CN103300027A - Bactericidal composition containing fenhexamid - Google Patents
Bactericidal composition containing fenhexamid Download PDFInfo
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- CN103300027A CN103300027A CN2012100709964A CN201210070996A CN103300027A CN 103300027 A CN103300027 A CN 103300027A CN 2012100709964 A CN2012100709964 A CN 2012100709964A CN 201210070996 A CN201210070996 A CN 201210070996A CN 103300027 A CN103300027 A CN 103300027A
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- fenhexamid
- procymidone
- cyprodinil
- mould
- bactericidal composition
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Abstract
The invention discloses a bactericidal composition containing fenhexamid. The bactericidal composition contains an active component A and an active component B, wherein the active component A is selected from fenhexamid, and the active component B is selected from any one of the following compounds: cyprodinil, pyrimethanil, procymidone and diethofencarb; and the weight ratio of the active component A to the active component B is (1:70)-(70:1). The composition shows relatively high activity on various injurious of multiple crops, takes a remarkable synergistic effect and expands a bactericidal spectrum. And the composition has the characteristics of being low in pesticide consumption, rain-washing resistant and remarkable in synergistic effect.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of bactericidal composition on crop pest that contains fenhexamid.
Technical background
Fenhexamid (Fenhexamid) chemical name: N-(2,3-, two chloro-4-hydroxy phenyls)-1-methyl-cyclohexyl base formamide, molecular formula: C
14H
17Cl
2NO
2A kind of acid amide fungicides, seed treatment, the seedling growing box inorganic agent belongs to interior suction, protective fungicide.Different from existing bactericide, without bactericidal activity, do not suppress the growth of pathogen mycelia.Check melanin biosynthesis and can accelerate the generation of plant antibiotic such as momilactoneA and sakuranetin behind bacteria infection, this mechanism of action indication ring propionyl bacterium amine may also have activity to other diseases.Can follow the paddy rice epidemic disease to infect the phytoalexin that produces by increase and improve the crop resistance.
Cyprodinil (Cyprodinil) chemical name: 4-cyclopropyl-6-methyl-N-phenyl pyrimidine-2-amine, molecular formula: C
14H
15N
3Cyprodinil suppresses the biosynthesis of methionine moral, suppresses the secretion of hydrolase.Absorbed rapidly by blade in plant corpus, be penetrated into more than 30% in the tissue, protected sediment is stored in the blade; transmit in xylem, also transmit between blade, at high temperature metabolism is relatively rapid; sediment quite stable under the low temperature in blade, the metabolite inanimate object is active.
Phonetic mould amine (Pyrimethanil) chemical name: N-(4,6-dimethyl pyrimidine-2-yl) aniline, molecular formula: C
12H
13N
3Phonetic mould amine is a kind of new type bactericide, belongs to anilino-pyrimidine.Its mechanism of action is unique, namely suppresses the secretion of pathogen protein, comprises and reduces some hydrolase levels, and these enzymes enter host plant with pathogen and cause that the necrosis of host tissue is relevant by inference.Have simultaneously interior suction conduction and fumigation action, the spray medicine such as flower, young fruit that reaches rapidly plant after the dispenser position kill pathogens that is beyond one's reach, drug effect is faster, more stable.The drug effect of phonetic mould amine is used under relatively low temperature temperature-insensitive, and its effect does not change.
Procymidone (Procymidone) chemical name: N-(3,5-dichlorophenyl)-1,3-dimethylcyclopropane-1,2-di carbonyl imide, molecular formula: C
13H
11C
12NO
2Procymidone belongs to interior absorption fungicide, and Botrytis and Sclerotinia fungi are had special efficacy, can prevent and treat gray mold, the stalk break of fruit tree, vegetable crop, and the fungi that benzimidazole is produced resistance is also effective.Protection is effective after using, the lasting period is long, can stop the scab developmenting spread.Use at crop premorbid or their early stage, can obtain promising result.Procymidone is outstanding to the protective effect of crop, and the lasting period is long, can effectively stop the development of scab.Protectiveness is used or use all can obtain promising result at the initial stage of a disease regardless of carrying out at premorbid.Its rain fastness is good, is applicable to stalk break, gray mold, the scab of fruit tree, vegetables, flowers etc., the control of brown rot.
The mould prestige of second (Diethofencarb) chemical name: 3,4-diethoxy phenylcarbamic acid isopropyl ester, molecular formula: C
14H
21NO
4Systemic fungicide, the double powdery mildew of controlling of bacterial strain that is formed for preventing and treating the anti-Bentazons such as grape, oranges and tangerines of inhibition botrytis cinerea gemma spindle.
In the real process of agricultural production, preventing and treating the problem that disease the most easily produces is the generation of disease drug resistance.The different cultivars composition carries out composite, is to prevent and treat the very common method of resistance disease.Heterogeneity is carried out composite, according to practical application effect, judge certain composite be synergy, add and or antagonism.In most cases, the composite effect of agricultural chemicals all is additive effect, and the seldom composite of synergistic effect really arranged, especially synergistic effect very obviously, synergy ratio very high composite just still less.Through inventor's research, discovery is mutually composite with fenhexamid and cyprodinil, phonetic mould amine, procymidone, the mould prestige of second, good synergistic effect is arranged within the specific limits, and relevant composite about fenhexamid and cyprodinil, phonetic mould amine, procymidone, the mould prestige of second there is not yet relevant report at present at home and abroad.
Summary of the invention
The objective of the invention is to propose a kind of have synergistic function, use cost is low, preventive effect the is good bactericidal composition that contains fenhexamid.
The present invention is achieved through the following technical solutions:
A kind of bactericidal composition that contains fenhexamid, it is characterized in that comprising active components A and active component B, active components A and active component B weight ratio are 1: 70～70: 1, described active components A is selected from fenhexamid, and active component B is selected from a kind of in cyprodinil, phonetic mould amine, procymidone, the mould prestige of second.
The described bactericidal composition that contains fenhexamid is characterized in that: the weight ratio of active components A and active component B is 1: 50～35: 1.
The described bactericidal composition that contains fenhexamid is characterized in that: the weight ratio of fenhexamid and cyprodinil is 1: 20～10: 1.
