating device (1) of the present invention.
  • FIG. 2 shows a cross-sectional view and an exploded view of one embodiment of the resistance enhancer generator device (3) of the present invention.
  • FIG. 3 shows a cross-sectional view and a partially enlarged view of one embodiment of the resistance enhancer generating device (5) of the present invention.
  • the active ingredient in the tolerance improver of the present invention is an unsaturated carbonyl compound having 4 to 9 carbon atoms and no terminal unsaturated bond (i.e., carbon-carbon double bond), which is at least one selected from the group consisting of ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, and ⁇ , ⁇ -alkenone (hereinafter, sometimes referred to as the "active ingredient compound of the present invention").
  • the active ingredient compound of the present invention is preferably at least one selected from the group consisting of ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenal, and ⁇ , ⁇ -alkenal, and more preferably ⁇ , ⁇ -alkenal (particularly preferably 2-hexenal).
  • the active ingredient compound of the present invention may be either chain-like (straight-chain or branched-chain) or cyclic, but is preferably chain-like, and more preferably straight-chain.
  • any isomer may be used, and a mixture containing multiple isomers in any ratio may be used.
  • active ingredient compounds of the present invention include, for example, ⁇ , ⁇ -alkenals such as 2-butenal, 2-pentenal, 2-hexenal, 2-heptenal, 2-octenal, and 2-nonenal; ⁇ , ⁇ -alkenones such as 3-penten-2-one, 2-hexen-3-one, 3-hepten-2-one, and 2-octen-4-one; 4-hexenal, 4-heptenal, and 4-hexenal; ⁇ , ⁇ -alkenals such as butenal; ⁇ , ⁇ -alkenones such as 5-octen-2-one; ⁇ , ⁇ -alkenals such as 5-heptenal, 5-octenal, 5-nonenal; ⁇ , ⁇ -alkenones such as 6-nonen-2-one; ⁇ , ⁇ -alkenals such as 6-octenal, 6-nonenal; and ⁇ , ⁇ -alkenones such as 7-nonen-2-one.
  • ⁇ , ⁇ -alkenals such as
  • ⁇ , ⁇ -alkenals such as 2-butenal, 2-pentenal, 2-hexenal, 2-heptenal, 2-octenal, and 2-nonenal
  • ⁇ , ⁇ -alkenals such as 4-hexenal and 4-heptenal
  • ⁇ , ⁇ -alkenals such as 5-heptenal, 5-octenal, and 5-nonenal
  • ⁇ , ⁇ -alkenals such as 6-octenal and 6-nonenal
  • 2-butenal, 2-pentenal, 2-hexenal, 2-heptenal, 2-octenal, and 2-nonenal being more preferred, and 2-hexenal being particularly preferred.
  • the active ingredient compounds of the present invention may be used alone or in combination of two or more types.
  • the content of the active ingredient compound of the present invention is not particularly limited, but is usually about 0.001 to about 90% by mass, and preferably about 0.01 to about 50% by mass, based on the total amount of the tolerance enhancer (100% by mass).
  • the active ingredient compound of the present invention is a very unstable substance, and since the active ingredient compound of the present invention alone is easily oxidized in the air and changes into a different fragrance component, it has been difficult to maintain the plant tolerance improvement effect for a long period of time.
  • the essential component for maintaining the stability of the active ingredient compound of the present invention, imparting sustained release properties, and maintaining the action effect for a long period of time is triethyl citrate.
  • triethyl citrate commercially available products may be used alone as they are, or may be mixed with other additives as necessary.
  • a "liquid containing triethyl citrate” may be a liquid consisting of triethyl citrate, or may be a liquid containing triethyl citrate and other additives.
  • the "liquid” may be any liquid regardless of viscosity, and may be a solution in which triethyl citrate is dissolved in a liquid inert carrier, or a suspension of a liquid inert carrier and triethyl citrate.
  • a liquid containing triethyl citrate is preferably a liquid consisting of triethyl citrate.
  • the content of triethyl citrate in the tolerance enhancer of the present invention is not particularly limited, but is usually about 10 to about 99.999% by mass, and preferably about 50 to about 99.99% by mass, based on the entire tolerance enhancer (100% by mass).
  • the stabilizing effect (antioxidant effect) of the active ingredient compound of the present invention is excellent, and the tolerance of the plant (heat tolerance, drought tolerance, and other tolerances) can be improved or improved over a long period of time of two months or more.
  • the effect of the tolerance enhancer of the present invention in enhancing or improving plant tolerance lasts for at least two months, and preferably for three months or more, from the start of use.
  • heat resistance means resistance to high temperatures (high temperature conditions) to which the material is temporarily or permanently exposed (high temperature resistance), and a high temperature may be, for example, a temperature of 25°C or higher (e.g., 27 to 70°C), preferably 30°C or higher (e.g., 32 to 60°C), more preferably 35°C or higher (e.g., 38 to 55°C), and particularly 40°C or higher (e.g., 42 to 50°C).
