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WO2013098934A1 - Inhibiteur de croissance de bourgeons axillaires du tabac et procédé d'inhibition de la croissance de bourgeons axillaires du tabac - Google Patents

Inhibiteur de croissance de bourgeons axillaires du tabac et procédé d'inhibition de la croissance de bourgeons axillaires du tabac Download PDF

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Publication number
WO2013098934A1
WO2013098934A1 PCT/JP2011/080189 JP2011080189W WO2013098934A1 WO 2013098934 A1 WO2013098934 A1 WO 2013098934A1 JP 2011080189 W JP2011080189 W JP 2011080189W WO 2013098934 A1 WO2013098934 A1 WO 2013098934A1
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Prior art keywords
tobacco
parts
surfactant
axillary bud
bud growth
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Ceased
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PCT/JP2011/080189
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English (en)
Japanese (ja)
Inventor
元気 田中
計実 田中
剛 澁谷
英二 生田
小太郎 吉永
裕紀 山口
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SDS Biotech Corp
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SDS Biotech Corp
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Priority to PCT/JP2011/080189 priority Critical patent/WO2013098934A1/fr
Publication of WO2013098934A1 publication Critical patent/WO2013098934A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
    • A01N31/02—Acyclic compounds
    • 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
    • A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
    • A01N33/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds containing nitrogen-to-oxygen bonds
    • A01N33/18—Nitro compounds
    • 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
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/10—Aromatic or araliphatic carboxylic acids, or thio analogues thereof; Derivatives thereof

Definitions

  • the present invention relates to a tobacco bud inhibitor and a method for suppressing tobacco bud.
  • Tobacco bud inhibitors that have been popular since the 1950s include maleic hydrazide or its salt with an osmotic transfer action mechanism as an active ingredient. Since the concentration is as high as around 5000 ppm and the sustained efficacy is short, it has been a problem that a large amount of drug is required. Furthermore, since hydrazine, a degradation product of maleic hydrazide, exhibits carcinogenicity, its use is currently regulated.
  • contact-type tobacco bud inhibitors that are sprayed in contact with the trunk have been used.
  • the contact-type inhibitor include those having a saturated aliphatic alcohol as an active ingredient, those having a dinitroaniline-based chemical substance as an active ingredient, and those having chlortardimethyl as an active ingredient.
  • a bud inhibitor comprising a saturated fatty alcohol as an active ingredient has a high contact killing effect of buds.
  • an inhibitor containing a saturated fatty alcohol as an active ingredient lacks sustainability of medicinal effects and requires at least two drug sprays to prevent the growth of side buds at the later stage of growth.
  • the sprayed drug adheres to the leaves during use, it causes whitening and other phytotoxic effects and deterioration of the leaf quality.
  • these inhibitors drop and accumulate in the plant base, all the stem bases are necrotized and the plant body is killed.
  • Examples of the inhibitor containing a dinitroaniline-based chemical substance as an active ingredient include, for example, US Pat. Nos. 3,672,866 (Patent Document 1), 4,046,809 (Patent Document 2), and 4,123,250 (Patent Document). Document 3).
  • Inhibitors that contain dinitroaniline compounds as active ingredients contain certain organic solvents, which cause dehydration and necrosis of buds by contact of dinitroaniline chemicals with organic solvents. In addition, it absorbs the above-mentioned chemical substances from the bud buds or wounds after removing the buds, has the effect of inhibiting cell division and stopping the growth of the shoots, and is highly effective in preventing the generation of shoots and elongation. .
  • inhibitors containing dinitroaniline-based chemicals as active ingredients are deformed young leaves in the upper nodes immediately after spraying, insufficient development, mesophyll necrosis, broken petioles of middle and upper leaves, rooting disorders of adventitious roots,
  • problems such as inducing diseases such as cavernous disease, mycorrhizal disease and gray mold disease from wounds caused by phytotoxicity at the petiole base, and adversely affecting leaf tobacco yield and quality.
  • Chlortal dimethyl like dinitroaniline chemicals, has the effect of inhibiting cell division and stopping the growth of side buds, and has a high effect on the generation of side buds and elongation.