The described bactericidal composition that contains fenhexamid is characterized in that: the weight ratio of fenhexamid and phonetic mould amine is 1: 15～10: 1.
The described bactericidal composition that contains fenhexamid is characterized in that: the weight ratio of fenhexamid and procymidone is 1: 15～10: 1.
The described bactericidal composition that contains fenhexamid is characterized in that: the weight ratio of fenhexamid and the mould prestige of second is 1: 15～5: 1.
The described bactericidal composition that contains fenhexamid is characterized in that: composition is made wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, microcapsule suspension-suspending agent.
The described bactericidal composition that contains fenhexamid is used for the disease of control crop, and described crop comprises fruit tree, vegetables, cereal crops, flowers, fiber crop, legume crop.
Described disease comprises downy mildew, rice blast, mildew disease, ring spot, banded sclerotial blight, leaf-curl, leaf spot, spot defoliation, stalk break, scab, black spot, brown spot, powdery mildew, blossom rot, stripe disease, anthracnose, late blight, gray mold, grey scab, yellow fusarium wilt.
Amount of application when the content of active component depends on independent use in the present composition also depends on mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, and the while is also relevant with the target disease.Usually the weight percentage of active component is 2%～90% of gross weight in the composition, and better is 5%～80%.According to different preparation types, the active component content scope is different.Usually, liquid preparation contains by weight 1%～60% active substance, preferably is 5%～50%; Solid pharmaceutical preparation contains by weight 5%～80% active substance, preferably is 10%～80%.
At least contain a kind of surfactant in the bactericidal composition of the present invention, the dispersion of active component in water when being beneficial to use.Surface-active contents is 2%～30% of total formulation weight amount, and surplus is solid or liquid diluent.
The selected surfactant of bactericidal composition of the present invention is known in those skilled in the art: can be selected from one or more in dispersant, wetting agent, thickener or the defoamer.According to different dosage form, can also contain stabilizing agent known in those skilled in the art, antifreeze etc. in the preparation.
Bactericidal composition of the present invention can be by the user before use through dilution or directly use.Its preparation can by processing method preparation known in those skilled in the art, after being about to active component and liquid flux or solid carrier mixing, add one or more in surfactant such as dispersant, stabilizing agent, wetting agent, binding agent, the defoamer etc. again.
Bactericidal composition of the present invention can be processed into acceptable formulation on any agricultural chemicals on demand.Wherein preferred dosage form is wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, microcapsule suspension-suspending agent.
When making wetting powder, composition comprises following component and content: active components A 1～70%, active component B 1～70%, dispersant 1～12%, wetting agent 1～8%, filler surplus.
When making water dispersible granules, composition comprises following component and content: active components A 1～70%, active component B 1～70%, dispersant 1～12%, wetting agent 1～8%, disintegrant 1～10%, binding agent 0～8%, filler surplus.
Comprise following component and content when composition is made suspending agent: active components A 1～50%, active component B 1～50%, dispersant 1～10%, wetting agent 1～10%, defoamer 0.1～2%, thickener 0.05～2%, antifreeze 0～8%, deionized water add to 100%.
Comprise following component and content when composition is made microemulsion: active components A 1%～50%, active component B 1%～50%, emulsifier 1%～10%, dispersant 1%～10%, solvent 0～20%, defoamer 0.1%～2%, thickener 0.05%～2%, antifreeze 0%～8%, stabilizing agent 0%～3%, deionized water add to 100%.
Comprise following component and content when composition is made microemulsion: active components A 1%～50%, active component B 1%～50%, solvent 1%～20%, emulsifier 1%～12%, antifreeze 0%～8%, defoamer 0.1%～2%, thickener 0.05%～2%, deionized water add to 100%.
Comprise following component and content when composition is made microemulsion: active components A 1%～50%, active component B 1%～50%, emulsifier 1%～15%, solvent 1%～10%, antifreeze 0%～8%, stabilizing agent 0%～3%, defoamer 0.1%～2%, deionized water add to 100%.
Comprise following component and content when composition is made microcapsule suspending agent: active components A 1%～50%, active component B 1%～50%, macromolecule cyst material 1%～10%, dispersant 2%～10%, solvent 1%～10%, emulsifier 1%～7%, pH adjusting agent 0.1%～5%, defoamer 0.1%～2%, deionized water add to 100%.
Composition comprises following component and content when making microcapsule suspension-suspending agent: active components A 1%～50%, active component B 1%～50%, macromolecule cyst material 1%～12%, surfactant 2%～15%, solvent 1%～15%, emulsifier 1%～8%, defoamer 0.1%～2%, thickener 0.05%～2%, pH adjusting agent 0.1%～5%, deionized water add to 100%.
Wetting powder the key technical indexes of the present invention:
Water dispersible granules the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Suspension emulsion the key technical indexes of the present invention:
Microemulsion the key technical indexes of the present invention:
Aqueous emulsion the key technical indexes of the present invention:
Microcapsule suspending agent the key technical indexes of the present invention:
Microcapsule suspension of the present invention-suspending agent the key technical indexes:
The invention has the advantages that:
(1) present composition has good synergy and lasting effect within the specific limits, and preventive effect is higher than single dose.
(2) the agricultural chemicals dosage reduces, and reduces the residual quantity of agricultural chemicals on crop, alleviates environmental pollution.
(3) enlarged fungicidal spectrum, multiple diseases such as downy mildew, rice blast, mildew disease, ring spot, banded sclerotial blight, leaf-curl, leaf spot, spot defoliation, stalk break, scab, black spot, brown spot, powdery mildew, blossom rot, stripe disease, anthracnose, late blight, gray mold, grey scab, yellow fusarium wilt have been had greater activity.
Application Example one
To further instruction of the present invention, the percentage among the embodiment all is weight percentage below in conjunction with embodiment, but the present invention is not limited thereto.
Example 1 71% fenhexamid cyprodinil wetting powder
Fenhexamid 1%, cyprodinil 70%, octylphenol polyethylene oxyethylene group ether sulfate 6.5%, soapberry powder 4%, precipitated calcium carbonate add to 100%, and mixture carries out air-flow crushing, make 71% fenhexamid cyprodinil wetting powder.
