CN108849947A - A kind of bactericidal composition and its application containing folpet and isopyrazam - Google Patents

A kind of bactericidal composition and its application containing folpet and isopyrazam Download PDF

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Publication number
CN108849947A
CN108849947A CN201710331673.9A CN201710331673A CN108849947A CN 108849947 A CN108849947 A CN 108849947A CN 201710331673 A CN201710331673 A CN 201710331673A CN 108849947 A CN108849947 A CN 108849947A
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China
Prior art keywords
isopyrazam
folpet
agent
bactericidal composition
weight ratio
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CN201710331673.9A
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Chinese (zh)
Inventor
夏衍
李文欧
李治伟
王斯研
殷素侠
彭军
刘世勇
吴光辉
王世银
蔡丹群
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Guangdong Guangkang Biochemical Polytron Technologies Inc
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Guangdong Guangkang Biochemical Polytron Technologies Inc
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Priority to CN201710331673.9A priority Critical patent/CN108849947A/en
Publication of CN108849947A publication Critical patent/CN108849947A/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
    • A01N47/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/02Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having no bond to a nitrogen atom
    • A01N47/04Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having no bond to a nitrogen atom containing >N—S—C≡(Hal)3 groups
    • 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
    • A01N43/48Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/561,2-Diazoles; Hydrogenated 1,2-diazoles

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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

The invention discloses a kind of bactericidal composition containing folpet and isopyrazam and its applications.The bactericidal composition is using folpet and isopyrazam as principle active component, and wherein folpet and the mass ratio of isopyrazam are 1~50: 50~1.The bactericidal composition can be applied to prevention and treatment cereal crop and vegetables fruit diseases, and synergistic function with higher, overcome and delayed the drug resistance of germ, sterilization speed is fast, the lasting period is longer, reduces application cost, and control efficiency is substantially better than the use of its single dose.The present invention can be used for preventing and treating the fungal disease on crops, it is particularly possible to which, for preventing and treating the downy mildew and epidemic disease of fruits and vegetables, control efficiency is better than single dose.