  • drought tolerance refers to the tolerance of a plant to remain viable even in conditions of water scarcity (dry areas or drought) or in land with limited water availability without dying.
  • other resistances refers to environmental stress resistances other than heat resistance and drought resistance, and examples thereof include at least one type of environmental stress resistance selected from injury resistance, light resistance (ultraviolet light resistance), oxidation resistance, low temperature resistance (low temperature resistance), osmotic pressure resistance, and salt tolerance.
  • the tolerance improver of the present invention may be composed of only an unsaturated carbonyl compound having 4 to 9 carbon atoms that does not have an unsaturated bond at the terminal (the active ingredient compound of the present invention) and triethyl citrate, or may be formulated by blending other additives in an appropriate ratio as necessary.
  • the active ingredient compound of the present invention and triethyl citrate can be blended in an appropriate ratio with other additives as necessary, and dissolved, suspended, mixed, impregnated, adsorbed, attached, etc., and formulated into an appropriate dosage form, such as a suspension, emulsion suspension, emulsion, liquid, wettable powder, wettable granule, granule, powder, tablet, jumbo, etc., for use.
  • liquids are preferred, and the liquids may be used as they are, or may be impregnated into a solid inert carrier.
  • Examples of “other additives” that can be incorporated into the resistance improver of the present invention include inert carriers, adjuvants, etc.
  • the inert carrier may be either solid or liquid.
  • solid inert carriers include vegetable powders (e.g., soybean flour, grain flour, wood flour, bark powder, sawdust, tobacco stem powder, walnut shell powder, bran, cellulose powder, spherical cellulose, etc.), synthetic polymers such as ground synthetic resins, clays (e.g., kaolin, bentonite, acid clay, etc.), talcs (e.g., talc, pyrophyllite, etc.), silicas (e.g., diatomaceous earth, silica sand, mica, calcium silicate, etc.), activated carbon, natural minerals (e.g., sulfur powder, pumice, attapulgite, zeolite, etc.), calcined diatomaceous earth, crushed bricks, fly ash, sand, plastic carriers (e.g., polyethylene, polypropylene, polyvinylidene chloride, etc.), inorganic mineral powders (e.g.,
  • an inert carrier to be impregnated with the composition of the present invention a tablet of calcium silicate powder (Floralet (registered trademark); manufactured by LETS ONE Co., Ltd.), biodegradable spherical cellulose (Viscopal (registered trademark); manufactured by Rengo Co., Ltd.), etc. are preferred.
  • Liquid inert carriers include, for example, water, alcohols (e.g., methanol, ethanol, isopropyl alcohol, butanol, ethylene glycol, etc.), ketones (e.g., acetone, methyl ethyl ketone, methyl isobutyl ketone, diisobutyl ketone, cyclohexanone, etc.), ethers (e.g., ethyl ether, dioxane, cellosolve, dipropyl ether, tetrahydrofuran, etc.), aliphatic hydrocarbons (e.g., kerosene, mineral oil, etc.), aromatic hydrocarbons (e.g., benzene, toluene, xylene, solvent naphtha, alkylnaphthalene, etc.), halogenated hydrocarbons (e.g., dichloroethane, chloroform, carbon tetrachloride, etc
  • Adjuvants may be added as necessary and may be used alone or in combination of two or more.
  • Surfactants may be used as adjuvants for emulsifying, dispersing, solubilizing, etc., the active ingredient compound of the present invention.
  • surfactants include polyoxyethylene alkyl ethers, polyoxyethylene alkylaryl ethers, polyoxyethylene higher fatty acid esters, polyoxyethylene resin acid esters, polyoxyethylene sorbitan alkylates, polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monooleate, alkylaryl sulfonates, naphthalenesulfonic acid condensates, lignin sulfonates, higher alcohol sulfates, etc., but are not limited to these.
  • starch methyl cellulose, carboxymethyl cellulose, gum arabic, polyvinyl alcohol, pine oil, rice bran oil, bentonite, lignin sulfonate, etc.
  • auxiliary agent for dispersion stabilization, adhesion, binding, etc. of the active ingredient compound of the present invention.
  • polyethylene glycol (PEG) liquid paraffin, wax, stearates, alkyl phosphates, etc.
  • silicone oil, etc. can be used as an auxiliary agent as an antifoaming agent.
  • volatilization retaining agent e.g., retaining agent, fragrance retainer, etc.
  • an animal retaining agent such as musk, sage, ambergris, etc.
  • a vegetable retaining agent such as cedarwood oil, vetiver oil, oleoresin, balsam, resinoid, etc.
  • an artificial retaining agent such as vanillin, etc.
  • These have a relatively large molecular weight and are poorly volatile, and are therefore suitable as retaining agents.