Cyprodinil is changed to phonetic mould amine, procymidone, the mould prestige of second can makes novel formulation equally.
Example 2 80% fenhexamid cyprodinil wetting powders
Fenhexamid 40%, cyprodinil 40%, polycarboxylate 4%, lauryl sodium sulfate 5%, kaolin add to 100%, and mixture carries out air-flow crushing, make 80% fenhexamid cyprodinil wetting powder.
Cyprodinil is changed to phonetic mould amine, procymidone, the mould prestige of second can makes novel formulation equally.
Example 3 60% fenhexamid cyprodinil water dispersible granules
Fenhexamid 20%, cyprodinil 40%, lignosulfonates 4.5%, wetting and penetrating agent F 5%, sodium bicarbonate 3.1%, precipitated calcium carbonate add to 100%, mix to make 60% fenhexamid cyprodinil water dispersible granules.
Cyprodinil is changed to phonetic mould amine, procymidone, the mould prestige of second can makes novel formulation equally.
Example 4 50% fenhexamid cyprodinil water dispersible granules
Fenhexamid 10%, cyprodinil 40%, aryl phenol polyoxyethylene succinate sulfonate 7%, neopelex 6%, urea 3%, attapulgite add to 100%, mix to make 50% fenhexamid cyprodinil water dispersible granules.
Cyprodinil is changed to phonetic mould amine, procymidone, the mould prestige of second can makes novel formulation equally.
Example 5 40% fenhexamid cyprodinil suspending agents
Fenhexamid 10%, cyprodinil 30%, alkylaryl APEO 6.5%, silkworm excrement 8%, silicone oil 0.3%, hydroxyethylcellulose 0.12%, glycerine 1%, deionized water add to 100%, mix to make 40% fenhexamid cyprodinil suspending agent.
Cyprodinil is changed to phonetic mould amine, procymidone, the mould prestige of second can makes novel formulation equally.
Example 6 30% fenhexamid cyprodinil suspending agents
Fenhexamid 15%, cyprodinil 15%, aliphatic alcohol polyethenoxy base ether 4%, Nekal BX 6%, capric acid 0.4%, Magnesiumaluminumsilicate 0.12%, ethylene glycol 1%, deionized water add to 100%, mix to make 30% fenhexamid cyprodinil suspending agent.
Cyprodinil is changed to phonetic mould amine, procymidone, the mould prestige of second can makes novel formulation equally.
Example 7 25% fenhexamid cyprodinil suspension emulsions
Fenhexamid 15%, cyprodinil 10%, alkyl benzene sulfonate calcium salt 6.2%, neopelex 7.3%, acetonitrile 7%, polyoxyethylene nonylphenol ether phosphate 5%, silicone 0.2%, melon glue 0.15%, propane diols 4%, deionized water add to 100%, mix to make 25% fenhexamid cyprodinil suspension emulsion.
Cyprodinil is changed to phonetic mould amine, procymidone, the mould prestige of second can makes novel formulation equally.
Example 8 42% fenhexamid cyprodinil microemulsions
Fenhexamid 2%, cyprodinil 40%, fatty alcohol-polyoxyethylene ether 8%, NOP 9%, propane diols 3%, silicone oil 0.2%, deionized water supply 100%, mix to make 42% fenhexamid cyprodinil microemulsion.
Cyprodinil is changed to phonetic mould amine, procymidone, the mould prestige of second can makes novel formulation equally.
Example 9 30% fenhexamid cyprodinil aqueous emulsions
Fenhexamid 20%, cyprodinil 10%, alkyl benzene calcium sulfonate 6.8%, N-pyrrolidones 7%, glycerine 5%, organosilicon 0.5%, melon glue 0.3%, deionized water supply 100%, make 30% fenhexamid cyprodinil aqueous emulsion.
Cyprodinil is changed to phonetic mould amine, procymidone, the mould prestige of second can makes novel formulation equally.
Example 10 32% fenhexamid cyprodinil microcapsule suspending agents
Fenhexamid 2%, cyprodinil 30%, sodium alginate 7.5%, polyoxyethylene carboxylate 5%, vegetable oil 7%, sorbitan fatty acid ester APEO 5%, hydrochloric acid 0.7%, sodium hydroxide 0.8%, silicone 0.4%, deionized water add to 100%, mix to make 32% fenhexamid cyprodinil microcapsule suspending agent.
Cyprodinil is changed to phonetic mould amine, procymidone, the mould prestige of second can makes novel formulation equally.
Example 11 30% fenhexamid cyprodinil microcapsule suspension-suspending agents
Fenhexamid 5%, cyprodinil 25%, soapberry powder 8%, lignosulfonates 8%, PIC 7%, polyvinyl alcohol 0.15%, N-pyrrolidones 6%, phenethyl phenol polyoxy ethyl polypropylene-base ether 8%, silicone 0.2%, citric acid 1.5%, sodium hydroxide 0.9%, deionized water add to 100%, mix to make 30% fenhexamid cyprodinil microcapsule suspension-suspending agent.
Cyprodinil is changed to phonetic mould amine, procymidone, the mould prestige of second can makes novel formulation equally.
The phonetic mould amine wetting powder of example 12 60% fenhexamids
Fenhexamid 40%, phonetic mould amine 20%, the phonetic formaldehyde condensation products sulphate 4% of alkylphenol-polyethenoxy, wetting and penetrating agent F 5%, kaolin add to 100%, and mixture carries out air-flow crushing, make the phonetic mould amine wetting powder of 60% fenhexamid.
Phonetic mould amine is changed to cyprodinil, procymidone, the mould prestige of second can makes novel formulation equally.
The phonetic mould amine wetting powder of example 13 50% fenhexamids
Fenhexamid 10%, phonetic mould amine 40%, naphthalene sulfonic acid-formaldehyde condensation product 7.3%, neopelex 6%, attapulgite add to 100%, and mixture carries out air-flow crushing, make the phonetic mould amine wetting powder of 50% fenhexamid.
Phonetic mould amine is changed to cyprodinil, procymidone, the mould prestige of second can makes novel formulation equally.