  • the contact-type bud inhibitor currently used in tobacco cultivation still has many problems to be solved from the standpoint of sustaining medicinal effects and occurrence of phytotoxicity. Therefore, a contact-type tobacco bud inhibitor that has a low drug dose, is excellent in sustained drug efficacy, does not induce phytotoxicity, and can improve labor productivity has been desired.
  • Patent Document 6 discloses that wetting is achieved by adding a polyalkyleneoxy compound and a cationic surfactant, an anionic surfactant or an amphoteric surfactant to an amic acid herbicide. Technology for improving the herbicidal effect and improving the herbicidal effect is disclosed.
  • Patent Document 7 the diffusibility on the water surface is improved by adding a silicone surfactant or a fluorine surfactant and a thickener to the herbicidal active compound. Techniques related to paddy herbicides are disclosed.
  • An object of the present invention is to provide a tobacco bud inhibitor that exhibits a high bud suppression effect at a low dosage, is excellent in medicinal sustainability, does not induce phytotoxicity, and can improve labor productivity.
  • the inventors of the present invention have examined the surface tension of a treatment liquid that applies a contact-type tobacco bud inhibitor to tobacco.
  • the conventional contact-type tobacco tobacco bud inhibitor has a surface tension of 27 to 40 mN / m of the treatment liquid applied to tobacco seedlings, but contains a certain surfactant together with the active ingredient compound.
  • a contact-type tobacco bud inhibitor whose surface tension of the treatment liquid applied to tobacco seedlings is 25 mN / m or less is excellent in wettability and stickiness, and generates and grows tobacco buds at low doses over a long period of time. It was found that there was no phytotoxicity to the control and tobacco stems and leaves, and the present invention was completed.
  • the present invention relates to the following tobacco tobacco bud inhibitor and tobacco tobacco bud suppressing method.
  • a contact-type tobacco tobacco bud inhibitor comprising an active ingredient compound and a surfactant in an amount such that the surface tension of a treatment liquid sprayed on tobacco seedlings is 25 mN / m or less.
  • the active ingredient compound is chlortardimethyl, butorualine, pendimethalin or decyl alcohol.
  • the surfactant is at least one selected from silicone surfactants and fluorine surfactants. 4).
  • the contact-type tobacco bud inhibitor according to any one of the preceding items 1 to 3 is applied to tobacco seedlings after adjusting the surface tension of the treatment liquid sprayed on the tobacco seedlings to 25 mN / m or less. Tobacco bud suppression method.
  • the tobacco bud inhibitor of the present invention is excellent in wettability and stickiness, has a high bud suppression effect at a low dose, and is excellent in medicinal sustainability. Moreover, no phytotoxicity is observed in the foliage and roots. Therefore, it is possible to increase yield and quality in tobacco cultivation, and to improve labor productivity by omitting the side bud removal work.
  • the tobacco seedling inhibitor treatment solution of the present invention to be applied to tobacco seedlings, ie, a stock solution or a solution diluted about 10 to 4000 times with water. Can be sprayed in contact with the trunk of tobacco seedlings, or sprayed directly on the side where the buds are generated.
  • the tobacco bud inhibitor of the present invention has a surface tension at 20 ° C. of 25 mN / m or less, preferably 18 to 23 mN / m, of a treatment solution applied to tobacco seedlings diluted about 10 to 4000 times with a stock solution or water. Apply to tobacco seedlings.
  • the active ingredient compound used in the tobacco bud inhibitor of the present invention is not particularly limited as long as it is effective in principle as a contact-type tobacco bud inhibitor.
  • Examples thereof include saturated aliphatic alcohols such as octanol, nonanol, decyl alcohol, undecanol, and dodecanol, dinitroaniline compounds such as pendimethalin and butorarin, and chlortar dimethyl.
  • the active ingredient compound is particularly preferably chlortardimethyl, butorarin, pendimethalin or decyl alcohol.
  • the treatment concentration of the active ingredient compound used in the tobacco bud inhibitor of the present invention to tobacco can be selected as appropriate, but it may usually be 0.0001 to 3% by mass.
