CN104996450A - Sterilization composite contained with pyribencarb - Google Patents
Sterilization composite contained with pyribencarb Download PDFInfo
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Abstract
The invention relates to sterilization composite contained with pyribencarb. The effective ingredients of the sterilization composite contained with the pyribencarb are pyribencarb (A) and one (B) of pyribencarb, procymidone and dimethachlon. The mass percent of A and B is 100:1 to 1:100. The accumulated mass percentage composition of the effective ingredients in the composite is 5 to 80%. The composite can be prepared to dosage forms like suspending agent, wettable powder, water dispersible granule and the like. The applied sites of the sterilization composite are farmland, orchard and the like, and the sterilization composite is used for preventing and curing gray mold of the crops like vegetables, fruit trees, flowers and the like.
Description
Technical field
The present invention relates to a kind of bactericidal composition, the application of especially a kind of bactericidal composition containing pyrrole bacterium benzene prestige and control corps diseases thereof, belongs to technical field of pesticide.
Background technology
Grape grey mould, also known as Mild Powder, is one of Major Diseases of grape, and pathogen is the pathogen of Botrytis cinerea (Botrytis cinerea), belongs to Deuteromycotina Botrytis fungi.This pathogen main harm inflorescence, young fruit and will mellow fruit.Hypsography low-lying, young sprout excessive growth closing, ventilation and penetrating light is poor, extensive management, weedy, and fertilising is not enough, the vineyard that insect pest is serious, and grape grey mould occurs heavier.Occur because gray mold can spread harm, large area plant usually can be caused dead, and cause production declining, product qualitative change is bad, seriously constrains the development that grape is produced.Drug-resistant mutation is easily there is because ash arrhizus bacteria has abnormal genetic variation potential, the long-term same class chemical bactericide that uses in large quantities can make field pathogen develop immunity to drugs to these chemical agents, the dosage of chemical bactericide is caused sharply to increase, environment is caused simultaneously and pollute significantly, too increase the drug cost of peasant.
Pyrrole bacterium benzene prestige, english common name: pyribencarb, the new type bactericide of Benzylcarbamate structure.By destroying the electron transport system of pathogen cell Mitochondria, hindering pathogen spore germination and after preventing spore-germination, infecting of host being played a role.Good effect is all had to the multiple diseases such as gray mold, stalk break of crops.But the production that pyrrole bacterium benzene prestige is current and use cost all higher, and be used alone for a long time and also have very large resistance risk.
By the pesticide active ingredient Combination application of pyrrole bacterium benzene prestige and other structure type, there is the composition of synergistic effect can not only significantly improve actual preventive effect, reduce dosage and cost, also contribute to delaying germ to develop immunity to drugs, the problem such as resistance and cost in current agricultural chemicals single dose application process can be solved.
Summary of the invention
The object of the present invention is to provide that a kind of new resistance risk is little, cost is low, bactericidal composition that good drug efficacy, lasting period are long.
Inventor is tested and field control effectiveness test by a large amount of indoor bioassay, unexpected finds that any one in pyrrole bacterium benzene prestige and iprodione, procymidone, dimethachlon is with after certain proportion mixture, has significant synergistic effect to diseases such as gray molds.
Iprodione, english common name: iprodione, molecular formula C
13h
13cl
2n
3o
3, dicarboximide class high-efficiency broad spectrum, contact killing type bactericide.Be applicable to prevent and treat the diseases such as crop early defoliation disease, gray mold, early blight such as multiple fruit tree, vegetables, melon and fruit class.Mechanism of action is: Profilin kinases, controls the Intracellular signals of many cell functions, comprises carbohydrate and combines the interference effect entering fungal cell constituents.
Procymidone, english common name: procymidone, molecular formula C
13h
11cl
2nO
2, dicarboximide fungicide, as effective in the grey mold such as rape, cucumber, grape, tomato, stalk break to various crop.Have protection, treatment double action, use safety, the lasting period is longer.
Dimethachlon, english common name: dimetachlone, molecular formula C
10h
7cl
2nO
2, dicarboximide fungicide, can prevent and treat various gray mold, stalk break.
