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EP2148566A1 - Appat pour limaces - Google Patents

Appat pour limaces

Info

Publication number
EP2148566A1
EP2148566A1 EP08758427A EP08758427A EP2148566A1 EP 2148566 A1 EP2148566 A1 EP 2148566A1 EP 08758427 A EP08758427 A EP 08758427A EP 08758427 A EP08758427 A EP 08758427A EP 2148566 A1 EP2148566 A1 EP 2148566A1
Authority
EP
European Patent Office
Prior art keywords
optionally
snails
preparation
formula
yeast
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08758427A
Other languages
German (de)
English (en)
Inventor
Wolfgang Wirth
Michael Kilian
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer CropScience AG
Original Assignee
Bayer CropScience AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer CropScience AG filed Critical Bayer CropScience AG
Priority to EP08758427A priority Critical patent/EP2148566A1/fr
Priority to EP10168715A priority patent/EP2245928A2/fr
Publication of EP2148566A1 publication Critical patent/EP2148566A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • A01N25/002—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 containing a foodstuff as carrier or diluent, i.e. baits
    • A01N25/008—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 containing a foodstuff as carrier or diluent, i.e. baits molluscicidal

Definitions

  • the present invention relates to the improvement of the action of snail baits, to corresponding snail baits, to processes for their production and to their use for controlling snails.
  • Contain components that release volatile compounds so that the snails from the crop such. Vegetables or salad are distracted and lured to the bait.
  • the other formulation components of the feedingstuffs must be such that the snails eat the largest possible amount of the bait so that they receive a lethal dose of the corresponding active ingredient.
  • most snail baits are formulated based on cereal flocs that have the property of being extruded dry or wet.
  • more or less bran or coating components may also be added to the flour.
  • cereal flours are e.g. Common wheat or durum wheat flour in question (EP 1 107 666).
  • JP S63-162608 discloses baits containing wheat flour and mashed potatoes.
  • JP H09-110603 discloses mixtures of mashed potatoes and rice bran as bait component.
  • EP 0 400 863 describes impregnated potato chips. Lange & MacLeod (Journal of Economic Entomology, 1941, 34, 321-322) describe boiled potatoes as part of snail baits. None of these publications discloses the use of
  • Yeast in combination with mashed potatoes to provide particularly attractive snail baits Yeast in combination with mashed potatoes to provide particularly attractive snail baits.
  • compositions containing a potato preparation and yeast are especially eaten and eaten by snails, thereby increasing the molluscicidal activity.
  • the subject of the present invention is therefore the use of a combination of potato preparation and yeast to improve the attractiveness of molluscicidal compositions for snails.
  • the present invention also provides the use of a combination of potato preparation and yeast to increase the attractiveness of molluscicidal compositions for snails.
  • the present invention furthermore relates to molluscicidal compositions (hereinafter also referred to as snail baits) which contain a potato preparation and yeast, as well as processes for their preparation and their use for controlling snails.
  • molluscicidal compositions hereinafter also referred to as snail baits
  • a potato preparation which can be used according to the invention is obtained from potatoes.
  • the potato preparation by the comminution and
  • the potato preparation is characterized by the
  • Mincing and drying raw (peeled or unshelled, preferably peeled) potatoes are known, e.g. from the food industry for making mashed potatoes.
  • a preferred potato preparation according to the invention is characterized by a water content of less than 10% by weight.
  • it may contain other additives such as antioxidants or emulsifiers, but only up to a total content of 5% by weight, which additives have no significant effect on the improvement in attractiveness achieved by the potato preparation. They are only for better handling of the
  • the active ingredient may be, for example, methiocarb, metaldehyde, a molluscicidal metal salt or a molluscicidal metal salt chelate.
  • the combination of potato preparation and yeast is preferably used to improve the attractiveness of snail baits containing as active ingredient at least one iron salt and / or at least one iron salt chelate.
  • chelating agents are all Suitable classes of substances commonly used, for example phosphonic acids, ethylenediaminetetraacetate (EDTA) and its derivatives, pectins and their derivatives, iminodisuccinate, iminodifumarate, iminoditartrate, iminodimaleate, ethylenediamine difumarate, ethylene-diaminedi-maleate, iminodimaleate, ethylenediamine dinitrate, ethylenediamine dimaleate, ethylenediamine disuccinate etc.
  • phosphonic acids ethylenediaminetetraacetate (EDTA) and its derivatives, pectins and their derivatives, iminodisuccinate, iminodifumarate, iminoditartrate, iminodimale
  • Halogen C 1 -C 9 -alkylamine or di- (C 1 -C 8 ) -alkylamine and which is optionally interrupted by 1-6 heteroatoms from the series N, O, S, P, where heteroatoms are not directly linked to one another;