  • the active ingredient compounds used in the tobacco bud inhibitor of the present invention may be used in combination of two or more.
  • the mixing ratio in this case can be arbitrarily selected.
  • the surfactant used in the tobacco bud inhibitor of the present invention is not particularly limited, and various anionic surfactants, cationic surfactants, and amphoteric surfactants that have been used in the field of agrochemical formulations. Agents, nonionic surfactants, other surfactants, and the like.
  • anionic surfactant examples include alkyl sulfonic acid, alpha olefin sulfonic acid, lignin sulfonic acid, alkyl benzene sulfonic acid, alkyl naphthalene sulfonic acid, naphthalene sulfonic acid formalin condensate, alkyl naphthalene sulfonic acid formalin condensate, dialkyl sulfo succinate.
  • Sulfonate surfactants and their salts polyoxyethylene alkyl ether sulfates, polyoxyethylene alkyl allyl ether sulfates, polyoxyethylene styryl phenyl ether sulfates, polyoxyethylene phenyl alkyl allyl ether sulfates, polyoxyalkylene glycols Sulfate, higher alcohol sulfate, fatty acid ester sulfate, phenylphenol (EO Sulfate surfactants such as sulfates and salts thereof, polyoxyethylene alkyl ether phosphate, polyoxyethylene alkyl allyl phosphate, phenylphenol (EO) phosphate ester salt, polyoxyethylene phenyl alkyl allyl ether phosphate, higher alcohol phosphate And phosphate surfactants such as polyoxyethylene tribenzylphenol phosphate and salts thereof, higher fatty acid salts, polycarboxylic acid type surfactants and salts thereof, and
  • cationic surfactant examples include alkylamine salts, quaternary ammonium salts, alkylpyridinium salts, amine oxides, and the like.
  • amphoteric surfactants include aliphatic alkyl betaines and alkyl ammonium salts.
  • Nonionic surfactants include, for example, polyoxyethylene alkyl allyl ether, polyoxyethylene styryl phenyl ether, polyoxyalkylene allyl phenyl ether, polyoxyethylene alkyl ether, polyoxyethylene phenyl alkyl allyl ether, polyoxyethylene nonyl Phenyl ether, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene glycol, polyoxyethylene alkyl ester, polyoxyethylene polyoxypropylene block copolymer, polyoxyalkylene glycol, alkyne diol (acetylene glycol, alkynylene polyoxyethylene diol, sorbitan fatty acid Examples thereof include esters and alkylaryl ether formalin condensates.
  • surfactants examples include silicone surfactants and fluorine surfactants.
  • the surfactant used in the tobacco bud inhibitor of the present invention is particularly preferably a silicone surfactant or a fluorosurfactant.
  • the silicone-based surfactant used in the present invention is a surfactant containing a silicon atom in the molecule, and polyethylene oxide, polypropylene oxide, or a methyl group at the terminal or side chain of methyl or dimethylpolysiloxane. Both are introduced, and in some cases, a nonionic surfactant mainly composed of polyether-modified silicone oil in which a terminal hydroxyl group is etherified or esterified with an alkyl group.
  • POE / methyl polysiloxane copolymer silicone chain branched POE / methyl polysiloxane copolymer, cross-linked POE / methyl polysiloxane copolymer, alkyl / POE co-modified methyl polysiloxane copolymer, silicone chain branched Type alkyl / POE co-modified methyl polysiloxane copolymer, long-chain alkyl-containing polyoxyalkylene-modified organopolysiloxane, polyoxyalkylene-modified organopolysiloxane, etc., and Silwet series (Momotive Performance Materials Japan) ) And silicone oil KF series (manufactured by Shin-Etsu Chemical Co., Ltd.).
  • the fluorosurfactant used in the present invention is a surfactant containing a fluorine atom in the molecule, and a part or all of the hydrogen atoms of a normal anion, nonion, cation or zwitterionic surfactant are fluorinated.
