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WO2003069996A1 - Molluscicides - Google Patents

Molluscicides Download PDF

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Publication number
WO2003069996A1
WO2003069996A1 PCT/EP2003/001277 EP0301277W WO03069996A1 WO 2003069996 A1 WO2003069996 A1 WO 2003069996A1 EP 0301277 W EP0301277 W EP 0301277W WO 03069996 A1 WO03069996 A1 WO 03069996A1
Authority
WO
WIPO (PCT)
Prior art keywords
optionally
iron
snail
salts
mixture
Prior art date
Application number
PCT/EP2003/001277
Other languages
German (de)
English (en)
Inventor
Wolfgang Wirth
Udo Reckmann
Gerhard Baron
Torsten Groth
Thomas Sildatke
Original Assignee
Bayer Cropscience Aktiengesellschaft
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 Aktiengesellschaft filed Critical Bayer Cropscience Aktiengesellschaft
Priority to AU2003208820A priority Critical patent/AU2003208820A1/en
Publication of WO2003069996A1 publication Critical patent/WO2003069996A1/fr

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
    • 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
    • A01N37/44—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 containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
    • 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 new snail baits based on iminodisuccinic acid, a process for their preparation and their use for controlling snails.
  • magnesium, calcium and / or iron salts optionally in a mixture with one or more magnesium, calcium and / or iron salts
  • the baits according to the invention have a significantly better effectiveness in combating snails than the " most similar, known preparations for the same application.
  • the snail baits according to the invention are characterized by the ingredients listed.
  • the active components contained in the snail baits according to the invention are either
  • magnesium, calcium and / or iron salts one or more magnesium, calcium and / or iron salts
  • Iminodisuccinic acid of the formula (I) in a mixture with one or more magnesium, calcium and / or iron salts Suitable salts of iminodisuccinic acid are preferably their ammonium, lithium, sodium, potassium, magnesium, calcium, iron (II) and iron (III) salts. These salts can be uniform or mixed salts. Uniform salts are to be understood here as salts which contain only one of the cations mentioned. Mixed salts are understood to mean those salts which contain various of the cations mentioned. In addition, salts are also suitable in which not all carboxyl groups of iminodisuccinic acid are in salt form.
  • the iminodisuccinic acid of the formula (I) and its salts are known or can be prepared by known methods (cf. "LOS sodium salt", Bayer AG, April 1999).
  • the snail baits according to the invention may also contain one or more magnesium, calcium and / or iron salts.
  • Preferred salts of the metals mentioned are sulfates, carbonates and phosphates.
  • Examples include magnesium sulfate, magnesium carbonate, calcium sulfate, calcium carbonate, iron (LT) sulfate, iron (IU) sulfate, iron (II) hydrogen sulfate, iron (III) hydrogen sulfate, iron (II) hydrogen phosphate, iron (III) hydrogen phosphate, iron (II) hydrogen carbonate, iron (II) phosphate, iron (I ⁇ I) phosphate, iron (II) carbonate and iron (JJI) carbonate.
  • the salts can be in the form of hydrates or in anhydrous form.
  • flours such as wheat flour, rye flour, rice starch and others
  • Durum wheat flour and soft wheat flour are preferred.
  • the flour is in fine-grained form, preferably in grain sizes below 250 ⁇ .
  • All conventional adhesives which can be used for the production of such preparations can be present as binders in the baits according to the invention.
  • Modified starch, formaldehyde-releasing substances, optionally partially saponified polyvinyl acetate and / or molasses are preferred.
  • Modified starch in the present case means commercial products of this type. Cold source maize starch is preferred.
  • Substances which release formaldehyde can contain all customary products which are suitable for releasing formaldehyde. Urea are preferred
  • Suitable polyvinyl acetates which may optionally be in partially saponified form, are preferably the products known under the trade names Mowilith® (Clariant) and Mowiol® (Clariant).
  • molasses are to be understood as the usual 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, and also water and other moUusicidal active ingredients.
  • Plant extracts and their derived products, as well as products of animal origin, may be mentioned as examples.
  • Suitable additives are substances that are used to adjust the pH in the
  • Citric acid is an example.
  • All substances suitable for this purpose can be used as grinding aids.
  • examples include kaolins, clays, talc, chalk, quartz powder and finely divided silica.
  • warm-blooded repellants which have a repellent effect on warm-blooded creatures such as dogs or hedgehogs
  • all substances customary for this purpose can be considered.
  • An example is nonyl acid vanillylamide.
  • Denatonium benzoate may be mentioned as an example.
  • Moisture-adsorbing powders such as diatomaceous earth, pyrogenic silicas, tricalcium phosphate, calcium silicates, aluminum oxide, magnesium oxide, magnesium carbonate, zinc oxide, stearates and fatty amines.
  • Mehtiocarb, metaldehyde and Metal salts optionally in a mixture with complexing agents, chelates of ethylenediamine tetraacetic acid and iron and / or copper ions being mentioned as examples.
  • Snail baits can be varied within a certain range. So the concentrations are
  • Cereal flour generally between 50 and 95% by weight, preferably between 60 and 90% by weight,
  • Binder in general between 0 and 20% by weight, preferably between 0 and 15% by weight,
  • Additives generally between 0 and 5.0 wt .-%, preferably between 0 and 3.0 wt .-%.
  • Inert organic solvents and / or water can be used as diluents during the implementation. Water can preferably be used.
  • the amounts of the individual components are chosen so that the substances in the snail baits according to the invention in those weight ratios are present, which were mentioned above.
  • the amount of water or diluent is measured so that a dough is formed in step (3) of the process.