  • the worm baits according to the invention contain further components, for example:
  • the worm baits according to the invention can be produced by generally known methods.
  • the snail baits particularly preferred according to the invention can be prepared, for example, by
  • the baits according to the invention in the control of snails show a significantly better effectiveness than the known baits for the same application.
  • the worm baits according to the invention are characterized by the constituents listed.
  • the molluscicidal components contained in the snail baits according to the invention are either
  • R 1 , R 2 , R 3 , R 4 and R 5 are each independently hydrogen, C 1 -C 4 -alkyl, CO 2 H, CH 2 CO 2 H, PO 3 H 2 , OH, halogen, CN, NH 2 stand and m is the numbers O, 1, 2, 3, 4 or 5.
  • R 1 , R 2 , R 3 , R 4 and R 5 are each, independently of one another, each hydrogen, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, PO 3 H 2 , CO 2 H, CH 2 CO 2 H, OH.
  • m is preferably the numbers O, 1 or 2.
  • A is C ö alkyl, Ci-C 6 -alkylamino, Ci-C 6 alkoxy is, where two hetero atoms are not linked directly to one another,
  • B is H, OH, CH 2 PO 3 H 2, CN, halogen, NH 2, C r C 8 alkylamine or C 2 -C 6 dialkylamine group,
  • n stands for the numbers 0, 1, 2, 3, 4.
  • A preferably stands for the following groupings:
  • B is preferably H, OH or CH 2 PO 3 H 2 .
  • n is preferably the numbers O, 1 or 2
  • Suitable salts of the phosphonic acid esters are preferably their ammonium, lithium, sodium, potassium, magnesium, calcium, iron and iron-iron salts. These salts may be uniform or mixed salts. By uniform salts are meant in this case those salts which contain only one of the cations mentioned. Mixed salts are to be understood as meaning those salts which contain various of the cations mentioned. Also suitable are those salts in which not all H 2 O 3 P groups of the phosphonic acid esters are present in salt form.
  • the phosphonic acid esters of the formula (I) and their salts are known or can be prepared by known methods.
  • one or more magnesium, calcium and / or iron salts may also be present in the snail baits according to the invention.
  • Suitable salts of the metals mentioned are preferably sulfates, carbonates and phosphates.
  • Examples include magnesium sulfate, magnesium carbonate, calcium sulfate,
  • the salts may be in the form of hydrates or in anhydrous form.
  • iron (II) phosphate, iron (i ⁇ ) phosphate, iron (II) hydrogen phosphate, iron (m) hydrogen phosphate, iron (H) dihydrogen phosphate and iron (III) dihydrogen phosphate iron (II) bicarbonate, ferrous phosphate, iron (ffl) phosphate, ferrous carbonate and iron (m) carbonate.
  • the salts may be in the form of hydrates or in anhydrous form.
  • iron (II) phosphate, iron (i ⁇ ) phosphate, iron (II) hydrogen phosphate, iron (m) hydrogen phosphate, iron (H) dihydrogen phosphate and iron (III) dihydrogen phosphate iron (II) bicarbonate, ferrous phosphate, iron (ff
  • flours such as wheat flour, rye flour, rice starch, etc.
  • cereal flours such as durum wheat flour and soft wheat flour.
  • the flour is present in fine-grained form, preferably in
  • binders it is possible to include in the baits according to the invention all customary adhesives which can be used to prepare such preparations.
  • suitable are modified starch, formaldehyde-releasing substances, optionally partially saponified polyvinyl acetate and / or molasses.
  • modified starch is to be understood as meaning commercially available products of this type. Preference is given to cold-swelling maize starch.
  • formaldehyde-releasing substances all conventional products may be included, which are suitable for the release of formaldehyde. Preference is given to urea-formaldehyde condensation products.
  • Suitable polyvinyl acetates which may optionally be present in partially saponified form are preferably the products known by the trade names Mowilith® (Clariant) and Mowiol® (Clariant).
  • Molasses in the present case are understood to mean syrupy mother liquors produced in the manufacture of sugar.
  • Suitable additives which may be present in the baits according to the invention are preferably preservatives, dyes, snail attractants, grinding aids, additives, bitter substances, warm-blooded repellents and anticaking agents, as well as synthetic flavors, water and other molluscicidal active ingredients.
  • Preservatives are all customary substances suitable for this purpose
  • Suitable dyes are all customary substances suitable for this purpose.
  • inorganic pigments such as iron oxide, titanium dioxide and Ferrocyan blue, as well as organic dyes such as anthraquinone, azo and metal phthalocyanine dyes.
  • Suitable screw attractants are all customary substances suitable for this purpose. Examples include plant extracts and their derivatives, as well as products of animal origin.
  • Suitable grinding aids are all substances suitable for this purpose. Examples which may be mentioned are kaolins, clays, talc, chalk, quartz powder and highly dispersed silicic acid.
  • Suitable additives are substances which are suitable for adjusting the pH in the bait preparations. Examples include citric acid.
  • Nonylic acid vanillylamide may be mentioned by way of example.
