CN1375199A - Novel pesticide and fungicide composition - Google Patents

Novel pesticide and fungicide composition Download PDF

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Publication number
CN1375199A
CN1375199A CN02107095A CN02107095A CN1375199A CN 1375199 A CN1375199 A CN 1375199A CN 02107095 A CN02107095 A CN 02107095A CN 02107095 A CN02107095 A CN 02107095A CN 1375199 A CN1375199 A CN 1375199A
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CN
China
Prior art keywords
rice
emamectin
bacterial blight
fungicide
insect
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.)
Pending
Application number
CN02107095A
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Chinese (zh)
Inventor
大津悠一
涩谷克彦
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Bayer CropScience KK
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Nihon Bayer Agrochem KK
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Publication of CN1375199A publication Critical patent/CN1375199A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/90Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/80Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N53/00Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N2300/00Combinations or mixtures of active ingredients covered by classes A01N27/00 - A01N65/48 with other active or formulation relevant ingredients, e.g. specific carrier materials or surfactants, covered by classes A01N25/00 - A01N65/48

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

Abstract

This insecticidal/fungicidal composition comprises emamectin or its salt and a controller for blast neck rot of rice plant ((1RS,3SR)-2,2- dichloro-N- GBP 1-(4-chlorophenyl)ethyl|-1-ethyl-3-methylcyclopropanecarboxamide, 2-cyano-N- GBP 1-(2,4-dichlorophenyl)ethyl|-3,3-/1-dimethylbutanamide, 3-allyloxy-1,2- benzoisothiazole-1,1-dioxide, 1,2,5,6-tetrahydropyrrolo GBP 3,2,1-ij|quinolin-4-one or 5-methyl-1,2,4-triazolo GBP 3,4-b|benzothiazole) as active ingredients.