Description

A kind of bactericidal composition and its application containing folpet and isopyrazam
Technical field
The present invention relates to disinfectant use in agriculture fields, specifically, being related to a kind of sterilization containing folpet and isopyrazam Agent composition and its application.Be mainly used for preventing and treating melon and fruit class downy mildew and epidemic disease, especially cucumber downy mildew, downy mildew of garpe, Tomato blight, potato blight, watermelon epidemic disease.
Background technique
Folpet(Folpet)Also known as Folpat, Fu Erpei, CAS registration number are:133-07-3, its chemical name is N- (trichloro-methylthio) phthalimide or N- (trichloro-methylthio) phthalimide, molecular formula C9H4Cl3NO2S, molecular weight It is 296.56.For broad spectrum protection fungicide, mainly prevent and treat the multiple diseases such as grain and oil crop, vegetables, fruit tree as rice sheath blight disease, Rice blast, anthracnose of tobacco, leaf spot of peanut, sclerotinia sclerotiorum, the late blight of potato, downy mildew of cucurbits, to crop safety.
Isopyrazam(Isopyrazam)The succinate dehydrogenase inhibitors researched and developed by Syngenta Co., Ltd(SDHI), also for Pyrazol acid amide fungicide, contains 4 optical isomers, and CAS registration number is:881685-58-1, chemical molecular formula: C20H23F2N3O, molecular weight are:359.41.Isopyrazam is respiration inhibitor, and pathogen mitochondrial inner membrane is inhibited to power on Succinate dehydrogenase reductase in sub- transfer chain(Complex II, succinate dehydrogenase)Effect so that Disease fungus can not generate energy via respiration, and then prevent the growth of germ.Isopyrazam activity profile is wide, the lasting period It is long, there is protection and therapeutic effect, can effectively prevent wheat, rice, peanut, grape, vegetables, potato, banana, lemon, Disease on coffee, fruit tree, walnut, tea tree, tobacco and ornamental plant, lawn and other field crops.The substance not only toxicity It is low, to non-target organism safety, and also it is friendly to user and environment safety.
In recent years, because long-term a large amount of uses of chemical pesticide, cause applications of pesticide dosage to continue to increase, pesticide drug resistance is asked Topic protrudes.Wherein folpet service life is longer, currently exists more serious pesticide resistance problems.For it is quick, low at This solves the problems, such as this, and agriculture chemical compounding is a kind of effective method.And isopyrazam is the new of release in Syngenta 2010 Fungicide, not only activity profile is wide, holding effect is long, also has the function of protecting and treat;It is existing at present much with other agriculture chemical compoundings Research, such as application No. is:The patent of invention of CN201310166549.3 is related to isopyrazam and methoxyl group propylene The composition of esters of gallic acid various sterilization agent;The patent of invention of CN201310168824.5 is related to isopyrazam and nonyl bacterium ketone Bactericidal composition;The patent of invention of CN201210590878.6 is related to the Bactericidal composite of isopyrazam and trifloxystrobin Object;Etc. a variety of complex compositions research and use.But there has been no the researchs of isopyrazam and folpet complex composition And invention, the present invention have apparent synergistic effect, reduce medication by mixing both effective components with different proportions It measures, reduce the advantages that cost, protection environment.Phytopathogen can also be avoided to generate the speed that resistance or delaying drug resistance generate simultaneously Degree is to solve current pesticide to be applied alone resistance and one kind of cost problem effectively and quick way.
Summary of the invention
The purpose of the present invention is to provide a kind of wide sterilization spectrum, to the effective microbicide compositions of control of plant disease With preparation and its application.
The present invention provides a kind of microbicide compositions, which is characterized in that the active constituent of the microbicide compositions includes Folpet and isopyrazam.Wherein the weight ratio of the folpet and isopyrazam is 1: 50~50: 1, preferably folpet Weight ratio with isopyrazam is 1: 15~15: 1;The weight ratio of more preferable folpet and isopyrazam is 1: 5~5: 1.
The present invention also provides the preparations as prepared by above-mentioned microbicide compositions, wherein the dosage form of the preparation includes Water dispersible granules, missible oil, aqueous emulsion, microemulsion, aqueous suspension agent, oil-suspending agent, microcapsule suspending agent, wettable powder or solvable Property granula, seed coat agent.Further preferably it is prepared as water dispersible granules, aqueous suspension agent and aqueous emulsion.
The present invention also provides the preparation as prepared by above-mentioned microbicide compositions in further include agricultural agent, the auxiliary agent Selected from one of emulsifier, wetting agent, dispersing agent, antifreezing agent, solvent, cosolvent, thickener, defoaming agent, carrier or a variety of. Content of the auxiliary agent in microbicide compositions is 10-90%, further preferred 20-80%.Microbicide compositions of the invention In preparation, content of the active constituent in microbicide compositions preparation can change in very large range, specifically, the work Property ingredient content in the composition be 10-90 %, further preferably 20-80%.