Inventor is on the basis of above-mentioned discovery, through carrying out symphyogenetic quantitative analysis to composition, define technical scheme of the present invention, that is: a kind of bactericidal composition, in composition, in pyrrole bacterium benzene prestige (A) and iprodione, procymidone, dimethachlon, the mass ratio of any one (B) is 100: 1 ~ 1: 100, A and B preferred mass ratios is 30: 1 ~ 1: 30.In composition, active component gross mass percentage composition is 5% ~ 80%.
The present composition can be prepared into any one formulation of applicable agricultural use by known method, good formulation has suspending agent, wetting powder, water dispersible granules etc.These preparations can be prepared by general method, such as, active substance is mixed with liquid flux and/or solid carrier, adds surfactant as emulsifier, dispersant, stabilizing agent, wetting agent simultaneously, adhesive, defoamer, oxidant, dyestuff etc. can also be added.
For suspending agent, spendable dispersant is if polycarboxylate, lignosulfonates are as one or more in lignin sulfonic acid sodium salt, alkylnaphthalene sulfonate; Emulsifier is as one or more in Nongru-700 # (common name alkyl phenol formaldehyde resin polyoxyethylene ether), nekal formaldehyde condensation products, agriculture breast 2201#, this dish-60# (common name sorbitol anhydride monostearate), agriculture breast 1601# (common name triphenoethyl benzene phenol polyoxyethylene polyoxypropylene block polymer), TERSPERSE 4894 (2500); Wetting agent is as one or more in alkylphenol-polyethenoxy base ether formaldehyde condensation products phosphate, the withered powder of tea, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate; Thickener is as one or more in xanthans, polyvinyl alcohol, bentonite; Preservative is as one or more in formaldehyde, benzoic acid, Sodium Benzoate; Defoamer is as organic silicon defoamer; Antifreezing agent is if ethylene glycol, propane diols, glycerine, urea, inorganic salts are as one or more in sodium chloride.
For water dispersible granules, spendable dispersant is as one or more in polycarboxylate, lignosulfonates, NNO4, alkylnaphthalene sulfonate; Wetting agent is as one or more in polyoxyethylene nonylphenol ether, polyoxyethylene alcohol, alkyl sulfate, alkylsulfonate, naphthalene sulfonate; Disintegrant is as one or more in ammonium sulfate, urea, sucrose, glucose; Binding agent is as one or more in diatomite, corn starch, PVA, carboxymethyl (ethyl) cellulose; Filler is as one or more in diatomite, calcium bicarbonate, kaolin, white carbon, talcum powder, potter's clay.
For wetting powder, spendable dispersant is as one or more in polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate; Wetting agent is as one or more in alkyl sulfate, alkylsulfonate, naphthalene sulfonate; Filler is as one or more in ammonium sulfate, urea, sucrose, glucose, diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, potter's clay.
The present composition can provide in finished product preparation form, and namely in composition, each material mixes; The composition of composition also can provide with unit dose preparation, directly mixes in proportion in bucket or tank before using.Concentrate of the present invention usually and water be mixed to get the concentration of required active substance.
Composition of the present invention can be used for control by the fungus-caused important disease of Deuteromycotina Botrytis, is particularly suitable for preventing and treating gray mold.It is farmland, orchard etc. that composition of the present invention uses place.
Composition of the present invention also can have weeding with other, particularly protective fungicide is used in combination for the compound of desinsection or bactericidal property, also can be used in combination with nematocide, protective agent, growth regulator, nutrient for plants or soil conditioner.
The present invention also comprises a kind of method of on-the-spot killing fungus, crop and/or fruit susceptible before or after, composition of the present invention is used in the place to crop and/or fruit and growth or storage.Can use by common method, as cast, injection, spraying, dusting, distribution.Amount of application of the present invention is with weather condition or crop condition change.The duration of protective effect is usually relevant with the content of compound individualized in composition, relevant to extraneous factor, such as weather, but by using suitable formulation to slow down climatic influences.
Composition of the present invention possesses following advantage: one is that composition synergistic effect is obvious, and drug effect significantly improves; Two is that composition drug effect improves, and field rate declines, and reduces production and use cost, reduces residue of pesticide and environmental pollution; Three is that composition is made up of the active ingredient of different mechanism of action, and action site increases, and is conducive to overcoming and delay the drug-fast generation of germ.