  • Another preferred volatilization retaining agent or inert carrier that can be blended in the tolerance improver of the present invention is one or more sublimable substances selected from the group consisting of tricyclodecane, tricyclododecane (trade name "Aisawa-D", manufactured by Idemitsu Petrochemical Co., Ltd.), adamantane, 2,2-dimethyl-1,3-propanediol, 2,4,6-tritert-butyl-1,3,5-trioxane, and 2,4,6-triisopropyl-1,3,5-trioxane (trade name " Sunsabri (registered trademark) B", manufactured by Ogawa Fragrance Co., Ltd.).
  • the volatility By adding such a sublimable substance, it is possible to adjust the volatility (volatilization amount, volatilization speed, etc.) of the active ingredient compound of the present invention.
  • the sublimable substance 2,4,6-triisopropyl-1,3,5-trioxane is particularly preferable.
  • the tolerance enhancer of the present invention may contain an appropriate amount of other active ingredients (hereinafter also referred to as “concomitant agents”) as necessary, within the scope of not adversely affecting the tolerance enhancing effect of the active ingredient compound of the present invention.
  • the co-agents include, but are not limited to, agents for resistance to environmental stresses other than heat resistance and drought resistance, pest repellents, insect (bee, etc.) attractants, pest resistance inducers, pheromone disruptors, etc.
  • An example of an agent that provides resistance to environmental stresses other than heat resistance and drought resistance is (Z)-3-hexenyl acetate.
  • pest repellents examples include limonene, pinene, linalool, terpinene, pyrethroid compounds, etc.
  • Examples of attractants for insects include citral, sabinene, ⁇ -pinene, hexenyl acetate, hexyl hexanoate, (E)-2-hexenyl hexanoate, octyl butyrate, and hexyl acetate.
  • pest resistance inducers examples include methyl jasmonate, methyl salicylate, (Z)-3-hexenyl acetate, and ⁇ -ocimene.
  • Examples of pheromone disruptors include (Z)-11-tetradecenyl acetate, (Z)-9-tetradecenyl acetate, and octyl butyrate.
  • Plants to which the tolerance improving agent of the present invention can be applied are not particularly limited as long as they have stomata.
  • Agricultural and horticultural plants are preferred.
  • Specific plants include, for example, cereals (rice, barley, wheat, rye, oats, corn, etc.), beans (soybeans, adzuki beans, broad beans, peas, peanuts, etc.), fruit trees and fruits (apples, citrus fruits, pears, grapes, peaches, plums, cherries, walnuts, almonds, bananas, strawberries, etc.), vegetables (cabbage, tomato, eggplant, spinach, broccoli, lettuce, onion, green onion, bell pepper, etc.), root vegetables (carrots, potatoes, sweet potatoes, radishes, turnips, etc.), and processed foods.
  • the tolerance enhancer of the present invention may be applied to the target plant or a cultivation carrier for the target plant in an effective amount for inducing tolerance in the target plant, either as is or after appropriate dilution with water or the like.
  • application methods such as direct spraying on the target plant, root treatment, row treatment, and soil incorporation can be suitably used.
  • the hydroponic solution in hydroponic cultivation may be treated with the tolerance enhancer of the present invention.
  • a method of applying the tolerance enhancer of the present invention to a cultivation carrier that is, root treatment, row treatment, soil incorporation, hydroponic solution treatment, etc.
  • a cultivation carrier that is, root treatment, row treatment, soil incorporation, hydroponic solution treatment, etc.
  • the active ingredient compound of the tolerance enhancer of the present invention can be volatilized (vaporized) to treat the plant (allow it to reach the plant).
  • the timing of treating the plant with the tolerance enhancer of the present invention is not particularly limited, but it is preferable to treat the plant with the tolerance enhancer of the present invention before the time when high temperature damage is expected to occur.
  • the term "cultivation carrier” refers to a support for cultivating plants, and may be any material on which plants can grow. Examples include various types of soil, seedling mats, water, etc. Specific examples include sand, vermiculite, cotton, paper, diatomaceous earth, agar, gel-like substances, polymeric substances, rock wool, glass wool, wood chips, bark, pumice, etc.
  • the amount of the tolerance enhancer of the present invention used (application amount, treatment amount) varies depending on the blending ratio of the active ingredient compound of the present invention, weather conditions, formulation form, application time, application method, application location, target plant, etc., but typically, the active ingredient compound of the present invention is applied in an amount appropriately selected from the range of about 0.001 g to about 10 g per are per day, preferably about 0.005 to about 1 g.
  • the amount of triethyl citrate used (application amount, treatment amount) is typically about 0.5 g to 10 g, preferably about 1 g to 8 g, and more preferably about 2 g to 5 g, per 1 g of the unsaturated carbonyl compound having 4 to 9 carbon atoms.
  • the method for improving resistance of the present invention is not particularly limited as long as it is a method for applying the resistance improver of the present invention to a plant.