  • perfluoroalkyl sulfonic acid and its salt perfluoroalkyl carboxylic acid and its salt, perfluoroalkyl ethylene oxide adduct, one having perfluoroalkyl sulfonic acid amide structure, perfluoroalkylsulfonamidopropyltrimethylammonium salt, Fluoroalkenyloxybenzenesulfonic acid and its salt, perfluoroalkenyloxybenzenephosphonic acid and its salt, perfluoroalkenyloxybenzenecarboxylic acid and its salt, perfluoroalkenyloxybenzenedicarboxylic acid and its salt, perfluoroalkenylethylene oxide adduct Unidyne series (Daikin Kogyo), Megafuck series (Dainippon Ink & Chemicals), Phgentent series (Neos), Freon series (produced by Asahi Glass Co., Ltd.), are commercially available under the trade
  • the content of the surfactant used in the tobacco bud inhibitor of the present invention can be appropriately selected, but is usually 0.0001 to 99% by mass, more preferably 0.01 to 40% by mass.
  • the surfactant used in the tobacco bud inhibitor of the present invention may be used as a mixture of two or more, and the ratio in the case of mixing can be freely selected.
  • the surfactant may be added as it is when producing the tobacco bud inhibitor of the present invention, or may be added in advance dissolved or dispersed in water.
  • the tobacco bud suppressor of the present invention is further added with a bulking agent, a colorant, a binder, a thickener, an antifreezing agent, an ultraviolet absorber, etc., if necessary, and an oil agent, an emulsion, a solubilizer, You may formulate and apply to a wettable powder, a suspension agent, a flowable agent, a powder agent, etc.
  • the bulking agent examples include, but are not limited to, plant powders such as soybean powder, tobacco powder, wheat flour, and wood powder; clay minerals such as clay, bentonite, acid clay, and radiolite; talc powder, Talc such as wax stone powder; mineral powder such as diatomaceous earth and mica powder; baking soda, calcium carbonate, alumina, activated carbon and the like.
  • the colorant examples include, but are not limited to, inorganic pigments such as iron oxide, titanium oxide, and Prussian blue; organic dyes such as alizarin dyes, azo dyes, or metal phthalocyanine dyes; iron, manganese, Examples include trace elements such as boron, copper, cobalt, molybdenum, or zinc.
  • inorganic pigments such as iron oxide, titanium oxide, and Prussian blue
  • organic dyes such as alizarin dyes, azo dyes, or metal phthalocyanine dyes
  • iron, manganese examples include trace elements such as boron, copper, cobalt, molybdenum, or zinc.
  • the binder is not particularly limited, and examples thereof include sodium carboxymethyl cellulose, starch, sodium lignin sulfonate, and dextrin polyvinyl alcohol.
  • the thickener is not particularly limited.
  • polycarboxylic acid polymer compound polyvinyl pyrrolidone, polyvinyl alcohol, calcium lignin sulfonate, sodium polyacrylate, gum arabic, sodium alginate, mannitol, sorbitol. , Bentonite-based minerals, polyacrylic acid and its derivatives, white carbon, natural sugar derivatives (eg, xanthan gum, guar gum, etc.), and the like.
  • the antifreezing agent is not particularly limited, and examples thereof include glycerin, ethylene glycol, and propylene glycol. Although it does not specifically limit as a ultraviolet absorber, For example, substituted benzophenone, diphenyl acrylonitrile ester, or cinnamic acid ester etc. are mentioned.
  • the tobacco (Nicotiana tabacum) cultivars whose generation and elongation of tobacco buds are suppressed by the tobacco bud inhibitor of the present invention include native varieties (Domestic) represented by Matsukawa, Daruma, Awa, Hakutoshu, and coker. 319, Virginia 115, MC1, No. 2, Okinawa No. 2, Bright Yellow No. 4, Tsukuba No. 1, Tsukuba No. 2, Yellow-type (Flue-cured), Burley 21, Kitakami No. 1, Michinoku No. 1, Michinoku Examples include Burley species represented by No. 2.
  • the amount of the tobacco bud inhibitor of the present invention used varies depending on the variety, method and time of use, but the amount used per strain is preferably 5 to 40 ml, more preferably 15 to 30 ml in the treatment solution.