Embodiment
After different pesticide active ingredient mixing, usually show three kinds of type of action: summation action, synergistic effect and antagonism.But be specially which kind of effect, unpredictable, only have and just can be known by lot of experiments.Compound synergic is well filled a prescription, and owing to significantly improving actual control efficiency, reduces the usage amount of agricultural chemicals, thus has delayed the drug-fast generation speed of germ widely, is the important means of scientific prevention and cure disease.
Inventors performed a large amount of indoor bioassay tests and field control effectiveness test, to find in pyrrole bacterium benzene prestige and iprodione, procymidone, dimethachlon that any one combines and has significant synergistic function to ash arrhizus bacteria etc., and be not only the simple addition (referring to Assays Example) of two kinds of medicaments.
Assays Example: pyrrole bacterium benzene prestige and iprodione, procymidone, the composite Toxicity Determination to Botrytis cinerea (Botrytis cinerea) of dimethachlon are tested
Test adopts mycelial growth rate method.Get experiment liquid that 5ml prepares to join the hot medium of 45ml (rye medium is housed, 45-50 DEG C) conical flask in, after shaking up, pour rapidly diameter 90mm glass culture dish into, band medicine medium 12ml poured into by each culture dish, each process 4 repetition, horizontal rest, cooling after flat board.Cut bacterium cake with diameter 5mm card punch from the examination bacterium edge that supplies cultivating 7d, the one side with mycelia received on the malicious medium of band with choosing pin, all operations all carries out sterile working at superclean bench.After process, flat board is placed in the constant temperature aseptic culture case of 25 DEG C and cultivates, after 7d, adopt right-angled intersection method to measure the colony diameter of each process respectively, calculate the mean value of each process colony diameter, the average net growth of colony diameter and mycelial growth inhibition rate.
Net growth (mm)=measurement colony diameter-5
Mycelial growth inhibition rate (%)=[(control group net growth-processed group net growth)/control group net growth] × 100
Mycelial growth inhibition rate is converted into probability value (y), and liquor strength (μ g/ml) converts logarithm value (x) to, calculates virulence equation and concentration EC in suppressing with method of least squares
50, toxicity index and the co-toxicity coefficient (CTC) of medicament is calculated according to the abundant method of Sun Yun.
Actual measurement toxicity index (ATI)=(standard agent EC
50/ reagent agent EC
50) × 100
In theoretical toxicity index (TTI)=A medicament toxicity index × mixture A percentage composition+B medicament toxicity index × mixture in the percentage composition of B
Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] × 100.
CTC≤80 are antagonism, and 80 < CTC < 120 are summation action, and CTC >=120 are synergistic effect.
From table 1,2,3 results, in pyrrole bacterium benzene prestige and iprodione, procymidone, dimethachlon, any one is composite, when proportioning is between 100: 1 ~ 1: 100, co-toxicity coefficient is all more than 120, to Botrytis cinerea, there is synergistic effect, especially, time between 30: 1 ~ 1: 30, co-toxicity coefficient is all more than 170.
Table 1 pyrrole bacterium benzene prestige and iprodione are to the isolated test result of Botrytis cinerea
Table 2 pyrrole bacterium benzene prestige and the composite isolated test result to Botrytis cinerea of procymidone
Table 3 pyrrole bacterium benzene prestige and the composite isolated test result to Botrytis cinerea of dimethachlon
Further illustrate the present invention with specific embodiment below, but the present invention is limited to absolutely not these examples.The following stated is only the good embodiment of the present invention, only in order to explain the present invention, therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.In all preparation proportionings, percentage composition is mass percent.
Suspending agents
By formula rate, the ratio of each components such as active component, dispersant, wetting agent, thickener, antifreeze and water in formula is mixed, after grinding or high speed shear, makes suspending agent.
Embodiment 1:30.3% pyrrole bacterium benzene prestige iprodione suspending agent
Pyrrole bacterium benzene prestige 30%, iprodione 0.3%, methyl naphthalene sulfonate formaldehyde condensate (dispersant) 10%, lauryl sodium sulfate (wetting agent) 3%, xanthans (thickener) 2%, bentonite (thickener) 1%, glycerine (antifreeze) 5%, water complements to 100%.