Example 14 71% fenhexamid pyrimethanil water dispersible granules
Fenhexamid 70%, phonetic mould amine 1%, octylphenol polyethylene oxyethylene group ether sulfate 6.5%, spaonin powder 5%, ammonium sulfate 3%, white carbon add to 100%, mix to make 71% fenhexamid pyrimethanil water dispersible granule.
Phonetic mould amine is changed to cyprodinil, procymidone, the mould prestige of second can makes novel formulation equally.
Example 15 75% fenhexamid pyrimethanil water dispersible granules
Fenhexamid 30%, phonetic mould amine 45%, aryl phenol polyoxyethylene succinate sulfonate 4.5%, Nekal BX 5%, glucose 3%, kaolin add to 100%, mix to make 75% fenhexamid pyrimethanil water dispersible granule.
Phonetic mould amine is changed to cyprodinil, procymidone, the mould prestige of second can makes novel formulation equally.
The phonetic mould amine suspending agent of example 16 50% fenhexamids
Fenhexamid 20%, phonetic mould amine 30%, two (alkyl) naphthalenesulfonate formaldehyde condensation compound 7%, lauryl sodium sulfate 5%, silicone 0.5%, gum Arabic 0.2%, deionized water add to 100%, mix to make the phonetic mould amine suspending agent of 50% fenhexamid.
Phonetic mould amine is changed to cyprodinil, procymidone, the mould prestige of second can makes novel formulation equally.
The phonetic mould amine suspending agent of example 17 30% fenhexamids
Fenhexamid 10%, phonetic mould amine 20%, lignosulfonates 6.6%, tea are withered 5%, silicone 0.1%, gelatin 0.12%, deionized water add to 100%, mix making the phonetic mould amine suspending agent of 30% fenhexamid.
Phonetic mould amine is changed to cyprodinil, procymidone, the mould prestige of second can makes novel formulation equally.
The phonetic mould amine suspension emulsion of example 18 36% fenhexamids
Fenhexamid 1%, phonetic mould amine 35%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 7%, Nekal BX 6%, DMF 8%, phenyl phenol polyoxy ethyl ether phosphate 5%, C
8～10Aliphatic alcohols 0.2%, gum Arabic 0.05%, glycerine 1.8%, deionized water add to 100%, mix to make the phonetic mould amine suspension emulsion of 36% fenhexamid.
Phonetic mould amine is changed to cyprodinil, procymidone, the mould prestige of second can makes novel formulation equally.
The phonetic mould amine suspension emulsion of example 19 25% fenhexamids
Fenhexamid 20%, phonetic mould amine 5%, the phonetic formaldehyde condensation products sulphate 4.5% of alkylphenol-polyethenoxy, lauryl sodium sulfate 6%, 3-methyl cyclohexanol ketenes 7%, alkyl benzene calcium sulfonate 6%, capric acid 0.4%, sodium alginate 0.3%, triethylene glycol 2.5%, deionized water add to 100%, mix to make the phonetic mould amine suspension emulsion of 25% fenhexamid.
Phonetic mould amine is changed to cyprodinil, procymidone, the mould prestige of second can makes novel formulation equally.
The phonetic mould amine microemulsion of example 20 30% fenhexamids
Fenhexamid 25%, phonetic mould amine 5%, castor oil polyoxyethylene ether 5.3%, polyethylene glycol 8.1%, acetone 6%, capric acid 0.25%, deionized water supply 100%, make the phonetic mould amine microemulsion of 30% fenhexamid.
Phonetic mould amine is changed to cyprodinil, procymidone, the mould prestige of second can makes novel formulation equally.
The phonetic mould amine aqueous emulsion of example 21 32% fenhexamids
Fenhexamid 30%, phonetic mould amine 2%, alkylphenol-formaldehyde resin polyoxy ethyl ether 11%, ethylene glycol monomethyl ether 5%, methylcellulose 0.15%, propane diols 3%, silicone oil 0.15%, deionized water supply 100%, make the phonetic mould amine aqueous emulsion of 32% fenhexamid.
Phonetic mould amine is changed to cyprodinil, procymidone, the mould prestige of second can makes novel formulation equally.
The phonetic mould amine aqueous emulsion of example 22 35% fenhexamids
Fenhexamid 5%, phonetic mould amine 30%, white dextrin 0.06%, polyethylene glycol 5%, silicone oil 0.4%, styrene polyoxyethylene ether ammonium sulfate salt 9%, ethanol 5%, deionized water supply 100%, make the phonetic mould amine aqueous emulsion of 35% fenhexamid.
Phonetic mould amine is changed to cyprodinil, procymidone, the mould prestige of second can makes novel formulation equally.
The phonetic mould amine microcapsule suspending agent of example 23 25% fenhexamids
Fenhexamid 5%, phonetic mould amine 20%, alkylphenol-polyethenoxy are phonetic 6%, polyfunctional group acyl halide polyamines 4.5%, butyl ether 12%, alkylaryl polyoxyethylene poly-oxygen propylene aether 6%, sodium hydroxide 0.6%, citric acid 1.1%, organosilicon 0.5%, deionized water add to 100%, mix making the phonetic mould amine microcapsule suspending agent of 25% fenhexamid.
Phonetic mould amine is changed to cyprodinil, procymidone, the mould prestige of second can makes novel formulation equally.
The phonetic mould amine microcapsule suspension-suspending agent of example 24 40% fenhexamids
Fenhexamid 30%, phonetic mould amine 10%, alkylaryl APEO 6%, tea are withered 5%, formaldehyde 8%, CMC 0.1%, propyl alcohol 7%, phenethyl fluosite polyoxy ethyl ether 5.5%, organosilicon 0.1%, sodium hydroxide 1.1%, hydrochloric acid 0.9%, deionized water add to 100%, mix making the phonetic mould amine microcapsule suspension-suspending agent of 40% fenhexamid.
Phonetic mould amine is changed to cyprodinil, procymidone, the mould prestige of second can makes novel formulation equally.
Example 25 77% fenhexamid procymidone wetting powders
Fenhexamid 70%, procymidone 7%, naphthalene sulfonic acid-formaldehyde condensation product 4%, spaonin powder 5%, bentonite add to 100%, mix to make 77% fenhexamid procymidone wetting powder.