  • the tobacco tree is strong even when the first application is performed before the tobacco flowering or before the cardiac arrest, or even after the first application after the cardiac arrest. In this case, it is effective to perform the second spraying in the same manner as the first two weeks after the first application.
  • insecticides In order to further expand the range of action, other insecticides, fungicides, plant growth regulators, fertilizers, and the like can be mixed.
  • Example 1 3 parts of silicone surfactant polyoxyalkylene ether modified silicone oil (trade name: KF-643, manufactured by Shin-Etsu Chemical Co., Ltd.) is added to 10 parts of chlortardimethyl (SDS Biotech), and Solpol 7290P (trade name: manufactured by Toho Chemical Co., Ltd.) 3 parts, propylene glycol 11 parts, New Calgen FS-1 (trade name: manufactured by Takemoto Yushi), 1 part, Antihome E-20 (trade name: manufactured by Kao) 0.2 parts, 1.5 parts of Kunipia F (trade name: manufactured by Kunipia) and 70.3 parts of water were mixed well, and wet milled until the particle size became 5 microns or less to obtain a flowable agent.
  • silicone surfactant polyoxyalkylene ether modified silicone oil trade name: KF-643, manufactured by Shin-Etsu Chemical Co., Ltd.
  • Solpol 7290P trade name: manufactured by Toho Chemical Co., Ltd.
  • propylene glycol 11 parts
  • Example 2 To 10 parts of chlorotardimethyl (SDS Biotech), 3 parts of fluorosurfactant perfluoroalkenyloxybenzene sulfonate (trade name: Footage 100, manufactured by Neos) was added. 7290P (trade name: manufactured by Toho Chemical Co., Ltd.) 3 parts, propylene glycol 11 parts, New Calgen FS-1 (trade name: manufactured by Takemoto Yushi), 1 part, Antihome E-20 (trade name: manufactured by Kao) 0.2 parts, 1.5 parts of Kunipia F (trade name: manufactured by Kunipia) and 70.3 parts of water were mixed well, and wet milled until the particle size became 5 microns or less to obtain a flowable agent.
  • Example 3 After dissolving 10 parts of chlorotardimethyl (SDS Biotech) in 40 parts of N-methylpyrrolidone, polyoxyalkylene ether modified silicone oil of silicone surfactant (trade name: KF-643, Shin-Etsu Chemical Co., Ltd.) 3 parts), 25 parts of Solpol 3880H (manufactured by Toho Chemical Co., Ltd.) and 22 parts of Hysol SAS296 (trade name: manufactured by Nippon Petrochemical Co., Ltd.) were added and stirred to dissolve uniformly.
  • SDS Biotech chlorotardimethyl
  • polyoxyalkylene ether modified silicone oil of silicone surfactant trade name: KF-643, Shin-Etsu Chemical Co., Ltd.
  • Solpol 3880H manufactured by Toho Chemical Co., Ltd.
  • Hysol SAS296 trade name: manufactured by Nippon Petrochemical Co., Ltd.
  • Example 4 After dissolving 10 parts of chlorotardimethyl (SDS Biotech) in 40 parts of N-methylpyrrolidone, the fluorosurfactant perfluoroalkenyloxybenzenesulfonate (trade name: Footage 100, manufactured by Neos) 3 parts, 25 parts of Solpol 3880H (manufactured by Toho Chemical Co., Ltd.) and 22 parts of Hysol SAS296 (trade name: manufactured by Nippon Petrochemical Co., Ltd.) were stirred and dissolved uniformly to obtain an emulsion.
  • SDS Biotech chlorotardimethyl
  • N-methylpyrrolidone the fluorosurfactant perfluoroalkenyloxybenzenesulfonate (trade name: Footage 100, manufactured by Neos) 3 parts, 25 parts of Solpol 3880H (manufactured by Toho Chemical Co., Ltd.) and 22 parts of Hysol SAS296 (trade name: manufactured by Nippon Petrochemical Co., Ltd.)