The emulsifier can be various emulsifiers conventional in pesticidal preparations, and specifically, which can be 12 Alkyl sulfonic acid calcium, polyoxyethylene fatty acid ester, phenethyl phenol polyethenoxy ether, alkyl polyoxyethylene ether, aliphatic alcohol polyethenoxy Ether, castor oil polyoxyethylene ether, polyoxyethylene alkyl phenyl ether, formaline condensates polyoxyethylene, oxypropylene block are poly- Close object ether, polyoxyethylene diphenyl ether, alkyl phenol polyoxyethylene ether, alkyl phenyl polyethylene oxides, polyoxypropylene block polymer One of ether etc. is a variety of.
The dispersing agent can be various dispersing agents conventional in pesticidal preparations, and specifically, which is alkylnaphthalene sulphur Hydrochlorate, alkamide taurine salt, naphthalene sulfonate, lignosulfonates, polycarboxylate salt dispersant, Sodium Polyacrylate, methylene One of double sodium naphthalene sulfonates, the sodium salt of alkyl naphthalene sulfonic acid condensation polymer and alkyl naphthalene sulfonic acid yuban are a variety of.
The wetting agent can be various wetting agents conventional in pesticidal preparations, and specifically, which can be 12 Sodium alkyl sulfate, dodecyl benzene sulfonic acid, sodium lignin sulfonate, fatty alcohol polyglycol ether sulfate and alkylnaphthalene sulfonate with One of mixture of anion wetting agent is a variety of.
The cosolvent can be various cosolvents conventional in pesticidal preparations, and specifically, which can be toluene, two One of toluene, solvent naphtha, ethyl acetate, acetone, vegetable oil are a variety of.
The antifreezing agent can be preferably for conventional various antifreezing agents in pesticidal preparations, the present invention ethylene glycol, propylene glycol, One of glycerol sorbierite and urea are a variety of.
The thickener can be various thickeners conventional in pesticidal preparations, and specifically, which can be xanthan Glue, polyvinyl alcohol, POLYPROPYLENE GLYCOL, polyethylene glycol, white carbon black, diatomite, kaolin, clay, sodium alginate, aluminum magnesium silicate, silicon One of sour aluminium sodium, carboxymethyl cellulose, hydroxypropyl cellulose sodium and organobentonite are a variety of.
The carrier can be various carriers conventional in pesticidal preparations, specifically, such as:White carbon black, kaolin, diatom Soil, clay, talcum, organobentonite, titanium dioxide, dextrin, cellulose powder, precipitated calcium carbonate, soluble starch, urea, Portugal One of grape sugar, sucrose are a variety of.
The defoaming agent can be various defoaming agents conventional in pesticidal preparations, and the present invention is preferably organosiloxane, phosphorus One of sour tributyl and silicone are a variety of.
The present invention also provides the application of above-mentioned composition and/or preparation in terms of controlling plant diseases.Further, institute Stating plant disease includes but is not limited to speckled leaf blotch, rust, net blotch, the operatic circle scab, powdery mildew, vegetables powdery mildew, oil Dish sclerotiniose, the late blight of potato, downy mildew of cucurbits;The preferably downy mildew and epidemic disease of fruits and vegetables class.
The present inventor is found surprisingly that, folpet and isopyrazam are used in compounding, and there is obviously collaboration to increase Effect effect, significantly improves the control efficiency of fungus-caused plant disease, and can expand fungicidal spectrum to a certain extent.
Microbicide compositions of the invention have the following advantages that:
Folpet and isopyrazam compound within a certain ratio range shows fabulous synergistic effect, obvious compared with single dose Bactericidal effect is improved, to reduce the usage amount of fungicide, while reducing peasant's drug cost, is reduced to environment Influence.
Specific embodiment
One, indoor biometrics are tested
Experimental example 1
Subjects:Cucumber downy mildew
Method measurement is cut out using basin, it is spare when cucumber seedling length to four leaf stage.Chemicals treatment sets 10 groups(One proportion is one group), Every group sets 3 repetitions, and each 4 basin of repetition, clear water is control group.100mL is prepared and be diluted to the medicament of different ratio, uses respectively Make composition spray foliar spray processing cucumber seedling, every basin spray amount is 10mL, and medicament is put into suitable after being completely dried after blade face It is grown in environment.Chemicals treatment is inoculated with activated germ afterwards for 24 hours(Using spray inoculation method, spore concentration is 2 × 106A/ ML is squirted wet to blade face), progress patient's condition investigation in 8 days after inoculation.
Mode of application determines to use co-toxicity coefficient (CTC) method.The calculation formula of co-toxicity coefficient is as follows:
Survey toxicity index (ATI)=(standard agent EC50/ reagent agent EC50)×100
The percentage of B contains in percentage composition+B medicament ATI × mixture of A in theoretical toxicity index (TTI)=A medicament ATI × mixture Amount