Embodiment 2:15.15% pyrrole bacterium benzene prestige procymidone suspending agent
Pyrrole bacterium benzene prestige 15%, procymidone 0.15%, methyl naphthalene sulfonate formaldehyde condensate (dispersant) 10%, lauryl sodium sulfate (wetting agent) 3%, xanthans (thickener) 2%, bentonite (thickener) 1%, glycerine (antifreeze) 5%, water complements to 100%.
Embodiment 3:15.15% pyrrole bacterium benzene prestige dimethachlon suspending agent
Pyrrole bacterium benzene prestige 15%, dimethachlon 0.15%, methyl naphthalene sulfonate formaldehyde condensate (dispersant) 10%, lauryl sodium sulfate (wetting agent) 3%, xanthans (thickener) 2%, bentonite (thickener) 1%, glycerine (antifreeze) 5%, water complements to 100%.
Embodiment 4:20.2% pyrrole bacterium benzene prestige iprodione suspending agent
Pyrrole bacterium benzene prestige 0.2%, iprodione 20%, polycarboxylate (dispersant) 10%, the withered powder of tea (wetting agent) 3%, polyvinyl alcohol (thickener) 2%, bentonite (thickener) 1%, ethylene glycol (antifreeze) 5%, water complements to 100%.
Embodiment 5:10.1% pyrrole bacterium benzene prestige procymidone suspending agent
Pyrrole bacterium benzene prestige 0.1%, procymidone 10%, polycarboxylate (dispersant) 10%, the withered powder of tea (wetting agent) 3%, polyvinyl alcohol (thickener) 2%, bentonite (thickener) 1%, ethylene glycol (antifreeze) 5%, water complements to 100%.
Embodiment 6:10.1% pyrrole bacterium benzene prestige dimethachlon suspending agent
Pyrrole bacterium benzene prestige 0.1%, dimethachlon 10%, polycarboxylate (dispersant) 10%, the withered powder of tea (wetting agent) 3%, polyvinyl alcohol (thickener) 2%, bentonite (thickener) 1%, ethylene glycol (antifreeze) 5%, water complements to 100%.
Embodiment 7:5% pyrrole bacterium benzene prestige iprodione suspending agent
Pyrrole bacterium benzene prestige 3%, iprodione 2%, methyl naphthalene sulfonate formaldehyde condensate (dispersant) 10%, lauryl sodium sulfate (wetting agent) 3%, xanthans (thickener) 2%, bentonite (thickener) 1%, urea (antifreeze) 5%, water complements to 100%.
Embodiment 8:5% pyrrole bacterium benzene prestige procymidone suspending agent
Pyrrole bacterium benzene prestige 2%, procymidone 3%, methyl naphthalene sulfonate formaldehyde condensate (dispersant) 10%, lauryl sodium sulfate (wetting agent) 3%, xanthans (thickener) 2%, bentonite (thickener) 1%, urea (antifreeze) 5%, water complements to 100%.
Embodiment 9:5% pyrrole bacterium benzene prestige dimethachlon suspending agent
Pyrrole bacterium benzene prestige 2%, dimethachlon 3%, methyl naphthalene sulfonate formaldehyde condensate (dispersant) 10%, lauryl sodium sulfate (wetting agent) 3%, xanthans (thickener) 2%, bentonite (thickener) 1%, urea (antifreeze) 5%, water complements to 100%.
Embodiment 10:15.5% pyrrole bacterium benzene prestige iprodione suspending agent
Pyrrole bacterium benzene prestige 15%, iprodione 0.5%, polycarboxylate (dispersant) 10%, the withered powder of tea (wetting agent) 3%, polyvinyl alcohol (thickener) 2%, bentonite (thickener) 1%, propane diols (antifreeze) 5%, water complements to 100%.
Embodiment 11:15.5% pyrrole bacterium benzene prestige procymidone suspending agent
Pyrrole bacterium benzene prestige 15%, procymidone 0.5%, polycarboxylate (dispersant) 10%, the withered powder of tea (wetting agent) 3%, polyvinyl alcohol (thickener) 2%, bentonite (thickener) 1%, propane diols (antifreeze) 5%, water complements to 100%.
Embodiment 12:15.5% pyrrole bacterium benzene prestige dimethachlon suspending agent
Pyrrole bacterium benzene prestige 15%, dimethachlon 0.5%, polycarboxylate (dispersant) 10%, the withered powder of tea (wetting agent) 3%, polyvinyl alcohol (thickener) 2%, bentonite (thickener) 1%, propane diols (antifreeze) 5%, water complements to 100%.