  • Example 5 After dissolving 10 parts of decyl alcohol (manufactured by SDS Biotech) in 40 parts of N-methylpyrrolidone, a silicone surfactant polyoxyalkylene ether modified silicone oil (trade name: KF-643, manufactured by Shin-Etsu Chemical Co., Ltd.) 3 parts, 25 parts of Solpol 3880H (manufactured by Toho Chemical Co., Ltd.) and 22 parts of Hysol SAS296 (trade name: manufactured by Nippon Petrochemical Co., Ltd.) were stirred and dissolved uniformly to obtain an emulsion.
  • a silicone surfactant polyoxyalkylene ether modified silicone oil trade name: KF-643, manufactured by Shin-Etsu Chemical Co., Ltd.
  • Solpol 3880H manufactured by Toho Chemical Co., Ltd.
  • Hysol SAS296 trade name: manufactured by Nippon Petrochemical Co., Ltd.
  • Example 6 After dissolving 10 parts of decyl alcohol (manufactured by SDS Biotech) in 40 parts of N-methylpyrrolidone, a fluorosurfactant perfluoroalkenyloxybenzenesulfonate (trade name: Footage 100, manufactured by Neos) 3 parts, 25 parts of Solpol 3880H (manufactured by Toho Chemical Co., Ltd.) and 22 parts of Hysol SAS296 (trade name: Nippon Petrochemical Co., Ltd.) were added and stirred to dissolve uniformly to obtain an emulsion.
  • decyl alcohol manufactured by SDS Biotech
  • N-methylpyrrolidone a fluorosurfactant perfluoroalkenyloxybenzenesulfonate
  • Solpol 3880H manufactured by Toho Chemical Co., Ltd.
  • Hysol SAS296 trade name: Nippon Petrochemical Co., Ltd.
  • Example 7 After dissolving 10 parts of Butoralin (made by SDS Biotech) in 40 parts of N-methylpyrrolidone, a silicone surfactant polyoxyalkylene ether modified silicone oil (trade name: KF-643, manufactured by Shin-Etsu Chemical Co., Ltd.) 3 parts, 25 parts of Solpol 3880H (manufactured by Toho Chemical Co., Ltd.) and 22 parts of Hysol SAS296 (trade name: Nippon Petrochemical Co., Ltd.) were added and stirred to dissolve uniformly to obtain an emulsion.
  • Butoralin made by SDS Biotech
  • N-methylpyrrolidone a silicone surfactant polyoxyalkylene ether modified silicone oil
  • Example 8 After dissolving 10 parts of butoralin (made by SDS Biotech) in 40 parts of N-methylpyrrolidone, the fluorosurfactant perfluoroalkenyloxybenzenesulfonate (trade name: Footage 100, manufactured by Neos) 3 Part, 25 parts of Solpol 3880H (manufactured by Toho Chemical Co., Ltd.) and 22 parts of Hysol SAS296 (trade name: manufactured by Nippon Petrochemical Co., Ltd.) were stirred and dissolved uniformly to obtain an emulsion.
  • the fluorosurfactant perfluoroalkenyloxybenzenesulfonate trade name: Footage 100, manufactured by Neos
  • Solpol 3880H manufactured by Toho Chemical Co., Ltd.
  • Hysol SAS296 trade name: manufactured by Nippon Petrochemical Co., Ltd.
  • Example 9 After dissolving 10 parts of pendimethalin (made by SDS Biotech) in 40 parts of N-methylpyrrolidone, polyoxyalkylene ether modified silicone oil of silicone surfactant (trade name: KF-643, Shin-Etsu Chemical Co., Ltd.) 3 parts), 25 parts of Solpol 3880H (manufactured by Toho Chemical Co., Ltd.) and 22 parts of Hysol SAS296 (trade name: Nippon Petrochemical) were added and stirred to dissolve uniformly.
  • Example 10 After dissolving 10 parts of pendimethalin (made by SDS Biotech) in 40 parts of N-methylpyrrolidone, perfluoroalkenyloxybenzenesulfonate salt (trade name: Footage 100, manufactured by Neos) 3 parts, 25 parts of Solpol 3880H (manufactured by Toho Chemical Co., Ltd.) and 22 parts of Hysol SAS296 (trade name: manufactured by Nippon Petrochemical Co., Ltd.) were stirred and dissolved uniformly to obtain an emulsion.