Procymidone is changed to phonetic mould amine, cyprodinil, the mould prestige of second can makes novel formulation equally.
Example 26 75% fenhexamid procymidone wetting powders
Fenhexamid 45%, procymidone 30%, lignosulfonates 6.1%, Nekal BX 5%, attapulgite add to 100%, mix to make 75% fenhexamid procymidone wetting powder.
Procymidone is changed to phonetic mould amine, cyprodinil, the mould prestige of second can makes novel formulation equally.
Example 27 70% fenhexamid procymidone water dispersible granules
Fenhexamid 30%, procymidone 40%, the phonetic formaldehyde condensation products sulphate 5% of alkylphenol-polyethenoxy, sldium lauryl sulfate 4.5%, bentonite 3%, kaolin add to 100%, mix to make 70% fenhexamid procymidone water dispersible granules.
Procymidone is changed to phonetic mould amine, cyprodinil, the mould prestige of second can makes novel formulation equally.
Example 28 60% fenhexamid procymidone water dispersible granules
Fenhexamid 10%, procymidone 50%, polycarboxylate 4%, tea are withered 3%, bentonite 2%, precipitated calcium carbonate add to 100%, mix making 60% fenhexamid procymidone water dispersible granules.
Procymidone is changed to phonetic mould amine, cyprodinil, the mould prestige of second can makes novel formulation equally.
Example 29 42% fenhexamid procymidone suspending agents
Fenhexamid 40%, procymidone 2%, ester polyoxyethylene are phonetic 5.3%, soapberry powder 6%, C
8～10Aliphatic alcohols 0.3%, hydroxyethylcellulose 0.15%, deionized water add to 100%, mix to make 42% fenhexamid procymidone suspending agent.
Procymidone is changed to phonetic mould amine, cyprodinil, the mould prestige of second can makes novel formulation equally.
Example 30 25% fenhexamid procymidone suspending agents
Fenhexamid 10%, procymidone 15%, alkylaryl APEO 5%, silkworm excrement 7%, silicone 0.2%, hydroxyethylcellulose 0.15%, deionized water add to 100%, mix to make 25% fenhexamid procymidone suspending agent.
Procymidone is changed to phonetic mould amine, cyprodinil, the mould prestige of second can makes novel formulation equally.
Example 31 45% fenhexamid procymidone suspension emulsions
Fenhexamid 10%, procymidone 35%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 5.3%, lauryl sodium sulfate 6%, 3-methyl cyclohexanol ketenes 7%, alkyl benzene calcium sulfonate 6%, silicone oil 0.4%, gelatin 0.3%, ethylene glycol 2.4%, deionized water add to 100%, mix to make 45% fenhexamid procymidone suspension emulsion.
Procymidone is changed to phonetic mould amine, cyprodinil, the mould prestige of second can makes novel formulation equally.
Example 32 50% fenhexamid procymidone microemulsions
Fenhexamid 40%, procymidone 10%, alkylaryl polyoxyethylene polyoxypropylene ether 7%, glycerine 2%, cyclohexanone 5%, C
10～20Saturated fat acids 0.3%, deionized water supply 100%, make 50% fenhexamid procymidone microemulsion.
Procymidone is changed to phonetic mould amine, cyprodinil, the mould prestige of second can makes novel formulation equally.
Example 33 35% fenhexamid procymidone aqueous emulsions
Fenhexamid 20%, procymidone 15%, benzyl dimethyl phenol polyoxy ethyl ether 9%, ethanol 5%, sodium alginate 0.05%, glycerine 5%, C
8～10Aliphatic alcohols 0.4%, deionized water supply 100%, make 35% fenhexamid procymidone aqueous emulsion.
Procymidone is changed to phonetic mould amine, cyprodinil, the mould prestige of second can makes novel formulation equally.
Example 34 51% fenhexamid procymidone microcapsule suspending agents
Fenhexamid 50%, procymidone 1%, polyfunctional group acyl halide dihydroxylic alcohols 7%, aliphatic amine polyoxyethylene are phonetic 8%, ethyl acetate 6%, C
10～20Saturated fat acids 0.3%, sorbitan monostearate 5%, sorbic acid 0.5%, sodium hydroxide 0.3%, deionized water add to 100%, mix to make 51% fenhexamid procymidone microcapsule suspending agent.
Procymidone is changed to phonetic mould amine, cyprodinil, the mould prestige of second can makes novel formulation equally.
Example 35 30% fenhexamid procymidone microcapsule suspension-suspending agents
Fenhexamid 10%, procymidone 20%, polycarboxylate 8%, silkworm excrement 6%, urea 9%, polyethylene glycol 0.06%, toluene 8%, phenethyl fluosite polyoxy ethyl ether 7%, silicone oil 0.12%, hydrochloric acid 0.8%, sodium hydroxide 0.9%, deionized water add to 100%, mix to make 30% fenhexamid procymidone microcapsule suspension-suspending agent.
Procymidone is changed to phonetic mould amine, cyprodinil, the mould prestige of second can makes novel formulation equally.
The mould prestige wetting powder of example 36 80% fenhexamid second
Fenhexamid 60%, the mould prestige 20% of second, alkylphenol-polyethenoxy are phonetic 4.2%, spaonin powder 5%, diatomite add to 100%, mix making the mould prestige wetting powder of 80% fenhexamid second.
The mould prestige of second is changed to phonetic mould amine, cyprodinil, procymidone can makes novel formulation equally.
The mould prestige wetting powder of example 37 50% fenhexamid second
Fenhexamid 10%, the mould prestige 40% of second, alkylnaphthalene sulfonate 6.5%, neopelex 6%, kaolin add to 100%, and mixture carries out air-flow crushing, make the mould prestige wetting powder of 50% fenhexamid second.
The mould prestige of second is changed to phonetic mould amine, cyprodinil, procymidone can makes novel formulation equally.
The mould prestige water dispersible granules of example 38 77% fenhexamid second
Fenhexamid 7%, the mould prestige 70% of second, aliphatic amine polyoxyethylene are phonetic 4%, sldium lauryl sulfate 4.5%, glucose 2%, bentonite add to 100%, mix making the mould prestige water dispersible granules of 77% fenhexamid second.