Description

New insecticide and fungicide composite
The present invention relates to new insecticide and fungicide synergistic activity composition of matter.Said composition contains known emamectin or its salt and bacterial blight of rice controlling agent.
Emamectin and its salt are from the macrolide type compound (EP-A-89202 of insecticide A Fumiding as 16-person's ring of starting material preparation; EP-A-301806; The organic chemistry magazine, 59,7704-7708, (1994); And US-5288710), can be used as insecticide and miticide and known can mix with insecticide use (WO99/25187, WO00/02453).
Recently when rice cropping, the mechanical trasplanting method that adopts the sprigging device to carry out has been widely used and has attempted in paddy field saving the labour and adopting chemical method control of disease and insect in seedling-raising box also to save the labour in growth of seedling or seed treatment process by controlling insect and crop disease simultaneously.
And the application quantity and the applying frequency of agrochemistry are lowered in strong always expectation with regard to safety and environmental protection, and are studying further in addition attenuating of application quantity of chemicals.
Particularly in rice cropping, demand is still arranged to saving labour and effective Pest Control and paddy rice disease.Harmful insect is lepidopterous insects (Chilo suppresalis, Cnaphalocrosis medinalis or the like) and Thysanoptera (Chloethripsoryzae or the like) for example, and important disease is a bacterial blight of rice above-mentioned.The insect of controlling the paddy rice disease simultaneously and paddy rice being harmful to is useful especially.
Have been found that now to comprise (a) emamectin or its salt and (b) the new active compound composition of at least a active component, described active component is selected from the bacterial blight of rice controlling agent, and said composition shows extra high insect and the Fungicidally active of killing.
Show astoundingly that by mixing insect and the Fungicidal composition of killing of the present invention significant synergy kills the insect effect, and this is from the killing the insect effect and can't infer of the situation of utilizing single emamectin or its salt, therefore compares the control action that insect and fungicide composite show outstanding insect effect of killing and outstanding anti-bacterial blight of rice when the lower dosage simultaneously of killing of the present invention with the bacterial blight of rice controlling agent with independent use emamectin.
In addition, for example Cnaphalocrosis medinalis or the like and the thysanoptera insect Chloethrips oryzae or the like for example of effect that insect and fungicide composite show significant anti-lepidopterous insects simultaneously and accurately that kills of the present invention, it is the important insect that is harmful to paddy rice and has obtained existing chemical products, bacterial blight of rice is to the resistance of the harmful most important disease of paddy rice.
Emamectin is the mixture of isomers that is known as emamectinB1b and emamectin B1a.US4874749, at organic chemistry magazine 59,7704-7708 (1994) has described MK-244.In the present invention, emamectin can be used as these isomer or single mixture of isomers.In the present invention, emamectin can be used as free base or has form inorganic or organic acid salt.The mineral salt of emamectin, for example hydrochloride (USP4874749) and phosphate (US5288710).The organic salt of emamectin for example is benzene sulfonate, maleate, citrate, burnt Chinese parasol tree phenolate (pyrogallolate), benzoate, salicylate (US5288710).
In the above-mentioned emamectin that mentions or its salt, the emamectin benzoate (mixture of emamectin benzoate Bla and emamectin benzoate Blb particularly; Referring to the insecticide handbook, the Britain crop protection committee publishes, the 12nd edition (2000)) be preferred.
Bacterial blight of rice controlling agent and emamectin above-mentioned or its salt one are used from insecticide of the present invention and antifungal agent group compound.Can use several known reagent (referring to the insecticide handbook, the 12nd edition).The preferred compound that can control bacterial blight of rice is:
1,2,5,6-nafoxidine [3,2,1-ij] quinolinones (pyroquilon), (2-1)
(1RS, 3RS)-2,2-two chloro-N-[1-(4-chlorobenzene) ethyl]-1-ethyl-3-methyl ring-propane formamide (carpropamid), (2-2)
3-allyloxy-1,2-benzisothiazole-1,1-dioxide (probenazole), (2-3)
The 5-methyl isophthalic acid, 2,4-triazole [3,4-b] benzothiazoles (tricyclic azole) are (2-4)
2-cyano group-N-[1-(2,4 dichloro benzene base) ethyl]-3,3-amide dimethyl butyrate (dichlocimet), (2-5)
(these compounds can be referring to for example insecticide handbook, and the 12nd edition (2000), Japanese laid-open patent discloses 76846/1999).
The mixed proportion of emamectin or its salt and bacterial blight of rice controlling agent can be used according to described composition in desinsection of the present invention and the fungicide composite, changes in the wide region of kind of bacterial blight of rice controlling agent or the like.Usually can be 0.1-2 at the total amount umber, 000,000, preferably 1-1000000 is to using the bacterial blight of rice controlling agent in the scope of 1 part of weight emamectin or its salt.Same may be: emamectin or its salt of 5-500000 and 10-100000 portion rate 1 umber weight.But mixed proportion if necessary above-mentioned can be according to the kind of insect to be controlled, outburst degree of disease or the like and changing.
Desinsection provided by the invention and fungicide composite show good desinsection and fungicide effect and can be used as desinsection and fungicide is used with multiple application form, for example plant is used, be applied to water or be applied to water surface, soil is used, earth mixture is handled, seedling-raising box, seed treatment or the like.Preferably can should be mentioned that the water surface application, seedling-raising box is used and seed treatment.