  • pendimethalin made by SDS Biotech
  • N-methylpyrrolidone, perfluoroalkenyloxybenzenesulfonate salt trade name: Footage 100, manufactured by Neos
  • Solpol 3880H manufactured by Toho Chemical Co., Ltd.
  • Hysol SAS296 trade name: manufactured by Nippon Petrochemical Co., Ltd.
  • Comparative agent 1 Chlortal dimethyl (SDS Biotech) 10 parts, Solpol 7290P (trade name: Toho Chemical) 3 parts, Propylene glycol 11 parts, New Calgen FS-1 (trade name: Takemoto Yushi) 1 part , Antihome E-20 (trade name: manufactured by Kao) 0.2 parts, Kunipia F (trade name: manufactured by Kunipia) 1.5 parts, water 73.3 parts well mixed until the particle size is 5 microns or less A wettable powder was obtained by wet pulverization.
  • Comparative agent 3 10 parts of decyl alcohol (made by SDS Biotech) are dissolved in 43 parts of N-methylpyrrolidone, then 25 parts of Solpol 3880H (manufactured by Toho Chemical Industries) and 22 parts of Hysol SAS296 (product name: Nippon Petrochemical) was added, stirred and dissolved uniformly to obtain an emulsion.
  • Comparative agent 4 After dissolving 10 parts of Butoralin (made by SDS Biotech) in 43 parts of N-methylpyrrolidone, 25 parts of Solpol 3880H (manufactured by Toho Chemical Co., Ltd.) and 22 parts of Hysol SAS296 (product name: Nippon Petrochemical Co., Ltd.) The mixture was added, stirred and dissolved uniformly to obtain an emulsion.
  • Comparative Example 5 After dissolving 10 parts of pendimethalin (manufactured by SDS Biotech) in 43 parts of N-methylpyrrolidone, 25 parts of Solpol 3880H (manufactured by Toho Chemical Co., Ltd.), Hysol SAS296 (trade name: Nippon Petrochemical Co., Ltd.) 22 Part was added, stirred and dissolved uniformly to obtain an emulsion.
  • the surface tension of the treatment liquid was measured and evaluated. The results are shown in Table 1.
  • the surface tension was measured using a well-helmy surface tensiometer, for example, a CBVP-Z type automatic surface tensiometer manufactured by Kyowa Interface Science Co., Ltd.
  • Test example Next, test examples conducted for confirming the effect of the tobacco bud inhibitor according to the invention will be described.
  • the seedling tobacco seedling of Tsukuba No. 1 (yellow seed) was transplanted to a 1 / 5000a Wagner pot filled with Kureha Horticulture soil. The plants were grown in a greenhouse, and the flower shafts were removed (prevented) at the time of the tobacco flowering cycle.
  • Each of the tobacco bud inhibitor preparations obtained in Examples 1 to 10 and Comparative Examples 1 to 5 was diluted with water to a predetermined concentration and a contact bud inhibitor spraying device equipped with a spot nozzle. 20 ml of each inhibitor was sprayed with a water dilution solution. Tobacco was planted in 1 pot per plant, and repeated twice.
  • the bud suppression state after 28 days and 42 days after spraying was investigated together with the untreated area where spraying was not performed, and the bud suppression rate was calculated by the following formula.
  • the presence or absence of phytotoxicity was evaluated according to the following four stages according to the degree of growth inhibition, gangrene, discoloration, malformation, etc. of the leaves (upper 1 to 4 leaves). Large: Severe phytotoxicity was observed Medium: Obvious phytotoxicity was observed Small: Slight phytotoxicity was observed None: No phytotoxicity was observed Table 1 shows the shoot suppression rate and the presence or absence of phytotoxicity Show.
  • the surface tension of each of the tobacco bud inhibitor treatment liquids of the present invention was 25 mN / m or less (Examples 1 to 10).
  • the surface tensions of the treatment solutions of the control agents (Comparative Examples 1 to 5) were all higher than 25 mN /.