Wetting powder example
Pesticide activity component, auxiliary agent, filler are mixed in proportion after air-flow crushing, mixes obtained wetting powder again.Capital equipment: mixer, airslide disintegrating mill.
Embodiment 13:80% pyrrole bacterium benzene prestige iprodione wettable powder
Pyrrole bacterium benzene prestige 50%, iprodione 30%, lauryl sodium sulfate (wetting agent) 2%, sodium lignin sulfonate (dispersant) 3%, White Carbon black 10% (filler), kaolin complements to 100%.
Embodiment 14:80% pyrrole bacterium benzene prestige procymidone wetting powder
Pyrrole bacterium benzene prestige 30%, procymidone 50%, lauryl sodium sulfate (wetting agent) 2%, sodium lignin sulfonate (dispersant) 3%, White Carbon black 10% (filler), kaolin complements to 100%.
Embodiment 15:80% pyrrole bacterium benzene prestige dimethachlon wetting powder
Pyrrole bacterium benzene prestige 30%, dimethachlon 50%, lauryl sodium sulfate (wetting agent) 2%, sodium lignin sulfonate (dispersant) 3%, White Carbon black 10% (filler), kaolin complements to 100%.
Embodiment 16:31% pyrrole bacterium benzene prestige iprodione wettable powder
Pyrrole bacterium benzene prestige 1%, iprodione 30%, alkyl sulfate (wetting agent) 3%, polycarboxylate (dispersant) 3%, White Carbon black (filler) 11%, bentonite complements to 100%.
Embodiment 17:31% pyrrole bacterium benzene prestige procymidone wetting powder
Pyrrole bacterium benzene prestige 1%, procymidone 30%, alkyl sulfate (wetting agent) 3%, polycarboxylate (dispersant) 3%, White Carbon black (filler) 11%, bentonite complements to 100%.
Embodiment 18:31% pyrrole bacterium benzene prestige dimethachlon wetting powder
Pyrrole bacterium benzene prestige 1%, dimethachlon 30%, alkyl sulfate (wetting agent) 3%, polycarboxylate (dispersant) 3%, White Carbon black (filler) 11%, bentonite complements to 100%.
Embodiment 19:70% pyrrole bacterium benzene prestige iprodione wettable powder
Pyrrole bacterium benzene prestige 35%, iprodione 35%, alkylsulfonate (wetting agent) 3%, sodium lignin sulfonate (dispersant) 3%, White Carbon black (filler) 11%, potter's clay complements to 100%.
Embodiment 20:70% pyrrole bacterium benzene prestige procymidone wetting powder
Pyrrole bacterium benzene prestige 35%, procymidone 35%, alkylsulfonate (wetting agent) 3%, sodium lignin sulfonate (dispersant) 3%, White Carbon black (filler) 11%, potter's clay complements to 100%.
Embodiment 21:70% pyrrole bacterium benzene prestige dimethachlon wetting powder
Pyrrole bacterium benzene prestige 35%, dimethachlon 35%, alkylsulfonate (wetting agent) 3%, sodium lignin sulfonate (dispersant) 3%, White Carbon black (filler) 11%, potter's clay complements to 100%.
Water dispersible granules example
By formula rate, former medicine and powder carrier, moistening spreader-sticker and binding agent etc. are carried out co-grinding, then after the kneading that adds water, add in the comminutor that certain specification screen cloth is housed and carry out granulation.And then drying, screening (by screen cloth scope) namely obtain granular product.
Embodiment 22:15.5% pyrrole bacterium benzene prestige iprodione water dispersible granules
Pyrrole bacterium benzene prestige 0.5%, iprodione 15%, polycarboxylate (dispersant) 5%, sodium lignin sulfonate (dispersant) 7%, lauryl sodium sulfate (wetting agent) 2%, ammonium sulfate (disintegrant) 5%, precipitated calcium carbonate complements to 100%.
Embodiment 23:15.5% pyrrole bacterium benzene prestige procymidone water dispersible granules
Pyrrole bacterium benzene prestige 0.5%, procymidone 15%, polycarboxylate (dispersant) 5%, sodium lignin sulfonate (dispersant) 7%, lauryl sodium sulfate (wetting agent) 2%, ammonium sulfate (disintegrant) 5%, precipitated calcium carbonate complements to 100%.