Co-toxicity coefficient (CTC)=[mixture surveys toxicity index (ATI)/mixtures theoretical toxicity index (TTI)] × 100
The co-toxicity coefficient of compound preparation(CTC)>=120, then composition shows as synergistic effect;When CTC≤80, then composition table It is now antagonism, as 80 < CTC < 120, then composition shows as summation action.
The results are shown in Table 1:
Test result shows that folpet and pyrazole naphthalene bacteria ester have synergistic effect to cucumber downy mildew within a certain ratio range, Proportion is 1:15~15:When between 1, co-toxicity coefficient is all 120.0 or more, optimum ratio 5:1.
2 experimental subjects of experimental example:Tomato blight
Experimental method equally uses pot-culture method, and specific method step is referring to experiment 1.See Table 2 for details for The Toxicity Determination result:
Test result shows that folpet and pyrazole naphthalene bacteria ester have synergistic effect to tomato blight within a certain ratio range, matches Than 1:15~15:When between 1, co-toxicity coefficient is all 120.0 or more, optimum ratio 1:5.
Two, example of formulations
1 15% folpet isopyrazam aqueous emulsion of embodiment
Folpet 12.5g, isopyrazam 2.5g, phenethyl phenol polyethenoxy ether 6g, castor oil polyoxyethylene ether 2g, solvent naphtha 7g, glycerine 2g, adds water to 100g, and above-mentioned raw materials are routinely prepared and are mixed in the method investment mixing kettle of aqueous emulsion, are made Principle active component weight percentage is 15% folpet isopyrazam aqueous emulsion.
2 20% folpet isopyrazam wettable powder of embodiment
Folpet 18.7g, isopyrazam 1.3g, neopelex 3g, sodium lignin sulfonate 3g, white carbon black 3g add Add kaolin to 100g, mixture carries out air-flow crushing and principle active component weight percentage is made to be 20% wettable powder.
3 40% folpet isopyrazam aqueous emulsion of embodiment
Folpet 2.5g, isopyrazam 37.5g, phenethyl phenol polyethenoxy ether 10g, castor oil polyoxyethylene ether 3g, solvent Oily 10g, glycerine 2g, adds water to 100g, and above-mentioned raw materials are routinely prepared and are mixed in the method investment mixing kettle of aqueous emulsion, are made It is 40% folpet isopyrazam aqueous emulsion at principle active component weight percentage.
4 50% folpet isopyrazam suspending agent of embodiment
Folpet 49g, isopyrazam 1g, polyoxyethylene poly-oxygen propylene aether sulfate 4g, xanthan gum 0.15g, ethylene glycol 5g, Silicon oxidative ethane 0.10g, aluminium-magnesium silicate 0.5g complement to 100g with water, and effective Ingredients Weight hundred is made under the action of sand mill Dividing content is 50% folpet isopyrazam suspending agent.
5 60% folpet isopyrazam suspending agent of embodiment
Folpet 10g, isopyrazam 50g, polyoxyethylene poly-oxygen propylene aether sulfate 4g, xanthan gum 0.15g, ethylene glycol 5g, Silicon oxidative ethane 0.10g, aluminium-magnesium silicate 0.5g complement to 100g with water, and effective Ingredients Weight hundred is made under the action of sand mill Dividing content is 60% folpet isopyrazam suspending agent.
6 60% folpet isopyrazam wettable powder of embodiment
Folpet 58g, isopyrazam 2g, neopelex 6g, sodium lignin sulfonate 5g, white carbon black 10g, kaolin To 100g, mixture carries out air-flow crushing and principle active component weight percentage is made to be 60% folpet isopyrazam Wettable powder.
7 80% folpet isopyrazam wettable powder of embodiment
Folpet 1.6g, isopyrazam 78.4g, neopelex 2g, sodium lignin sulfonate 5g, white carbon black 3g are high To 100g, mixture carries out air-flow crushing and principle active component weight percentage is made to be 80% folpet pyrazole naphthalene ridge soil Bacterium amine wettable powder.
8 90% folpet isopyrazam wettable powder of embodiment
Folpet 3g, isopyrazam 87g, lauryl sodium sulfate 2g, mersolates 3g, white carbon black 3g, kaolin is extremely 100g, mixture carry out air-flow crushing and principle active component weight percentage are made to be that 90% folpet isopyrazam can Wet powder.
Three, field control effectiveness test
Experimental subjects:Cucumber downy mildew, early blight of tomato, watermelon epidemic disease.
Experimental method:Test medicine and dosage are shown in Table 3, and every 4 experimental fields of processing repeat, each experimental field area 20m2。 Carry out first time application in the early stages of disease, even spraying is sprayed onto until blade will drip, using clear water processing as blank pair According to.Second of medicine is applied after 7 days, each dosage effective component is: 15mg/m2,.Before first time medicine and after second of medicine 7d investigates the incidence of plant, calculates disease severity and preventive effect.Criterion is tested according to pesticide field efficacy(One)To calculate Each processing disease index and control efficiency.Specific preventive effect the results are shown in Table 3.
Field trial the result shows that, folpet and isopyrazam are early to cucumber downy mildew, tomato after certain proportion compounding The control efficiency of epidemic disease and watermelon epidemic disease is better than the control efficiency of single dose, has synergistic function.When proportion is 1:20~5: When 1, control efficiency is optimal, hence it is evident that better than the use of single dose.