  • the tobacco bud inhibitor of the present invention showed a high inhibition rate as compared with the control agent not only on the 28th day after the treatment but also on the 42nd day after the treatment, and showed an excellent sustained drug effect. Furthermore, no phytotoxicity was observed in any tobacco bud inhibitor of the present invention (Examples 1 to 10).
  • the tobacco bud inhibitor of the present invention has a higher bud inhibitory effect and also has excellent medicinal sustainability compared to existing tobacco bud inhibitors. Moreover, it was proved that the tobacco bud inhibitor of the present invention is excellent in that it does not cause phytotoxicity.

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  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

La présente invention concerne un inhibiteur de type à contact de croissance des bourgeons axillaires du tabac comprenant un composé d'ingrédient actif et un tensioactif, ledit tensioactif étant utilisé en une quantité telle qu'il permet de conférer une tension de surface ne dépassant pas 25 mN/m à une solution de traitement à appliquer sur les plants de tabac. L'invention concerne également un procédé d'inhibition de la croissance de bourgeons axillaires du tabac comprenant les étapes consistant à appliquer l'inhibiteur de type à contact de la croissance des bourgeons axillaires du tabac sur les plants de tabac, de telle manière contrôlée que la tension de surface d'une solution de traitement à appliquer sur les plants de tabac ne dépasse pas 25 mN/m. Comme composé d'ingrédient actif, le chlorthal-diméthyle, la butraline, la pendiméthaline ou l'alcool décylique sont préférés. Comme tensioactif, un tensioactif à base de silicone ou un tensioactif à base de fluor sont préférés. L'inhibiteur de type à contact de croissance des bourgeons axillaires du tabac selon la présente invention présente un effet élevé d'inhibition de la croissance des bourgeons axillaires à une faible concentration, une excellente efficacité prolongée du médicament, n'induit ni lésion ni maladie chimique et peut contribuer à améliorer la productivité du travail.
PCT/JP2011/080189 2011-12-27 2011-12-27 Inhibiteur de croissance de bourgeons axillaires du tabac et procédé d'inhibition de la croissance de bourgeons axillaires du tabac Ceased WO2013098934A1 (fr)

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PCT/JP2011/080189 WO2013098934A1 (fr) 2011-12-27 2011-12-27 Inhibiteur de croissance de bourgeons axillaires du tabac et procédé d'inhibition de la croissance de bourgeons axillaires du tabac

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PCT/JP2011/080189 WO2013098934A1 (fr) 2011-12-27 2011-12-27 Inhibiteur de croissance de bourgeons axillaires du tabac et procédé d'inhibition de la croissance de bourgeons axillaires du tabac

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Cited By (6)

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CN105685073A (zh) * 2016-03-18 2016-06-22 贵州省烟草公司铜仁市公司 尿素浆烟草抑芽剂及其施用方法
CN105685066A (zh) * 2016-03-29 2016-06-22 石棉地生中草药开发有限公司 一种重楼浸种药剂及其制备方法
JPWO2014192059A1 (ja) * 2013-05-27 2017-02-23 株式会社エス・ディー・エス バイオテック たばこわき芽抑制剤及びたばこわき芽抑制方法
US20210307323A1 (en) * 2020-03-26 2021-10-07 Drexel Chemical Company Tobacco axillary bud growth inhibitors and methods of inhibiting growth of tobacco axillary buds
CN114747572A (zh) * 2022-04-15 2022-07-15 江苏中烟工业有限责任公司 一种抑芽凝胶、抑芽伏贴及其制备方法和应用
JP2023525723A (ja) * 2020-05-07 2023-06-19 モメンティブ パフォーマンス マテリアルズ インコーポレイテッド Ｏ／ｗエマルジョンおよびそれを反転したｗ／ｏエマルジョンならびにそれらを含むパーソナルケア組成物

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JPWO2014192059A1 (ja) * 2013-05-27 2017-02-23 株式会社エス・ディー・エス バイオテック たばこわき芽抑制剤及びたばこわき芽抑制方法
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CN114747572B (zh) * 2022-04-15 2023-08-01 江苏中烟工业有限责任公司 一种抑芽凝胶、抑芽伏贴及其制备方法和应用

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