  • Anticaking agents are all substances which are customary for this purpose and which are suitable for use
  • moisture-absorbing powders such as diatomaceous earth, fumed silicas, tricalcium phosphate, calcium silicates, alumina, magnesium oxide, magnesium carbonate, zinc oxide, stearates and fatty amines.
  • the snail baits according to the invention may contain additional molluscicidal active substances.
  • additional molluscicidal active substances are all substances suitable for this purpose. Exemplified is thiodicarb.
  • the content of the individual components can be varied in the snail baits according to the invention within a certain range. That's how the concentrations are
  • magnesium, calcium and / or iron salts generally between 0.2 and 25% by weight, preferably between 1.0 and 10% by weight.
  • On potato preparation between 10 and 50% by weight, preferably between 20 and 40% by weight,
  • Yeast between 2 and 15% by weight, preferably between 4 and 10% by weight
  • cereal flour In general between 20 and 80% by weight, preferably between 30 and 60% by weight, of cereal flour,
  • binders generally between 0 and 25% by weight, preferably between 5 and 20% by weight,
  • additives In general, between 0 and 5.0% by weight of additives, preferably between 2 and 5.0% by weight.
  • Suitable diluents for use may be inert organic solvents and / or water. Preferably, water is used.
  • the amounts of the individual components are chosen so that the substances are present in the worm baits according to the invention in the weight ratios mentioned above.
  • the amount of water or diluent is such that a dough is formed in step (3) of the process.
  • the amount of water used is generally between 25 and 35 wt .-%, preferably between 27 and 34 wt .-%, based on the other constituents.
  • the content of water is significantly lower, because the initially moist product is still dried in stage (5) of the production process. There remains virtually only the residual moisture present in the cereal flour.
  • the temperatures can be varied within a certain range when carrying out the process according to the invention. You work in the implementation
  • the preparation of the premix (stage 1) generally at temperatures between 0 ° C. and 30 ° C., preferably at room temperature,
  • step 2 • mixing the premix with other constituents (step 2) is generally at temperatures between 0 0 C and 30 ° C, preferably at room temperature, • mixing with water (step 3) generally at temperatures between 0 ° C. and 40 ° C., preferably between 10 ° C. and 30 ° C.,
  • the extrusion (step 4) generally at temperatures between 20 0 C and 60 0 C, preferably between 30 0 C and 50 0 C and
  • drying generally at temperatures between 20 0 C and 90 0 C, preferably between 30 0 C and 80 0 C.
  • step (1) to (3) and (5) of the process according to the invention is generally carried out under atmospheric pressure. But it is also possible to carry out the drying process in the step (5) under reduced pressure.
  • step (4) is generally carried out under elevated pressure, preferably under a pressure between 30 and 100 bar.
  • customary mixers are suitable, into which additional substances, such as cereal flour, binders, diluents or water, can be added during the mixing process.
  • Preferably usable are plowshare mixers, paddle mixers and twin-shaft extruders.
  • step (4) For extrusion in step (4) are common equipment in the food industry into consideration, with the aid of a dough by perforated discs extruded and then crushed can be.
  • step (5) For drying the moist product in step (5), conventional apparatus suitable for removing moisture from particulate solid substances are suitable. In a preferred embodiment, the process is carried out by first drying the moist product in a fluidized bed and then drying it in a separate apparatus to the desired final moisture content.
  • step (1) a solution or suspension ("premix") of phosphonic acid ester or salts thereof,
  • diluents preferably water and optionally one or more other molluscicidal active ingredients and optionally additives, such as preservatives, dyes, additives, etc. produces,
  • stage (2) the premix obtained is mixed with fine-grained cereal flour, with potato preparation, with yeast, optionally with binder and optionally with further additives, to give a homogeneous product,
  • step (3) adding so much water with mixing and kneading that a dough is formed
  • step (4) extruding and crushing the dough under pressure
  • the particulate material first before and then after-drying and then cooled to room temperature.
  • powdery premixes eg consisting of cereal flour, potato preparation, metal salt or metal salts, yeast
  • stage (1) which in stage 2 is made into a dough with the phosphonic acid solution and the adhesive solution become.
  • step (3) may be omitted, especially if the dough already has the desired consistency.
  • the size of the snail bait can be varied in carrying out the method according to the invention in the particular desired manner within a certain range.
  • the dough is ground to produce pellets or strand-like particles.
  • the average diameter or the average length of the particles is generally between 1 and 4 mm, preferably between 1.5 and 3 mm.