  • a method for treating a plant by volatilizing the active ingredient compound of the present invention in an enclosed space such as a vinyl house to continuously improve or improve the heat resistance and drought resistance of the plant for two months or more is as follows:
  • a method for improving the tolerance of a plant (the tolerance improving method of the present invention) is preferred, which comprises: (1) a step of mixing an unsaturated carbonyl compound having 4 to 9 carbon atoms and no terminal unsaturated bond, which is at least one type selected from the group consisting of ⁇ , ⁇ -alkenals, ⁇ , ⁇ -alkenones, ⁇ , ⁇ -alkenals, ⁇ , ⁇ -alkenones, ⁇ , ⁇ -alkenones, ⁇ , ⁇ -alkenals, and ⁇ , ⁇ -alkenones, with
  • the active ingredient compound of the resistance improving agent of the present invention used in the resistance improving method of the present invention can be an unsaturated carbonyl compound (active ingredient compound of the present invention) having 4 to 9 carbon atoms and no unsaturated bond (i.e., carbon-carbon double bond) at the terminal, as described above, and is preferably at least one selected from the group consisting of ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenal, and ⁇ , ⁇ -alkenal, and more preferably ⁇ , ⁇ -alkenal (particularly preferably 2-hexenal).
  • unsaturated carbonyl compound active ingredient compound of the present invention having 4 to 9 carbon atoms and no unsaturated bond (i.e., carbon-carbon double bond) at the terminal, as described above, and is preferably at least one selected from the group consisting of ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenal, and ⁇ , ⁇ -alkenal, and more preferably
  • the method for improving resistance of the present invention is not particularly limited with respect to the equipment used, so long as it includes the steps of mixing the active ingredient compound of the present invention with triethyl citrate to prepare a composition containing them (the composition of the present invention), and discharging (volatilizing) the active ingredient compound of the present invention into the atmosphere (i.e., the steps (1) and (2) above).
  • the resistance improvement method of the present invention includes, for example, preparing the composition of the present invention by the above-mentioned step (1), evenly spraying or dropping a specific amount (saturated loading amount) of the composition of the present invention onto an inert carrier containing a sublimable substance, thoroughly mixing, and then pulverizing the mixture with a hammer mill as necessary, and pressurizing the mixture with a molding machine such as a tabletting machine, briquette machine, or pelletizer to produce tablets containing the composition of the present invention.
  • the tablets can then be placed in a container and used in a cultivation facility, or hung from the supports of the cultivation facility, the tops of plant stocks, etc., to release the active ingredient compound of the present invention into the atmosphere.
  • the gelling agent is stirred and suspended in purified water, autoclaved (about 120°C, 5 minutes), cooled to about 40°C, and a surfactant is added to prepare a gel base.
  • the gel base is poured into a container containing the composition of the present invention prepared in step (1) above and an inert carrier, stirred and mixed, and then allowed to stand until the gel solidifies, thereby producing a semi-solid preparation (gel-like preparation) containing the composition of the present invention.
  • the semi-solid preparation (gel-like preparation) can be placed in a container and used in a cultivation facility, or hung from a support of the cultivation facility, the top of a plant stock, etc., to release the active ingredient compound of the present invention into the atmosphere.
  • the container for storing the tablet or semi-solid preparation (gel preparation) containing the composition of the present invention is not limited in any way, and any conventional technology in the relevant technical field can be used, but it is preferable that the container has a hook for hanging from a support of a cultivation facility, the top of a plant stock, etc., or a specific hole (not for ventilation) for hanging from the top of a plant stock, etc.
  • the shape of the container is not particularly limited, and may be any shape that can store the composition of the present invention and has an opening (including a small hole) in a portion thereof, or a shape that allows the active ingredient compound of the present invention and the sublimable substance in the composition of the present invention to pass through (volatilize), and is preferably bag-shaped.
  • the container may have a part (e.g., mouth, side window) covered with a transparent resin film so that the reduction or disappearance of the contained composition of the present invention can be easily confirmed visually.
  • transparent resin films include polypropylene (PP), polyethylene (PE), vinyl chloride, acrylonitrile-butadiene-styrene copolymer (ABS), and 4-methyl-1-pentene-based polyolefins (trade name "TPX”, manufactured by Mitsui Chemicals, Inc.), as well as transparent multilayer films such as polypropylene multilayer sheets (trade name "Multiray”, manufactured by Idemitsu Kosan Co., Ltd.), and multilayer sheets mainly made of acrylonitrile-based plastic resins (trade name "Zecron”, manufactured by Mitsui Chemicals, Inc.).
  • a preferred embodiment of the container is one in which the active ingredient compound of the present invention and the sublimable substance in the composition of the present invention are enclosed in an impermeable packaging material, and a part of the packaging material is opened or a specific hole for ventilation is formed in a specific ratio when the container is used.
  • the material of the packaging material is not particularly limited, and examples thereof include glass, ceramic, metal, plastic, etc.
  • plastic packaging material it is necessary that the material is impermeable to the active ingredient compound of the present invention and the sublimable substance in the composition of the present invention, and examples of such materials include polyester (PET, PBT, etc.), polyacrylonitrile, polyacetal, polycarbonate, polyamide, etc.