The mould prestige of second is changed to phonetic mould amine, cyprodinil, procymidone can makes novel formulation equally.
The mould prestige water dispersible granules of example 39 80% fenhexamid second
Fenhexamid 20%, the mould prestige 60% of second, alkyl benzene sulfonate calcium salt 4%, spaonin powder 3%, sodium carbonate 2%, white carbon add to 100%, mix to make the mould prestige water dispersible granules of 80% fenhexamid second.
The mould prestige of second is changed to phonetic mould amine, cyprodinil, procymidone can makes novel formulation equally.
The mould prestige suspending agent of example 40 50% fenhexamid second
Fenhexamid 40%, the mould prestige 10% of second, polyoxyethylene carboxylate 4%, tea are withered 6%, silicone 0.3%, xanthans 0.13%, deionized water add to 100%, mix making the mould prestige suspending agent of 50% fenhexamid second.
The mould prestige of second is changed to phonetic mould amine, cyprodinil, procymidone can makes novel formulation equally.
The mould prestige suspending agent of example 41 40% fenhexamid second
Fenhexamid 5%, the mould prestige 35% of second, ester polyoxyethylene are phonetic 7%, silkworm excrement 7%, C
8～10Aliphatic alcohols 0.2%, sodium phosphate trimer 0.11%, deionized water add to 100%, mix to make the mould prestige suspending agent of 40% fenhexamid second.
The mould prestige of second is changed to phonetic mould amine, cyprodinil, procymidone can makes novel formulation equally.
The mould prestige suspension emulsion of example 42 35% fenhexamid second
Fenhexamid 30%, the mould prestige 5% of second, alkylnaphthalene sulfonate 6%, soapberry powder 6%, toluene 4%, polyoxyethylene nonylphenol ether phosphate 6%, C
10～20Saturated fat acids 0.4%, phenolic resins 0.3%, diethylene glycol (DEG) 2.4%, deionized water add to 100%, mix to make the mould prestige suspension emulsion of 35% fenhexamid second.
The mould prestige of second is changed to phonetic mould amine, cyprodinil, procymidone can makes novel formulation equally.
The mould prestige microemulsion of example 43 36% fenhexamid second
Fenhexamid 35%, the mould prestige 1% of second, phenyl phenol polyoxy ethyl ether phosphate 7%, propyl alcohol 6%, cyclohexanone 5%, C
10～20Saturated fat acids 0.22%, deionized water supply 100%, make the mould prestige microemulsion of 36% fenhexamid second.
The mould prestige of second is changed to phonetic mould amine, cyprodinil, procymidone can makes novel formulation equally.
The mould prestige aqueous emulsion of example 44 45% fenhexamid second
Fenhexamid 35%, the mould prestige 10% of second, sodium alginate 0.05%, glycerine 5%, C
8～10Aliphatic alcohols 0.4%, benzyl dimethyl phenol polyoxy ethyl ether 9%, cyclohexanone 3%, deionized water supply 100%, make the mould prestige aqueous emulsion of 45% fenhexamid second.
The mould prestige of second is changed to phonetic mould amine, cyprodinil, procymidone can makes novel formulation equally.
The mould prestige microcapsule suspending agent of example 45 50% fenhexamid second
Fenhexamid 30%, the mould prestige 20% of second, gelatin 7%, aliphatic amine polyoxyethylene are phonetic 6%, ethyl acetate 6%, C
10～20Saturated fat acids 0.3%, sorbitan monostearate 5%, sorbic acid 0.6%, sodium hydroxide 0.4%, deionized water add to 100%, mix to make the mould prestige microcapsule suspending agent of 50% fenhexamid second.
The mould prestige of second is changed to phonetic mould amine, cyprodinil, procymidone can makes novel formulation equally.
The mould prestige microcapsule suspension-suspending agent of example 46 51% fenhexamid second
Fenhexamid 1%, the mould prestige 50% of second, polyvinyl alcohol 8%, silkworm excrement 6%, urea 9%, polyethylene glycol 0.06%, toluene 5%, phenethyl fluosite polyoxy ethyl ether 7%, silicone oil 0.12%, sodium hydroxide 1.1%, hydrochloric acid 0.9%, deionized water add to 100%, mix to make the mould prestige microcapsule suspension-suspending agent of 51% fenhexamid second.
The mould prestige of second is changed to phonetic mould amine, cyprodinil, procymidone can makes novel formulation equally.
The embodiment of the invention is the method that adopts Toxicity Determination and field trial to combine.First by Toxicity Determination, the synergy ratio (SR) after clear and definite two kinds of medicaments are composite by a certain percentage, SR＜0.5 is antagonism, and 0.5≤SR≤1.5 are summation action, and SR＞1.5 are synergistic effect, on this basis, carry out field trial again.
Test method: after each medicament establishment concentration range was determined in prerun, medicament was established respectively 5 dosage by active constituent content and is processed, and established the clear water contrast.Carry out with reference to " farm-chemical indoor determination test rule bactericide ", adopt the mycelial growth rate method to measure medicament to the virulence of crop germ.Measure colony diameter with the right-angled intersection method behind the 72h, calculate and respectively process net growth, mycelial growth inhibition rate.
Net growth (mm)=measurement colony diameter-5
Mycelial growth inhibition rate is converted into probit value (y), and liquor strength (μ g/mL) converts logarithm value (x) to, tries to achieve virulence regression equation (y=a+bx) with method of least squares, and calculates thus the EC of every kind of medicament
50Value.Calculate the different proportioning synergy ratios (SR) of two medicaments according to the Wadley method simultaneously, SR＜0.5 is antagonism, and 0.5≤SR≤1.5 are summation action, and SR＞1.5 are synergistic effect.Computing formula is as follows:
Wherein: a, b are respectively active components A and active component B shared ratio in combination;
A is fenhexamid;
B is selected from a kind of in cyprodinil, phonetic mould amine, procymidone, the mould prestige of second.
Application Example two:
For trying disease: rice blast.