Claims (9)

1. a kind of composite synergistic bactericidal composition containing folpet and isopyrazam, it is characterised in that the bactericidal composition Active constituent be folpet and isopyrazam.
2. the composite synergistic bactericidal composition of folpet according to claim 1 and isopyrazam, it is characterised in that go out The weight ratio of bacterium pellet and isopyrazam is 1: 50~50: 1.
3. the composite synergistic bactericidal composition of folpet according to claim 2 and isopyrazam, it is characterised in that go out The weight ratio of bacterium pellet and isopyrazam is 1: 30~30: 1.
4. the composite synergistic bactericidal composition of folpet according to claim 3 and isopyrazam, it is characterised in that go out The weight ratio of bacterium pellet and isopyrazam is 1: 15~15: 1.
5. the composite synergistic bactericidal composition of folpet according to claim 4 and isopyrazam, it is characterised in that go out The weight ratio of bacterium pellet and isopyrazam is 1: 5~5: 1.
6. microbicide compositions described in -5 any one according to claim 1, wherein further include agricultural agent, the auxiliary agent choosing One of self-emulsifier, wetting agent, dispersing agent, antifreezing agent, solvent, cosolvent, thickener, defoaming agent, carrier are a variety of;Institute Stating content of the auxiliary agent in microbicide compositions is 10-90 %.
7. microbicide compositions described in -5 any one according to claim 1, it is characterised in that the active constituent is being sterilized Content in agent composition is 10-90 %.
8. preparation prepared by the microbicide compositions as described in claim 1-7 any one, it is characterised in that the preparation Dosage form be water dispersible granules, missible oil, aqueous emulsion, microemulsion, aqueous suspension agent, oil-suspending agent, wettable powder, soluble grain Agent, seed coat agent;Further preferably water dispersible granules, aqueous suspension agent and aqueous emulsion.
9. application of the preparation described in claim 8 in terms of preventing and treating fungus-caused plant disease is mainly used for preventing and treating tobacco charcoal Subcutaneous ulcer disease, leaf spot of peanut, sclerotinia sclerotiorum, the late blight of potato, downy mildew of cucurbits.
CN201710331673.9A 2017-05-12 2017-05-12 A kind of bactericidal composition and its application containing folpet and isopyrazam Pending CN108849947A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108157381A (en) * 2018-03-14 2018-06-15 广东广康生化科技股份有限公司 Bactericidal composition containing captan and isopyrazam
WO2020141512A1 (en) 2018-12-31 2020-07-09 Adama Makhteshim Ltd. Fungicidal mixture

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1229580A (en) * 1998-01-27 1999-09-29 罗姆和哈斯公司 Fungicidal compositions containing N-acetonylbenzamides
CN103891725A (en) * 2012-12-31 2014-07-02 江苏丰登农药有限公司 Bactericidal composition containing isopyrazam and kresoxim-methyl and application thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1229580A (en) * 1998-01-27 1999-09-29 罗姆和哈斯公司 Fungicidal compositions containing N-acetonylbenzamides
CN103891725A (en) * 2012-12-31 2014-07-02 江苏丰登农药有限公司 Bactericidal composition containing isopyrazam and kresoxim-methyl and application thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108157381A (en) * 2018-03-14 2018-06-15 广东广康生化科技股份有限公司 Bactericidal composition containing captan and isopyrazam
WO2020141512A1 (en) 2018-12-31 2020-07-09 Adama Makhteshim Ltd. Fungicidal mixture
EP3905883B1 (en) * 2018-12-31 2024-03-27 Adama Makhteshim Ltd. Fungicidal mixture
EP4356735A3 (en) * 2018-12-31 2024-07-03 Adama Makhteshim Ltd. Fungicidal mixture

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Application publication date: 20181123