  • a more preferred embodiment of the container is a container (preferably a bag) having an intermediate layer with gas barrier properties.
  • a flexible bag-shaped soft packaging material having an intermediate layer covered with an inorganic material (aluminum foil or silica vapor deposition) with gas barrier properties that is impermeable to the active ingredient compound of the present invention and the sublimable substance in the composition of the present invention is preferred, and an aluminum vapor deposition laminate film bag is more preferred.
  • the container is, for example, a bag-shaped container in which both or one side of a flexible bag is made of Japanese paper or nonwoven fabric with the inside laminated with a drug-permeable film that allows the liquid components and sublimable substances in the composition to pass through, or a long-fiber nonwoven fabric manufactured by a lamination and spreading method, and in the case of one side, the other side is made of a gas-barrier film (drug-impermeable film) that does not allow the liquid components and sublimable substances in the composition to pass through.
  • a gas-barrier film drug-impermeable film
  • Examples of the drug-impermeable film include polyester (PET, PBT, etc.), polyacrylonitrile, polyacetal, polycarbonate, polyamide, etc., and examples of the drug-impermeable film include polyolefins such as polyethylene (PE) and polypropylene (PP), ethylene vinyl acetate (EVA), etc.
  • PET polyester
  • PBT polyacrylonitrile
  • PP polypropylene
  • EVA ethylene vinyl acetate
  • the bag-shaped container containing the composition of the present invention can be further stored in a drug-impermeable outer bag, sealed, stored, and sold, and the bag-shaped container can be removed from the outer bag when used and used as is.
  • Specific examples of such containers include the containers described in WO 2021/186778.
  • a more preferred example of the resistance improvement method of the present invention is a method using a resistance improvement agent generating device as exemplified below.
  • the use of the resistance improvement agent generating device described below is preferable from the standpoint of reducing the burden on agricultural workers (preparation of each component, weighing effort, formulation process, contamination and injury of hands, etc.) and maintaining the reproducibility of the action and effect.
  • the resistance improvement method of the present invention is preferably a method using a resistance improver generator as exemplified below.
  • the active ingredient compound of the present invention in a separated state can be mixed with a liquid agent containing triethyl citrate in a simple operation to form a composition, whereby the active ingredient compound of the present invention is stabilized and released continuously into the atmosphere, thereby enabling the heat resistance and drought resistance of the plant to be continuously improved or improved over a long period of time.
  • a preferred embodiment of the tolerance improver generating device that can be used in the steps (1) and (2) of the tolerance improvement method of the present invention is a tolerance improver generating device (tolerance improver generating device (1) of the present invention), which is characterized in that a flexible container that may have one or more emission holes contains at least one unsaturated carbonyl compound (active ingredient compound of the present invention) (internal liquid) having 4 to 9 carbon atoms and no unsaturated bond at the end, which is at least one type selected from the group consisting of ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, and ⁇ , ⁇ -alkenone, and an absorbent material is placed to block the emission hole if the flexible container has an emission hole, or at the end if there is no emission hole, and a liquid agent
  • tolerance enhancer generating device (2) of the present invention contains a first breakable container containing an unsaturated carbonyl compound (active ingredient compound of the present invention) (internal liquid 1) having 4 to 9 carbon atoms and no unsaturated bond at the end, which is at least one selected from the group consisting of ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenone, and ⁇ , ⁇ -alkenone, in a flexible container that may have one or more emission holes, and an absorbent material is placed so as to block the emission hole if the flexible container has an emission hole, or at the end if there is no emission hole, and a second breakable container containing triethyl citrate (internal liquid 2) is placed in the flexible container outside the first breakable container
  • the flexible container may further contain a third fracturable container containing the co-agent and/or other additives (internal liquid 3) in addition to the first fracturable container containing the active ingredient compound of the present invention (internal liquid 1) and the second fracturable container containing triethyl citrate (internal liquid 2).
  • the tolerance enhancer generator (tolerance enhancer generator (2') of the present invention) may be characterized in that, instead of storing the internal liquid 1 and the internal liquid 2 in separate fracturable containers inside the flexible container, at least one fracturable container containing a pre-prepared composition containing the active ingredient compound of the present invention and triethyl citrate is stored inside the flexible container.
  • the device described in JP 2017-6100 A can also be used.
  • a tolerance enhancer generating device of the present invention includes a cylindrical flexible container with a sealed top and an open bottom, and at least one liquid (internal liquid) containing an unsaturated carbonyl compound having 4 to 9 carbon atoms and no unsaturated bond at the terminal, which is at least one selected from the group consisting of ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, ⁇ , ⁇ -alkenal, ⁇ , ⁇ -alkenone, and ⁇ , ⁇ -alkenone, which is inserted into the internal storage space of the flexible container.
  • the tolerance improver generating device (the tolerance improver generating device (3) of the present invention) includes a fracturable container, a mounting device attached to the bottom of the flexible container, and a permeable membrane attached between the mounting device and the flexible container, the mounting device having a side surface facing the inner surface of the flexible container and an upper surface facing the bottom of the flexible container, the mounting device having a through hole on the upper surface and a single or multiple voids on the side surface, and a liquid agent (external liquid) containing triethyl citrate is contained in the flexible container outside the fracturable container.