Embodiment 24:15.5% pyrrole bacterium benzene prestige dimethachlon water dispersible granules
Pyrrole bacterium benzene prestige 0.5%, dimethachlon 15%, polycarboxylate (dispersant) 5%, sodium lignin sulfonate (dispersant) 7%, lauryl sodium sulfate (wetting agent) 2%, ammonium sulfate (disintegrant) 5%, precipitated calcium carbonate complements to 100%.
Embodiment 25:40% pyrrole bacterium benzene prestige iprodione water dispersible granules
Pyrrole bacterium benzene prestige 20%, iprodione 20%, Negel (dispersant) 5%, sodium lignin sulfonate (dispersant) 7%, lauryl sodium sulfate (wetting agent) 2%, urea (disintegrant) 5%, precipitated calcium carbonate complements to 100%.
Embodiment 26:40% pyrrole bacterium benzene prestige procymidone water dispersible granules
Pyrrole bacterium benzene prestige 20%, procymidone 20%, Negel (dispersant) 5%, sodium lignin sulfonate (dispersant) 7%, lauryl sodium sulfate (wetting agent) 2%, urea (disintegrant) 5%, precipitated calcium carbonate complements to 100%.
Embodiment 27:40% pyrrole bacterium benzene prestige dimethachlon water dispersible granules
Pyrrole bacterium benzene prestige 20%, dimethachlon 20%, Negel (dispersant) 5%, sodium lignin sulfonate (dispersant) 7%, lauryl sodium sulfate (wetting agent) 2%, urea (disintegrant) 5%, precipitated calcium carbonate complements to 100%.
Field information embodiment 1: pyrrole bacterium benzene prestige and iprodione are to the field control effectiveness test of grape grey mould
Test and carry out in yueyang, hunan grape base, this vineland gray mold occurs throughout the year.The group arrangement of each process random district, every 5 strain grapes are a community, and plot area is about 20m
2, repeat 4 times.Adopt spray-on process 6d, just fruit phase, each dispenser of fruiting period 1 time (interval 7-10d) before grape is bloomed, amount of liquid medicine 1125L/hm
2.Before 2nd dispenser, 10d investigation total fruit number and sick fruit number after last dispenser.Investigation method and disease scale, with reference to " test of pesticide effectiveness criterion () is asked in agricultural chemicals field " standard, calculate preventive effect.
In formula: CK
0diseased fruit rate (disease index) before the dispenser of-blank district
CK
1diseased fruit rate (disease index) after the dispenser of-blank district
PT
0diseased fruit rate (disease index) before the dispenser of-chemicals treatment district
PT
1diseased fruit rate (disease index) after the dispenser of-chemicals treatment district
Results and analysis
As can be seen from Table 4: pyrrole bacterium benzene prestige, the preventive effect of each single dose of iprodione to grape grey mould be respectively 76.8% and 72.2%, and embodiment of the present invention bactericidal composition is all significantly increased in preventive effect, minimum preventive effect is 86.9%, has been up to 93.7%.The result of field trial fully shows, has significant synergistic function after pyrrole bacterium benzene prestige and iprodione to grape grey mould, and when effective ingredient consumption reduces, control efficiency significantly improves.Therefore, the present composition have reduce costs, the beneficial effect of delaying drug resistance, minimizing spraying times and residue of pesticide.
Table 4 pyrrole bacterium benzene prestige and iprodione are to the field test results of grape grey mould
Field information embodiment 2: pyrrole bacterium benzene prestige and the composite field control effectiveness test to grape grey mould of procymidone
Test and carry out in Jinhua, Zhejiang grape base, this vineland gray mold occurs throughout the year.Test method and investigation method are with Field information embodiment 1.
As can be seen from Table 5: pyrrole bacterium benzene prestige, the preventive effect of each single dose of procymidone to grape grey mould are respectively 75.1% and 71.2%, and embodiment of the present invention bactericidal composition is all significantly increased in preventive effect, and minimum preventive effect is 87.3%, has been up to 92.5%.The result of field trial fully shows, pyrrole bacterium benzene prestige and procymidone is composite has significant synergistic function to grape grey mould afterwards, and when effective ingredient consumption reduces, control efficiency significantly improves.Therefore, the present composition have reduce costs, the beneficial effect of delaying drug resistance, minimizing spraying times and residue of pesticide.