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
Experimental scheme: the establishment concentration range of determining the former medicine of fenhexamid and cyprodinil and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to rice blast of table 1 fenhexamid and cyprodinil
As shown in Table 1, fenhexamid and cyprodinil proportioning were at 1: 70～70: 1 o'clock, synergy ratio SR is all greater than 1.5, illustrating that both were mixed in the scope at 1: 70～70: 1 all shows synergistic effect, especially when the proportioning of fenhexamid and cyprodinil during at 1: 20～10: 1, synergistic effect is more obviously outstanding, test through the applicant, the optimum ratio of finding fenhexamid and cyprodinil is 10: 1,9: 1,8: 1,7: 1,6: 1,5: 1,4: 1,3: 1,2: 1,1: 1,1: 2,1: 3,1: 4,1: 5,1: 6,1: 7,1: 8,1: 9,1: 10,1: 15,1: 20 wherein when fenhexamid and cyprodinil weight ratio are 1: 2 synergy ratio maximum, synergistic effect is the most obvious.Find that in inventor's experimentation fenhexamid and the composite control to downy mildew, rice blast, mildew disease, ring spot, banded sclerotial blight, leaf-curl, leaf spot, spot defoliation, stalk break, scab, black spot, brown spot, powdery mildew, blossom rot, stripe disease, anthracnose, late blight, gray mold, grey scab, yellow fusarium wilt of cyprodinil have obvious synergistic effect.
Application Example three:
For trying disease: grape grey mould.
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
Experimental scheme: the establishment concentration range of determining fenhexamid and the former medicine of phonetic mould amine and the two different proportioning mixture through preliminary experiment.
Toxicity test result
Table 2 fenhexamid and Pyrimethanil compositional are to the toxicity test analysis of results table of grape grey mould
As shown in Table 2, fenhexamid and phonetic mould amine proportioning were at 1: 70～70: 1 o'clock, synergy ratio SR is all greater than 1.5, illustrating that both were mixed in the scope at 1: 70～70: 1 all shows synergistic effect, especially when the proportioning of fenhexamid and phonetic mould amine during at 1: 15～10: 1, synergistic effect is more outstanding, test through the applicant, the optimum ratio of finding fenhexamid and phonetic mould amine is 10: 1,5: 1,4: 1,3: 1,2: 1,3: 2,1: 1,2: 3,1: 2,1: 3,1: 4,1: 5,1: 10,1: 15 wherein when fenhexamid and phonetic mould amine weight ratio are 2: 3 synergy ratio maximum, synergistic effect is the most obvious.Find that in inventor's experimentation fenhexamid and Pyrimethanil compositional have obvious synergistic effect to the control of downy mildew, rice blast, mildew disease, ring spot, banded sclerotial blight, leaf-curl, leaf spot, spot defoliation, stalk break, scab, black spot, brown spot, powdery mildew, blossom rot, stripe disease, anthracnose, late blight, gray mold, grey scab, yellow fusarium wilt.
Application Example four:
For trying disease: cucumber downy mildew.
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
Experimental scheme: the establishment concentration range of determining the former medicine of fenhexamid and procymidone and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to cucumber downy mildew of table 3 fenhexamid and procymidone
As shown in Table 3, fenhexamid and procymidone proportioning were at 1: 70～70: 1 o'clock, synergy ratio SR is all greater than 1.5, illustrating that both were mixed in the scope at 1: 70～70: 1 all shows synergistic effect, especially when the proportioning of fenhexamid and procymidone during at 1: 15～10: 1, synergistic effect is more obviously outstanding, test through the applicant, the optimum ratio of finding fenhexamid and procymidone is 10: 1,5: 1,4: 1,3: 1,2: 1,3: 2,1: 1,2: 3,1: 2,1: 3,1: 4,1: 5,1: 10,1: 15, wherein synergy ratio is maximum when fenhexamid and procymidone weight ratio are 2: 3, and synergistic effect is the most obvious.Find that in inventor's experimentation fenhexamid and the composite control to downy mildew, rice blast, mildew disease, ring spot, banded sclerotial blight, leaf-curl, leaf spot, spot defoliation, stalk break, scab, black spot, brown spot, powdery mildew, blossom rot, stripe disease, anthracnose, late blight, gray mold, grey scab, yellow fusarium wilt of procymidone have obvious synergistic effect.
Application Example five:
For trying disease: ring rot of apple.
Test medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
Experimental scheme: the establishment concentration range of determining the former medicine of the mould prestige of fenhexamid and second and the two different proportioning mixture through preliminary experiment.
Toxicity test result
The composite toxicity test analysis of results table to ring rot of apple of the mould prestige of table 4 fenhexamid and second
As shown in Table 4, the mould prestige proportioning of fenhexamid and second was at 1: 70～70: 1 o'clock, synergy ratio SR is all greater than 1.5, illustrating that both were mixed in the scope at 1: 70～70: 1 all shows synergistic effect, especially when the proportioning of fenhexamid and the mould prestige of second during at 1: 15～5: 1, synergistic effect is more obviously outstanding, test through the applicant, the optimum ratio of finding fenhexamid and the mould prestige of second is 5: 1,4: 1,3: 1,2: 1,1: 1,1: 2,1: 3,1: 4,1: 5,1: 6,1: 7,1: 8,1: 9,1: 10,1: 15, wherein synergy ratio is maximum when fenhexamid and the mould prestige weight ratio of second are 1: 3, and synergistic effect is the most obvious.Find that in inventor's experimentation fenhexamid and the composite control to downy mildew, rice blast, mildew disease, ring spot, banded sclerotial blight, leaf-curl, leaf spot, spot defoliation, stalk break, scab, black spot, brown spot, powdery mildew, blossom rot, stripe disease, anthracnose, late blight, gray mold, grey scab, yellow fusarium wilt of the mould prestige of second have obvious synergistic effect.
Application Example six fenhexamids and cyprodinil and the composite control rice blast test of pesticide effectiveness thereof
This test arrangement is at Shaanxi Province's Hanzhong City, and test medicine is researched and developed, provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 50% fenhexamid water dispersible granules (commercial), 50% cyprodinil water dispersible granules (autogamy).