  • the tolerance improver generating device (3) of the present invention is capable of preventing the composition of the present invention from leaking out by having a mounting device attached to the bottom.
  • the fracturable container containing the internal liquid contained in the flexible container may be one or two or more.
  • tolerance enhancer generator (3) of the present invention is a tolerance enhancer generator (tolerance enhancer generator (4) of the present invention) characterized in that, in addition to a fracturable container (first fracturable container) containing the active ingredient compound (internal liquid 1) of the present invention, another fracturable container (second fracturable container) containing a liquid agent (internal liquid 2) containing triethyl citrate is contained in the flexible container outside the fracturable container, instead of containing triethyl citrate. Furthermore, another embodiment of the tolerance enhancer generator (4) of the present invention may contain yet another fracturable container (third fracturable container) containing a liquid agent (internal liquid 3) containing the co-agent and/or other additives.
  • the tolerance enhancer generator (tolerance enhancer generator (4') of the present invention) may be characterized in that, instead of storing the internal liquid 1 and the internal liquid 2 in separate fracturable containers in the internal storage space of the flexible container, at least one fracturable container containing a pre-prepared composition containing the active ingredient compound of the present invention and triethyl citrate is stored.
  • a holder having at least one opening can be further provided between the flexible container and the permeable membrane (hereinafter, sometimes referred to as "the resistance enhancer generator (5) of the present invention").
  • the resistance enhancer generator (5) of the present invention has a structure having a hole (opening) that allows the composition of the present invention to pass through while playing a role in protecting the permeable membrane so that the breakable container and its fragments do not directly touch and damage the permeable membrane during storage when the resistance enhancer generator (5) of the present invention is not used or is broken during use.
  • the material of such a holder is not particularly limited, but a resin selected from the group consisting of polypropylene, polyethylene, polyurethane, polyamide (e.g., nylon), and polyvinyl chloride can be preferably used.
  • the external liquid (liquid agent containing triethyl citrate) contained in the flexible container acts as a buffer, which has the advantage of preventing the fracturable container (glass ampoule) from cracking due to shaking during transportation (when not in use) of the resistance enhancer generators (1), (3), and (5).
  • the flexible container in the tolerance enhancer generating device of the present invention may be transparent, opaque, or colored.
  • the material of the flexible container is not particularly limited as long as it is a flexible material, and resin materials such as polypropylene, polyethylene, polyurethane, polyamide (e.g., nylon), and polyvinyl chloride can be preferably used.
  • a long and thin cylindrical container (stick-type container) is shown in Figures 1 to 3, but the shape is not limited to this.
  • the container may have one emission hole (or opening) as shown in Figures 1 to 3, or multiple holes may be provided on the container surface.
  • the active ingredient compound of the present invention is released into the atmosphere through the emission hole (or opening) or from the surface of the resin flexible container.
  • the fracturable container in the tolerance enhancer generating device of the present invention is preferably a glass container, particularly a glass ampoule.
  • a glass container particularly a glass ampoule.
  • a thin one that can be broken with finger pressure is used.
  • the thickness of such glass is particularly preferably 0.1 to 0.4 mm.
  • the absorbent material in the resistance enhancer generators (1), (2) and (2') of the present invention is a material made of natural or synthetic fiber or porous material, and has the function of temporarily absorbing the active ingredient and the like and the function of preventing glass fragments from escaping.
  • the absorbent material may be attached near the emission hole as shown in Figure 1, or may be attached by wrapping it around the breakable container (glass ampoule).
  • the permeable membrane in the tolerance enhancer generators (3), (4), (4') and (5) of the present invention means a membrane that allows the vaporized active ingredient to pass through, and the permeability can be adjusted by selecting a material that matches the characteristics of the active ingredient compound of the present invention.
  • the permeable membrane is preferably fixed to the outer periphery of the bottom of the generators (3), (4), (4') and (5) by thermal welding or ultrasonic welding.
  • the material of the permeable membrane is not particularly limited, but by using a thin film that is the same as the material of the flexible container, welding and fixing are ensured.
  • the mounting device in the resistance enhancer generating devices (3), (4), (4') and (5) of the present invention is attached so as to fit into the bottom surface of an elongated cylindrical flexible container with an open bottom.
  • the outer peripheral size of the mounting device corresponds to the inner diameter of the bottom of the flexible container.
  • the mounting device has a side surface facing the inner surface of the flexible container and an upper surface facing the bottom of the flexible container, with a through hole on the upper surface and one or more voids on the side surface.
  • the through hole and the voids provided in the mounting device connect the flexible container to the outside via a permeable membrane.