Desinsection of the present invention and fungicide composite are nontoxic and be the agrochemicals agent to warm blooded animal hypotoxicity and available set to the plant of cultivation; especially in protection accurately control disease and harmful insect during paddy rice, especially harmful insect and bacterial blight of rice to paddy rice.Desinsection of the present invention and fungicide composite are activated in each or isometric growth stage to the sensitivity of harmful insect and pathogene and resistance kind usually.
Can control the pathogene and the harmful insect of wide region according to the present invention.
For example harmful insect is Lepidoptera and Thysanoptera, particularly belongs to lepidopterous Cnaphalocrosis medinalis and Chilo suppresalis and belongs to the Chloethrips oryzae of thysanoptera.
For example pathogene is a deuteromycetes, particularly belongs to the pyriculariaoryzae of deuteromycetes.
When practical application, desinsection of the present invention and fungicide composite can be prepared as the preparation of routine of the form of mixtures of emamectin or its salt and bacterial blight of rice controlling agent.Formulation example as mentioned above such as solution, emulsion, wetting powder, suspension, powder, granule, but water discrete particles, aerosol, the natural and synthetic material of the reactive compound that infiltrated, microcapsules are used for the capsulating material of seed, ULV (cold mist, warm mist) or the like.
According to methods known in the art, for example pass through emamectin or its salt/bacterial blight of rice controlling agent and swelling agent, be called liquid diluent or excipient, liquid gas thinner or excipient, solid diluent or excipient, non-imposedlyly and surfactant, be called emulsifier and/or dispersant and prepare these preparations (hereinafter being generically and collectively referred to as reactive compound of the present invention sometimes).Make water as swelling agent, organic solvent can be used as secondary solvent.
Liquid diluent or excipient for example comprise aromatic hydrocarbon (dimethylbenzene for example, toluene, alkyl aphthalene or the like), greening fragrance or greening aliphatic hydrocarbon (for example chlorobenzene, vinyl chloride, chloromethane support or the like), aliphatic hydrocarbon (for example originally, cyclohexane, paraffin (for example inorganic oil extract) or the like), alcohol is (for example, butanols, ethylene glycol and its ether or ester or the like), ketone (acetone for example, methyl ethyl ketone, methyl iso-butyl ketone (MIBK), cyclohexane or the like), intensive polar solvent (for example dimethyl formamide, dimethyl sulphoxide or the like) and water.
The diluent for gases or the excipient of liquefaction are to be gas form when conventional temperature and pressure, and aerosol propellants for example above-mentioned is butane for example, nitrogen, carbonic acid gas, halogenated hydrocarbon or the like.
Dispersant comprises for example natural mineral material (for example kaolin, clay, mica, chalk, quartz, attapulgite, montmorillonite, diatomite or the like) and synthetic mineral (for example the silicic acid of high degree of dispersion, aluminium, silicate or the like).
The solid excipient that is used for capsule comprises for example crushing and rock (for example, calcite, marble fractionation, sepiolite, dolomite or the like), the capsule of the synthetic capsule of inorganic and organic cornflour and organic material (sawdust for example, cocoa husk, corncob, tobacco stem or the like).
Emulsifier and/or foam type catalyzer for example comprise nonionic and anion emulsifier (polyoxyethylene fatty acid esters for example, polyethylene glycol oxide fatty acid alcohol ether (for example alkylaryl polyglycol ether), alkylsulfonate, alkyl sulfate, aromatic sulfonate or the like) and the aluminium hydrolysis prods.
Dispersant comprises for example lignin Sulfur water liquor, methylcellulose or the like.
Sticker also can be used for prescription (pulvis, capsule, emulsible concentrate).Sticker comprises for example carboxy methyl cellulose, natural and synthetic polymer (for example, gum Arabic natural gum, polyvinyl alcohol, acetate polyethylene or the like).
Also can use colouring agent.Colouring agent for example comprises inorganic pigment (iron oxide for example, titanium oxide, Prussian blue or the like), organic dyestuff (for example, alizarin dyes, azo dyes, metal phthalocyanine dyestuff or the like).
Further can comprise for example for example iron, magnesium, boron, copper, cobalt, molybdenum and zinc of slaine of micronutrient element.
Described preparation can contain and is generally 0.1-95% weight, preferably the desinsection of the present invention and the fungicide composite of 0.5-90% weight range.
Can use desinsection of the present invention and fungicide composite with the preparation of former preparation or by each reactive compound was mixed in the bucket just before using.
Can be with from the commercial available preparation of these formulation preparation or the form of application, further with other agriculturally active ingredients, for example other desinsections and/or fungicide, growth regulator, fertilizer, weed killer herbicide or the like mixes use desinsection of the present invention and fungicide composite.
Other insecticide as mentioned above can should be mentioned that neonicotinoide type insecticide (for example imidacloprid, thiacloprid, clothianidin, nitenpyram, dinotefuran, thiamethoxam, acetamiprid or the like) especially.
Desinsection of the present invention and fungicide composite are applicable to the rice field application, and the seedling cultivation of rice box is used or rice paddy seed is handled.
Be applicable to that the desinsection of the present invention of commodity application form and the content of fungicide composite can change in wide region, the application concentration of desinsection of the present invention and fungicide composite can be for example 0.0000001-100% weight, preferably 0.01-80% weight range.
For example, be used for the situation that paddy rice is handled in the rice field, the concentration of the active component of the present invention of practical application form can change in base region and can be for example 0.00001-1% weight, preferably 0.0001-0.5% weight range usually.