Table 5 pyrrole bacterium benzene prestige and the composite field test results to grape grey mould of procymidone
Field information embodiment 3: pyrrole bacterium benzene prestige and the composite field control effectiveness test to grape grey mould of dimethachlon
Test and carry out in Guilin grape base, this vineland gray mold occurs throughout the year.Test method and investigation method are with Field information embodiment 1.
As can be seen from Table 6: pyrrole bacterium benzene prestige, the preventive effect of each single dose of dimethachlon to grape grey mould are respectively 74.3% and 69.7%, and embodiment of the present invention bactericidal composition is all significantly increased in preventive effect, and minimum preventive effect is 87.4%, has been up to 91.9%.The result of field trial fully shows, pyrrole bacterium benzene prestige and dimethachlon is composite has significant synergistic function to grape grey mould afterwards, and when effective ingredient consumption reduces, control efficiency significantly improves.Therefore, the present composition have reduce costs, the beneficial effect of delaying drug resistance, minimizing spraying times and residue of pesticide.
Table 6 pyrrole bacterium benzene prestige and the composite field test results to grape grey mould of dimethachlon
Claims (5)
1. a bactericidal composition, is characterized in that: active ingredient is A and B, A is pyrrole bacterium benzene prestige, and B is any one in iprodione, procymidone, dimethachlon, and the mass ratio of A and B is 100: 1 ~ 1: 100.
2. bactericidal composition according to claim 1, is characterized in that: the mass ratio of effective constituents A and B is 30: 1 ~ 1: 30.
3. bactericidal composition according to claim 1, is characterized in that: in composition, active ingredient mass accumulation percentage composition is 5% ~ 80%.
4. the bactericidal composition according to claims 1 to 3 any one, is characterized in that: composition can prepare any formulation, and good formulation has suspending agent, wetting powder, water dispersible granules.
5. bactericidal composition according to claim 1 is for preventing and treating the purposes of gray mold.
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| CN108289451A (en) * | 2015-11-30 | 2018-07-17 | 组合化学工业株式会社 | Composition pesticide and its distributing method |
| CN108289452A (en) * | 2015-11-30 | 2018-07-17 | 组合化学工业株式会社 | Aqueous suspension composition pesticide and its distributing method |
| CN111713491A (en) * | 2020-07-27 | 2020-09-29 | 江西禾益化工股份有限公司 | Dimethachlon suspending agent and preparation method thereof |
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| CN108289451A (en) * | 2015-11-30 | 2018-07-17 | 组合化学工业株式会社 | Composition pesticide and its distributing method |
| CN108289452A (en) * | 2015-11-30 | 2018-07-17 | 组合化学工业株式会社 | Aqueous suspension composition pesticide and its distributing method |
| EP3384773A4 (en) * | 2015-11-30 | 2019-04-24 | Kumiai Chemical Industry Co., Ltd. | Aqueous agrochemical suspension composition and dispersal method therefor |
| EP3384774A4 (en) * | 2015-11-30 | 2019-05-22 | Kumiai Chemical Industry Co., Ltd. | Agrochemical composition and dispersal method therefor |
| US10440949B2 (en) | 2015-11-30 | 2019-10-15 | Kumiai Chemical Industry Co., Ltd. | Aqueous agrochemical suspension composition and dispersal method therefor |
| CN108289451B (en) * | 2015-11-30 | 2020-02-07 | 组合化学工业株式会社 | Pesticide composition and method for spreading the same |
| US10653147B2 (en) | 2015-11-30 | 2020-05-19 | Kumiai Chemical Industry Co., Ltd. | Agrochemical composition and dispersal method therefor |
| US11406105B2 (en) | 2015-11-30 | 2022-08-09 | Kumiai Chemical Industry Co., Ltd. | Agrochemical composition and dispersal method therefor |
| CN115885983A (en) * | 2015-11-30 | 2023-04-04 | 组合化学工业株式会社 | Aqueous suspension pesticide composition and method for spreading the same |
| CN111713491A (en) * | 2020-07-27 | 2020-09-29 | 江西禾益化工股份有限公司 | Dimethachlon suspending agent and preparation method thereof |
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