  • the active ingredient released from the breakable container (glass ampoule) containing the active ingredient compound (internal liquid) of the present invention is mixed with the liquid agent (external liquid) containing triethyl citrate in the flexible container, or the triethyl citrate released from the breakable container (glass ampoule) containing the liquid agent (internal liquid 2) containing triethyl citrate to form a composition, which accumulates inside the permeable membrane between the flexible container and the attachment.
  • This accumulated composition remains in the flexible container due to the permeable membrane, but is volatilized (released) into the atmosphere due to the permeability of the permeable membrane.
  • the material of the attachment is not particularly limited, but it is preferably the same as the material of the flexible container.
  • the tolerance-improving agent generating device of the present invention preferably has a hook for hanging it from a support of a cultivation facility (e.g., a vinyl greenhouse, etc.) or the top of a plant, or a specific hole (other than the aforementioned emission hole) for hanging it on the top of a plant.
  • a cultivation facility e.g., a vinyl greenhouse, etc.
  • a specific hole other than the aforementioned emission hole
  • the flexible container When using the tolerance enhancer generator of the present invention, the flexible container is bent with the force of fingers or the like, causing the breakable container (glass ampoule) inside to break, and the active ingredient compound of the present invention and the liquid agent containing triethyl citrate, which are in a separated state, are mixed together to form a composition, which passes through the absorbent material and is released (volatilized) into the atmosphere from the emission holes in the container or the surface of the flexible resin container.
  • the manufacturing method of the tolerance enhancer generating device of the present invention is not particularly limited, but preferably, for example, a small emission hole is provided at one or both ends of a cylindrical flexible container (length 20 mm to 200 mm, outer diameter 3 mm to 12 mm, wall thickness 0.2 mm to 3 mm). An absorbent material is filled inside the emission hole.
  • the breakable container is made of a glass ampule, has a long and narrow shape along the length of the container, and has a sharp heat-sealed opening.
  • the device can be manufactured by making the opening at the tip of the ampule narrower in order to fill and heat-seal the ampule with a liquid containing a volatile component such as the active ingredient compound of the present invention, and after adding the active ingredient, etc., the opening is instantly melted with heat and heat-sealed.
  • the quality and reproducibility of the action and effect of the tolerance enhancer of the present invention can be efficiently maintained without imposing a burden on agricultural workers (preparation of each component, the labor of weighing, formulation process, contamination and injury of hands, etc.).
  • the resistance enhancer generator of the present invention After the active ingredient compound of the present invention has evaporated, it is preferable to discard the resistance enhancer generator of the present invention and replace it with a new one. However, since the attachment devices of the resistance enhancer generators (3), (4), (4') and (5) of the present invention can be detached, it is also possible to discard only the residual liquid after the active ingredient compound of the present invention has evaporated and refill it with a separately prepared composition of the present invention and reuse it.
  • the compounds used in the following examples, comparative examples and test examples are 2-hexenal (trade name: LAL (trans-2-hexenal); manufactured by JNC Corporation), triethyl citrate (trade name: Citroflex 2 (registered trademark), manufactured by Morimura Shoji Co., Ltd.), 2,4,6-tri-tert-butyl-1,3,5-trioxane (trade name: Sansabri B (hereinafter sometimes abbreviated as "SSB”); manufactured by Ogawa Fragrance Co., Ltd.), Floralette (registered trademark) (diameter approximately 23 mm, thickness approximately 8 mm, weight 1.35 g) (manufactured by LETS ONE Corporation), biodegradable spherical cellulose (trade name: Viscopearl (registered trademark); manufactured by Rengo Co., Ltd.), olive oil (trade name: Extra virgin olive oil; manufactured by Garcia de la Cruz), and linseed oil (trade name : Nisshin linseed
  • Patent Document 2 WO 2016/031775
  • 2-hexenal was used as the active ingredient compound of the present invention to investigate the durability of the effect, and the presence or absence of the odor of 2-hexenal and its deterioration over time in the presence or absence of various additives were investigated.
  • sample preparation The methods for preparing the samples of the Examples and Comparative Examples used in the following Test Examples will be described below.
  • Example 1 In the generator shown in FIG. 1, a glass ampoule (2) containing 2-hexenal (0.85 g (1 mL)) as the internal liquid (3) and a flexible container (1) containing triethyl citrate (3.42 g (3 mL)) as the external liquid were placed inside the flexible container (1). The glass ampoule (2) was then broken by bending the container, and the container was then hung in a vinyl greenhouse and used in the following test examples.
  • Example 2 In the generating device of FIG. 2, a glass ampoule (9) containing 2-hexenal (0.85 g (1 mL)) as the internal liquid (10) and triethyl citrate (3.42 g (3 mL)) as the external liquid (8) were placed in the storage space (7) of the flexible container. The glass ampoule (9) was then broken by bending and then hung in a vinyl greenhouse for use in the following test examples.
  • Example 3 In the generator shown in FIG. 3, a glass ampoule (18) containing 2-hexenal (0.85 g (1 mL)) as the internal liquid (19) and triethyl citrate (3.42 g (3 mL)) as the external liquid (20) was placed inside the generator, which was then folded to break the glass ampoule (18), after which it was hung in a vinyl greenhouse and used in the test examples described below.