For handling the situation of seedling paddy rice at seedling-raising box, can restrain at 0.001-100 usually, preferably 0.01-50 gram/each seedling-raising box (30 * 60 * 3 centimetres are utilized about 5 liters soil) uses active component of the present invention.
For seed treatment, can restrain at 0.006-600 usually, preferably use active component of the present invention in the scope of the seed of 0.06-300 gram/per 1 kilogram.
By embodiment the present invention is described more specifically.
Yet the present invention should be restricted to these embodiment never in any form.Unless stated otherwise, % and umber are meant weight.
Biology test implementation example
Embodiment 1
Test to the effect that is applied to the anti-Cnaphalocrosis medinalis of plant
Test compounds
" 1 " emamectin benzoate
(2-1)pyroquilon
(2-2)carpropamid
(2-3)probenazole
(2-4) tricyclazole
Test formulation
(a) handle for independent use emamectin, by water with 2000 times of dilutions
The glue spreader neoesterin of solution is with 1% emamectin benzoate (commodity
Name: the emulsible concentration of affirm) dilution can prepare the preparation of predetermined concentration.
(b) handle for independent use fungicide, by with 2 parts of fungicide chemical combination
Thing is molten in 7 parts of dimethyl formamides and 3 parts of polyethylene glycol oxide alkyl phenyl ether mixtures
Separate and use the glue spreader neoesterin aqueous solution of 2000 times of dilutions to dilute this solution system
Prepare agent so that fungicide compound is 1000ppm.
During (c) for emamectin and fungicide mixing use processing, above utilizing
The predetermined concentration of fungicide solution dilution emamectin preparation of (2) dilution of mentioning
Preparation.
(d), only use the glue spreader of dilute solution for control group.
The test crop
10 each rice paddy seed are grown seedling sowing after 6 weeks in the plastic basin of 9 cm diameters of having adorned soil.
The test insect
Larva was with continuous passage between the 2nd larva of the Cnaphalocrosis medinalis that use is cultivated in the laboratory of company casted off a skin for twice.
Processing method
Utilize automatic spraying instrument that the preparation of predetermined concentration is sprayed to rice seedling.After the air drying, downcut the paddy rice leaf and place the wet filter paper of glass plate of 9 cm diameters.5 Cnaphalocrosis medinalis larvas are inoculated on it and paddy rice leaf (test crop) are handled in the mode of handling every 2 days.After 2 days and 7 days, observe how many insect deaths and after 7 days, obtain lethality rate according to the result.2 repetitions of test setting.The results are shown in table 1 and 2.The result
The result of the test of table 1 active compound combinations of the present invention
Test compounds Test compounds concentration (ppm) The lethality rate of Cnaphalocrocis medinalis (%)
??(1)+(2-1) ??0.00256+1000 ??0.00128+1000 ??0.00064+1000 ????100 ????70 ????70
??(1)+(2-2) ??0.00256+1000 ??0.00128+1000 ??0.00064+1000 ????100 ????60 ????60
??(1)+(2-3) ??0.00256+1000 ??0.00128+1000 ??0.00064+1000 ????100 ????100 ????80
??(1)+(2-4) ??0.00256+1000 ??0.00128+1000 ??0.00064+1000 ????100 ????100 ????90
Table 2 comparative test result
Test compounds Test compounds concentration (ppm) The lethality rate of Cnaphalocrocis medinalis (%)
????(1) ????(1) ????(1) ?????0.00256 ?????0.00128 ?????0.00064 ???????90 ???????50 ???????20
????(2-1) ????(2-2) ????(2-3) ????(2-4) ?????1000 ?????1000 ?????1000 ?????1000 ???????0 ???????0 ???????0 ???????0
Contrast ??????-- ???????0
Embodiment 2
Test to the effect of the anti-Cnaphalocrosis medinalis that is applied to plant
Test compounds
(1) emamectin benzene sulfonate
(2-2)carpropamid
(2-4) tricyclazole
Test formulation
(a) handle for independent use emamectin, by water with 2000 times of dilutions
The glue spreader neoesterin of solution is with 1% emamectin benzoate (commodity
Name: the emulsible concentration of affirm) dilution can prepare the preparation of predetermined concentration.
(b) handle for independent use fungicide, with the glue spreader of 2000 times of dilutions
The neoesterin aqueous solution dilutes the carpropamid of this solution dilution 15%
Suspension concentration and the wetting powder of 75% tricyclazole (trade name: BEAM can
Wettable Powder) preparation of preparation predetermined concentration.
During (c) for emamectin and fungicide mixing use processing, the preparation of the concentration that the fungicide solution dilution emamectin preparation of (2) above-mentioned by utilizing dilution is scheduled to.
(d), only use the glue spreader of dilute solution for control group.
The test crop
10 each rice paddy seed are grown seedling sowing after 6 weeks in the plastic basin of 9 cm diameters of having adorned soil.
The test insect
Larva was with continuous passage between the 2nd larva of the Cnaphalocrosis medinalis that use is cultivated in the laboratory of company casted off a skin for twice.
Processing method
Utilize automatic spraying instrument that the preparation of predetermined concentration is sprayed to rice seedling.After the air drying, downcut the paddy rice leaf and place the wet filter paper of glass plate of 9 cm diameters.5 Cnaphalocrosis medinalis larvas are inoculated on it and paddy rice leaf (test crop) are handled in the mode of handling every 2 days.After 4 days, observe how many insect deaths and obtain lethality rate according to the result.3 repetitions are established in test.The results are shown in table 3 and 4.
The test result of table 3 active compound combinations of the present invention
Test compounds Activity component concentration (ppm) The lethality rate of Cnaphalocrocis medinalis (%)
??(1)+(2-2) 0.064+100 0.0128+100 0.00256+100 0.00128+100 0.00064+100 ?????????100 ?????????73 ?????????53 ?????????40 ?????????20
??(1)+(2-4) 0.064+187.5 0.0128+187.5 0.00256+187.5 0.00128+187.5 0.00064+187.5 ?????????93 ?????????87 ?????????47 ?????????13 ?????????0
The test result of table 4 comparative test
Test formulation Activity component concentration (ppm) The lethality rate of Cnaphalocrocis medinalis (%)
??(1) 0.064 0.0128 0.00256 0.00128 0.00064 ????????87 ????????67 ????????13 ????????0 ????????0
(2-2) (2-4) 100 187.5 ????????0 ????????0
Contrast -- ????????0