  • the amount of water used is generally between 25 and 35% by weight, preferably between 27 and 34% by weight, based on the other constituents.
  • the water content is significantly lower because the initially moist product is still dried in stage (5) of the production process. There is practically only the residual moisture present in the flour.
  • the temperatures can be varied within a certain range when carrying out the method according to the invention.
  • Stage (1) generally at temperatures between 0 ° C. and 30 ° C., preferably at room temperature,
  • Stage (2) generally at temperatures between 0 ° C. and 30 ° C., preferably at room temperature
  • Stage (3) generally at temperatures between 0 ° C and 40 ° C, preferably between 10 ° C and 30 ° C,
  • Stage (4) generally at temperatures between 20 ° C and 60 ° C, preferably between 30 ° C and 50 ° C and
  • stage (5) generally at temperatures between 20 ° C and 90 ° C, preferably between 30 ° C and 80 ° C.
  • Steps (1) to (3) and (5) of the process according to the invention are generally carried out under atmospheric pressure. However, it is also possible to borrow the drying process in stage (5) under reduced pressure. to lead.
  • 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 flour, binders, diluents or water, can be added during the mixing process.
  • Ploughshare mixers, paddle mixers and twin-screw extruders can preferably be used.
  • Question 'shaped for removing moisture from particulate solids are suitable.
  • the procedure is such that the moist product is first predried in a fluidized bed and then dried in a separate device to the desired final moisture.
  • step (1) a solution or suspension (“premix”) of iminodisuccinic acid or its salts, optionally in a mixture with other of the metal salts mentioned, and diluents, preferably water and optionally one or more further molluscicidal active ingredients and optionally additives such as preservatives, dyes, additives, etc.
  • stage (2) the premix obtained is mixed with fine-grain cereal flour, optionally with binder and optionally with further additives to form a homogeneous product,
  • step (3) add so much water with mixing and kneading that a dough is formed
  • step (4) the dough is extruded and crushed under pressure
  • stage (5) the particulate material first pre-dries and then dries and then cools to room temperature.
  • Premixes are provided, which are used in succession in stage 2.
  • step (3) can be omitted, in particular if the dough already has the desired consistency.
  • the transition from pre-drying and post-drying takes place continuously.
  • the size of the snail bait can be carried out when carrying out the invention
  • the dough is generally crushed in such a way that pellets or strand-like particles are formed.
  • the average diameter or 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 suitable for controlling terrestrial snails in agriculture and horticulture.
  • the snails include all land-living nudibranchs and shell snails, most of which occur as polyphage pests from agricultural and horticultural crops.
  • Important pests of this type are slugs, such as Arion rufüs (great path - left
  • Arion ater and other Arionidae Limax species
  • field snails such as Deroceras reticulatum and agreste from the Limacidae family, as well as species from the Milacidae family
  • harmful shell 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 bait are used per hectare, preferably between 3 and 7 kg per hectare.
  • the snail baits according to the invention can be applied by customary methods, such as, for example, by scattering and drilling in.
  • durum wheat flour with a grain size of less than 250 ⁇ m are mixed in a dough kneader with stirring at room temperature within 2.5 minutes
  • durum wheat flour with a grain size of less are in a dough kneader
  • the material obtained is dried in a fluidized bed for 30 minutes by an air stream, the temperature of which is continuously increased from 20 ° C. and the exhaust air reaches a temperature of 55 ° C. at the end of the drying process.
  • the product is then allowed to cool to room temperature and is left open to the air for 3 days so that the equilibrium moisture in the pellets is established. In this way, 1,000 g of snail bait are obtained in the form of cylindrical pellets.
  • snail baits are in the form of
  • a 10% by weight suspension of finely ground pellets in water has a pH of 7.42 after stirring for 15 minutes and standing for 1 minute in the aqueous phase.
  • snail baits are produced in the form of pellets by using the following components:
  • snail baits are produced in the form of pellets by using the following components:
  • a 10% by weight suspension of finely ground pellets in water has a pH of 7.42 after stirring for 15 minutes and standing for 1 minute in the aqueous phase.
  • snail baits are produced in the form of pellets by using the following components:
  • a 10% by weight suspension of finely ground pellets in water has a pH of 7.50 after stirring for 15 minutes and leaving to stand for 1 minute in the aqueous phase.
  • the bottom of plastic containers with a length of 22 cm and a width of 16 cm is covered with a 2 cm high layer of moist compost. 0.15 g of snail bait pellets are then evenly distributed over the entire width of the test container over a length of 17 cm on the surface of the compost. 20 wheat grains are evenly placed in the spaces between the pellets.
  • a 4 x 4 cm large plastic pot which serves as a protective space and has holes on the sides, is placed with the floor facing upwards.
  • 10 snails (Deroceras reticulatum) are placed on the untreated surface of each test container. Each test container is then covered with gauze so that the screws cannot escape.
  • the test containers are set up at a temperature of 15 ° C and a relative humidity of 95% and illuminated 12 hours a day.
  • the evaluation is carried out after 7 days.
  • the mortality of the snails is determined and calculated in percent. 0% means that no snails have died, while 100% means that all snails have died.
  • the iron HI-phosphate was used in the form of the snail bait, which is commercially available under the name Ferramol® (Neudorff company).
  • Fe EDTA stands for iron chelate of ethylenediamine tetraacetic acid.
  • Fe SO4 JDS-Na4 stands for iron-sulfate mixed with iminodisuccinic acid tetrasodium salt