  • the snail baits according to the invention are very well suited for controlling terrestrial snails in agriculture and horticulture.
  • the snails include all land-living nude and housing snails, which occur in the majority as polyphagous pests of agricultural and horticultural crops.
  • Important such pests are nudibranchs, such as Arion rufus (Great Slug), Arion ater and other Arionidae, Limax species, as well as land snails, such as Deroceras reticulatum and agreste from the family Limacidae, as well as species from the family Milacidae, and also harmful snails, such as those of the genus Cepaea, Discus, Helicigona and Helicella.
  • the application rate of the baits according to the invention can be varied within a relatively wide range. In general, between 2 and 15 kg of snail baits are used per hectare, preferably between 3 and 7 kg per hectare.
  • the worm baits according to the invention can be applied by conventional methods, such as, for example, by scattering and grooving.
  • Example 1 Production of inventive worm bait
  • the powdery ingredients are premixed.
  • 42 kg of durum wheat flour with a particle size of less than 250 ⁇ m, 8 kg of yeast, 35 kg of potato preparation and 2 kg of iron-IU-phosphate are homogenized for 5 minutes.
  • the solid mixture is then in a ploughshare mixer.
  • Dough kneader transferred. 3 kg of an approximately 60% phosphonic acid of the formula (I) (HEDP, commercial product from ZSM, pH 1) are diluted with 700 g of water and then slowly added with stirring and at room temperature into the dough mixer. After complete addition, mixing is continued for a further 10 minutes.
  • HEDP approximately 60% phosphonic acid of the formula (I)
  • Test culture Tagetes patula
  • the evaluation was carried out 3, 7 and 14 days after the application by determining the feeding damage (% plants with feeding damage) on the test plants, in addition, was also evaluated for any symptoms of Phytotoxis.
  • the efficiency of the test substance is 100% (according to Abbott), if no feeding damage has been determined or it is 0%, if the feeding damage is just as strong as in the control.
  • compositions according to the invention show an effect which is comparable to products containing molasses, a known screw attractant (variant 3).
  • the baits were prepared by the method described above. The difference to 100% results, for example, from water and binder, which have no influence on the attractiveness and are present in almost identical amounts in all compositions.
  • Biological Example 2
  • Test culture Tagetes patula
  • the plots were planted with 20 days of plants each. Each lot was occupied by 20 Arion snails.
  • the evaluation was carried out 3, 7 and 14 days after the first application by determining the feeding damage (% plants with feeding damage) on the test plants. In addition, it was also evaluated for any phytotoxic symptoms.
  • the efficiency of the test substance is 100% (according to Abbott), if no feeding damage has been determined or it is 0%, if the feeding damage is just as strong as in the control.
  • compositions according to the invention show an effect which is better than that of products containing molasses, a known screw attractant (variant 3).
  • the baits were prepared by the method described above. The difference to 100% results, for example, from water and binder, which have no influence on the attractiveness and are present in almost identical amounts in all compositions.
  • Biological Example 3
  • Test snails Deroceras reticulatum
  • Test culture cabbage (variety Greyhound) 6-8 leaf stage
  • the parcels were planted with 9 cabbage plants and were each populated with 20 Deroceras snails.
  • the evaluation was carried out 3, 7 and 14 days after the first application by determining the feeding damage (% plants with feeding damage) on the test plants. In addition, it was also evaluated for any symptoms of phytotoxes.
  • the efficiency of the test substance is 100% (according to Abbott), if no feeding damage has been determined or it is 0%, if the feeding damage is just as strong as in the control.
  • compositions according to the invention show an effect which is better than that of products containing molasses, a known screw attractant (variant 3).
  • the baits were prepared by the method described above. The difference to 100% results, for example, from water and binder, which have no influence on the attractiveness and are present in almost identical amounts in all compositions.
  • Biological Example 4
  • Baits according to the invention were prepared which contained potato preparation and brewer's yeast, only potato preparation or neither. Durum wheat was added as a classic bait component, so that the bait always consisted of 85% bait substances.
  • All lures contained the same amount of iron (i ⁇ ) phosphate and (1-1). In each case, 5 g of bait were placed in a box filled with 10 Arion snails, as well as some potato slices. Then the feeding on the slices was determined. The higher the feed, the less effective the bait.
  • the baits according to the invention have a particularly good and also particularly long-lasting action.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Plant Pathology (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Food Science & Technology (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Catching Or Destruction (AREA)