Claims (7)

1. desinsection and fungicide composite comprise:
A) emamectin or its salt and
B) at least a reactive compound that can control bacterial blight of rice;
Wherein
A) emamectin or its salt with
B) weight ratio that is selected from least a active component of bacterial blight of rice controlling agent is 1: 0.1 to 1: 2,000,000.
2. desinsection according to claim 1 and fungicide composite, the compound that wherein can control bacterial blight of rice is selected from
Carpropamid, and/or
Probenazole and/or
Dichlocimet, and/or
Pyroquilon and/or
Tricyclazole.
3. control bacterial blight of rice and to the method for the harmful insect of paddy rice is characterized in that the composition of claim 1 or 2 is applied to rice plants and/or its habitat.
4. method according to claim 3 is applied to rice plants at seedling rearing room with claim 1 or 2 described compositions.
5. method according to claim 3, just claim 1 or 2 described compositions are applied to rice plants in the rice field.
6. the active substance combination with claim 1 or 2 is used to control bacterial blight of rice and/or the insect harmful to paddy rice.
7. the method for preparing desinsection and fungicide composite is characterized in that the active substance combination of claim 1 or 2 is mixed with swelling agent and/or surfactant.
CN02107095A 2001-03-13 2002-03-13 Novel pesticide and fungicide composition Pending CN1375199A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001070084A JP2002265309A (en) 2001-03-13 2001-03-13 Insecticidal/fungicidal composition
JP70084/01 2001-03-13

Publications (1)

Publication Number Publication Date
CN1375199A true CN1375199A (en) 2002-10-23

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KR (1) KR20020073087A (en)
CN (1) CN1375199A (en)
HK (1) HK1048918A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104855396A (en) * 2015-05-25 2015-08-26 天津市施普乐农药技术发展有限公司 Method for preparing probenazole suspended seed coating agent with water serving as solvent

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4443101B2 (en) * 2002-03-22 2010-03-31 バイエルクロップサイエンス株式会社 Improved agrochemical composition
CN1946294B (en) * 2004-03-16 2011-07-13 辛根塔参与股份公司 Pesticidal composition and method for fungal control
JP4983125B2 (en) * 2006-07-24 2012-07-25 住友化学株式会社 How to control blast disease

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104855396A (en) * 2015-05-25 2015-08-26 天津市施普乐农药技术发展有限公司 Method for preparing probenazole suspended seed coating agent with water serving as solvent

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HK1048918A1 (en) 2003-04-25
JP2002265309A (en) 2002-09-18

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