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)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Food Science & Technology (AREA)
  • Toxicology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

L'invention concerne de nouveaux molluscicides contenant de l'acide iminodisuccinique de la formule (I) et/ou ses sels d'ammonium, de métaux alcalins, de métaux alcalinoterreux et/ou de fer, éventuellement en mélange avec au moins un sel de magnesium, de calcium et/ou de fer ; de la farine de céréale à grain fin, éventuellement un liant et éventuellement au moins un adjuvant. L'invention concerne également un procédé de production de ces molluscicides et leur utilisation pour lutter contre les limaces.
PCT/EP2003/001277 2002-02-21 2003-02-10 Molluscicides WO2003069996A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003208820A AU2003208820A1 (en) 2002-02-21 2003-02-10 Molluscicide

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10207243.4 2002-02-21
DE2002107243 DE10207243A1 (de) 2002-02-21 2002-02-21 Schneckenköder

Publications (1)

Publication Number Publication Date
WO2003069996A1 true WO2003069996A1 (fr) 2003-08-28

Family

ID=27674801

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/001277 WO2003069996A1 (fr) 2002-02-21 2003-02-10 Molluscicides

Country Status (3)

Country Link
AU (1) AU2003208820A1 (fr)
DE (1) DE10207243A1 (fr)
WO (1) WO2003069996A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1752043A1 (fr) * 2005-08-09 2007-02-14 Denka International Holding B.V. Composition molluscicide, formes de dosage contenant ces compositions et procédé pour son utilisation
WO2011141566A2 (fr) 2010-05-14 2011-11-17 Compo Gmbh & Co. Kg Formulations d'appâts pour lutter contre les gastéropodes
WO2015126267A1 (fr) 2014-06-10 2015-08-27 Icb Pharma Spółka Jawna Composition molluscicide

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989001287A2 (fr) * 1987-08-11 1989-02-23 National Research Development Corporation Molluscicides
WO1997026789A1 (fr) * 1996-01-25 1997-07-31 Colin Leslie Young Molluscicides a action sur l'estomac
WO1999025194A1 (fr) * 1997-11-14 1999-05-27 Colin Leslie Young Molluscicides ayant une action stomacale amelioree
WO1999039576A1 (fr) * 1998-02-05 1999-08-12 W. Neudorff Gmbh Kg Amelioration de molluscides metalliques a l'aide d'un acide ethylenediamino-discussinique (edds)
WO2001012767A1 (fr) * 1999-08-12 2001-02-22 The Procter & Gamble Company Composant de desintegration et composition detergente contenant ce composant
WO2002009518A1 (fr) * 2000-07-28 2002-02-07 Colin Leslie Young Composition mollusquicide

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989001287A2 (fr) * 1987-08-11 1989-02-23 National Research Development Corporation Molluscicides
WO1997026789A1 (fr) * 1996-01-25 1997-07-31 Colin Leslie Young Molluscicides a action sur l'estomac
WO1999025194A1 (fr) * 1997-11-14 1999-05-27 Colin Leslie Young Molluscicides ayant une action stomacale amelioree
WO1999039576A1 (fr) * 1998-02-05 1999-08-12 W. Neudorff Gmbh Kg Amelioration de molluscides metalliques a l'aide d'un acide ethylenediamino-discussinique (edds)
WO2001012767A1 (fr) * 1999-08-12 2001-02-22 The Procter & Gamble Company Composant de desintegration et composition detergente contenant ce composant
WO2002009518A1 (fr) * 2000-07-28 2002-02-07 Colin Leslie Young Composition mollusquicide

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1752043A1 (fr) * 2005-08-09 2007-02-14 Denka International Holding B.V. Composition molluscicide, formes de dosage contenant ces compositions et procédé pour son utilisation
WO2011141566A2 (fr) 2010-05-14 2011-11-17 Compo Gmbh & Co. Kg Formulations d'appâts pour lutter contre les gastéropodes
WO2015126267A1 (fr) 2014-06-10 2015-08-27 Icb Pharma Spółka Jawna Composition molluscicide
US10285398B2 (en) 2014-06-10 2019-05-14 Icb Pharma Spolka Jawna Molluscicide composition

Also Published As

Publication number Publication date
AU2003208820A1 (en) 2003-09-09
DE10207243A1 (de) 2003-09-04

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