Abstract

La présente invention concerne l'emploi d'une combinaison d'une préparation à base de pomme de terre et d'une levure, pour améliorer l'attractivité de compositions molluscicides destinées aux limaces. L'invention concerne également des compositions correspondantes, un procédé de préparation et l'emploi de ces compositions pour lutter contre des limaces terrestres.
EP08758427A 2007-05-16 2008-05-09 Appat pour limaces Withdrawn EP2148566A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP08758427A EP2148566A1 (fr) 2007-05-16 2008-05-09 Appat pour limaces
EP10168715A EP2245928A2 (fr) 2007-05-16 2008-05-09 Appât pour limaces

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP07009767A EP1992226A1 (fr) 2007-05-16 2007-05-16 Appât pour limaces
PCT/EP2008/003731 WO2008138552A1 (fr) 2007-05-16 2008-05-09 Appât pour limaces
EP08758427A EP2148566A1 (fr) 2007-05-16 2008-05-09 Appat pour limaces

Publications (1)

Publication Number Publication Date
EP2148566A1 true EP2148566A1 (fr) 2010-02-03

Family

ID=38565954

Family Applications (3)

Application Number Title Priority Date Filing Date
EP07009767A Ceased EP1992226A1 (fr) 2007-05-16 2007-05-16 Appât pour limaces
EP08758427A Withdrawn EP2148566A1 (fr) 2007-05-16 2008-05-09 Appat pour limaces
EP10168715A Withdrawn EP2245928A2 (fr) 2007-05-16 2008-05-09 Appât pour limaces

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP07009767A Ceased EP1992226A1 (fr) 2007-05-16 2007-05-16 Appât pour limaces

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP10168715A Withdrawn EP2245928A2 (fr) 2007-05-16 2008-05-09 Appât pour limaces

Country Status (6)

Country Link
US (1) US20100129338A1 (fr)
EP (3) EP1992226A1 (fr)
JP (1) JP2010526843A (fr)
AU (1) AU2008250615A1 (fr)
CA (1) CA2687397A1 (fr)
WO (1) WO2008138552A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2568808B1 (fr) 2010-05-14 2016-06-22 COMPO GmbH Formulations d'appâts pour lutter contre les gastéropodes
AU2011311684B2 (en) * 2010-10-06 2014-07-03 Bayer Intellectual Property Gmbh Formulation for snail baits comprising organophosphonic acids, metal salts and methiocarb
CN113243398B (zh) * 2021-05-20 2022-10-14 四川省农业科学院植物保护研究所 一种防治食用菌蛞蝓的生防制剂及其制备方法和应用

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Also Published As

Publication number Publication date
CA2687397A1 (fr) 2008-11-20
EP1992226A1 (fr) 2008-11-19
EP2245928A2 (fr) 2010-11-03
AU2008250615A1 (en) 2008-11-20
US20100129338A1 (en) 2010-05-27
JP2010526843A (ja) 2010-08-05
WO2008138552A1 (fr) 2008-11-20

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