  • Example 4 In the generator of FIG. 3, a glass ampoule (18) containing 2-hexenal (0.85 g (1 mL)) as the internal liquid (19) and triethyl citrate (1.71 g (1.5 mL)) and PEG 400 (1.70 g (1.5 mL)) as the external liquid (20) was placed inside the generator. The glass ampoule (18) was then bent to break and was then hung in a vinyl greenhouse for use in the following test examples.
  • Example 5 2-Hexenal (0.5 g) and triethyl citrate (0.5 g) were impregnated into Floralet (registered trademark) (manufactured by LETS ONE Co., Ltd.) (1.35 g) (diameter about 23 mm, thickness about 8 mm), which was placed on a plate and left open for the following test example.
  • Floralet registered trademark
  • Example 6 2-Hexenal (0.5 g) and triethyl citrate (1.5 g) were impregnated into Floralet (registered trademark) (manufactured by LETS ONE Co., Ltd.) (1.35 g) (diameter about 23 mm, thickness about 8 mm), which was placed on a plate and left open for the following test example.
  • Floralet registered trademark
  • Example 7 2-Hexenal (1.0 g) and triethyl citrate (1.1 g) were impregnated into Viscopal (registered trademark) (manufactured by Rengo Co., Ltd.) (15 cc), and the resulting product was placed in an aluminum vapor-deposited laminate film bag (outer dimensions 100 mm x 100 mm) similar to FIG. 1 of WO 2021/186778. Both sides were cut (opening 3 cm) and used in the following test example.
  • the present invention provides a plant resistance enhancer that can continuously improve or enhance the heat resistance, drought resistance, etc. of plants for more than two months, and that can be used throughout one season (the summer period of more than two months) in agricultural fields without the need for frequent replacement, a resistance improvement method that uses the resistance enhancer, and an apparatus that generates the resistance enhancer simply and effectively.
  • the plant tolerance enhancer generating device described in the embodiment is an example to illustrate the gist of the present invention, and includes modifications and alterations that do not deviate from the gist of the present invention.

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Abstract

Le but de la présente invention est de fournir un agent améliorant la résistance pour renforcer ou améliorer la résistance à la chaleur et la résistance à la sécheresse de plantes de manière durable sur une longue durée. La présente invention concerne un agent améliorant la résistance qui est destiné à renforcer ou à améliorer la résistance à la chaleur et la résistance à la sécheresse de plantes de manière durable sur une durée d'au moins deux mois et contient : un composé carbonyle insaturé qui n'a aucune liaison insaturée terminale, a de 4 à 9 atomes de carbone et est au moins une substance choisie dans le groupe constitué des α,β-alkénals, α,β-alkénones, γ,δ-alkénals, γ,δ-alkénones, δ,ε-alkénals, δ,ε-alkénones, ε,ζ-alkénals et ε,ζ-alkénones ; et du citrate de triéthyle. La présente invention concerne également un appareil pour générer l'agent améliorant la résistance.
PCT/JP2023/034955 2022-09-27 2023-09-26 Agent améliorant la résistance de plantes ayant une action durable sur une longue durée Ceased WO2024071122A1 (fr)

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JP2022-153841 2022-09-27
JP2022153841A JP2024048020A (ja) 2022-09-27 2022-09-27 長期間持続可能な作用を有する植物の耐性向上剤

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005272436A (ja) * 2004-02-26 2005-10-06 Kyoto Univ 植物由来の天敵誘引成分
JP2007015723A (ja) * 2005-07-07 2007-01-25 Lumica Corp 揮発性物質発散具
WO2016031775A1 (fr) * 2014-08-25 2016-03-03 国立大学法人神戸大学 Agent améliorant la tolérance des plantes
JP2017006100A (ja) * 2015-06-26 2017-01-12 株式会社栄宝 薬剤の発散器具
JP2017055677A (ja) * 2015-09-14 2017-03-23 礼治 大島 害獣忌避具
JP2022117618A (ja) * 2021-02-01 2022-08-12 パナソニックホールディングス株式会社 発現制御化合物及び発現制御方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005272436A (ja) * 2004-02-26 2005-10-06 Kyoto Univ 植物由来の天敵誘引成分
JP2007015723A (ja) * 2005-07-07 2007-01-25 Lumica Corp 揮発性物質発散具
WO2016031775A1 (fr) * 2014-08-25 2016-03-03 国立大学法人神戸大学 Agent améliorant la tolérance des plantes
JP2017006100A (ja) * 2015-06-26 2017-01-12 株式会社栄宝 薬剤の発散器具
JP2017055677A (ja) * 2015-09-14 2017-03-23 礼治 大島 害獣忌避具
JP2022117618A (ja) * 2021-02-01 2022-08-12 パナソニックホールディングス株式会社 発現制御化合物及び発現制御方法

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