The investigation rice blast state of an illness before the medicine, in for the first time dispenser of state of an illness initial stage, dispenser in per 7 days once is total to dispenser 2 times.Investigated respectively disease index and calculated preventive effect in 3 days, 7 days, 14 days after for the second time dispenser.Experimental result is as follows:
Table 5 fenhexamid and cyprodinil and the composite control rice blast test of pesticide effectiveness thereof
As can be seen from Table 5, can effectively prevent and treat rice blast after fenhexamid and cyprodinil are composite, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
Application Example seven fenhexamids and cyprodinil and the composite control Botrytis cinerea test of pesticide effectiveness thereof
This test arrangement is in Qishan County, Baoji, Shaanxi province city, and test medicine is researched and developed, provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 50% fenhexamid water dispersible granules (commercial), 50% cyprodinil water dispersible granules (autogamy).
The investigation Botrytis cinerea state of an illness before the medicine, in for the first time dispenser of state of an illness initial stage, dispenser in per 7 days once is total to dispenser 2 times.Investigated respectively disease index and calculated preventive effect in 3 days, 7 days, 14 days after for the second time dispenser.Experimental result is as follows:
Table 6 fenhexamid and cyprodinil and the composite control Botrytis cinerea test of pesticide effectiveness thereof
As can be seen from Table 6, can effectively prevent and treat Botrytis cinerea after fenhexamid and cyprodinil are composite, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
Application Example eight fenhexamids and phonetic mould amine and the composite control gray mold of cucumber test of pesticide effectiveness thereof
This test arrangement is in the Jingyang County, Shaanxi Province, and test medicine is researched and developed, provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 50% fenhexamid water dispersible granules (commercial), 20% phonetic mould amine suspending agent (commercial).
The investigation gray mold of cucumber state of an illness before the medicine, in for the first time dispenser of state of an illness initial stage, dispenser in per 7 days once is total to dispenser 3 times.Investigated respectively disease index and calculated preventive effect in 3 days, 7 days, 14 days after the dispenser for the third time.Experimental result is as follows:
Table 7 fenhexamid and phonetic mould amine and the composite control gray mold of cucumber test of pesticide effectiveness thereof
As can be seen from Table 7, can effectively prevent and treat gray mold of cucumber behind fenhexamid and the Pyrimethanil compositional, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
Application Example nine fenhexamids and phonetic mould amine and the composite control soybean gray mold test of pesticide effectiveness thereof
This test arrangement is in the Heze City, Shandong Province city, and test medicine is researched and developed, provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 50% fenhexamid water dispersible granules (commercial), 20% phonetic mould amine suspending agent (commercial).
The investigation soybean gray mold state of an illness before the medicine, in for the first time dispenser of state of an illness initial stage, dispenser in per 7 days once is total to dispenser 2 times.Investigated respectively disease index and calculated preventive effect in 3 days, 7 days, 14 days after for the second time dispenser.Experimental result is as follows:
Table 8 fenhexamid and phonetic mould amine and the composite control soybean gray mold test of pesticide effectiveness thereof
As can be seen from Table 8, can effectively prevent and treat the soybean gray mold behind fenhexamid and the Pyrimethanil compositional, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
Application Example ten fenhexamids and procymidone and the composite control stem rot of cucumber test of pesticide effectiveness thereof
This test arrangement is in the Jingyang County, Shaanxi Province, and test medicine is researched and developed, provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 50% fenhexamid water dispersible granules (commercial), 20% procymidone suspending agent (commercial).
The investigation stem rot of cucumber state of an illness before the medicine, in for the first time dispenser of state of an illness initial stage, dispenser in per 7 days once is total to dispenser 2 times.Investigated respectively disease index and calculated preventive effect in 3 days, 7 days, 14 days after for the second time dispenser.Experimental result is as follows:
Table 9 fenhexamid and procymidone and the composite control stem rot of cucumber test of pesticide effectiveness thereof
As can be seen from Table 9, can effectively prevent and treat stem rot of cucumber after fenhexamid and procymidone are composite, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
Application Example 11 fenhexamids and procymidone and the composite control sclerotinia rot of colza test of pesticide effectiveness thereof
This test arrangement is at Shaanxi Province's Hanzhong City, and test medicine is researched and developed, provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 50% fenhexamid water dispersible granules (commercial), 20% procymidone suspending agent (commercial).
The investigation sclerotinia rot of colza state of an illness before the medicine, in for the first time dispenser of state of an illness initial stage, dispenser in per 7 days once is total to dispenser 3 times.Investigated respectively disease index and calculated preventive effect in 3 days, 7 days, 14 days after the dispenser for the third time.Experimental result is as follows:
Table 10 fenhexamid and procymidone and the composite control sclerotinia rot of colza test of pesticide effectiveness thereof
As can be seen from Table 10, can effectively prevent and treat sclerotinia rot of colza after fenhexamid and procymidone are composite, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
Application Example 12 fenhexamids and the mould prestige of second and the composite control graw mold of tomato test of pesticide effectiveness thereof
This test arrangement is in the suburb, Xian District, Shanxi Province, and test medicine is researched and developed, provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 50% fenhexamid water dispersible granules (commercial), the mould prestige wetting powder of 25% second (autogamy).
The investigation graw mold of tomato state of an illness before the medicine, in for the first time dispenser of state of an illness initial stage, dispenser in per 7 days once is total to dispenser 2 times.Investigated respectively disease index and calculated preventive effect in 3 days, 7 days, 14 days after for the second time dispenser.Experimental result is as follows:
The mould prestige of table 11 fenhexamid and second and the composite control graw mold of tomato test of pesticide effectiveness thereof
As can be seen from Table 11, can effectively prevent and treat graw mold of tomato after the mould prestige of fenhexamid and second is composite, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
Application Example 13 fenhexamids and the mould prestige of second and the composite control capsicum late blight test of pesticide effectiveness thereof
This experimental establishment is in Qishan County, Baoji, Shaanxi province city, and test medicine is researched and developed, provided by Shaanxi Welch Crop Protection Co., Ltd., contrast medicament 50% fenhexamid water dispersible granules (commercial), the mould prestige wetting powder of 25% second (autogamy).
The investigation capsicum late blight state of an illness before the medicine, in for the first time dispenser of state of an illness initial stage, dispenser in per 7 days once is total to dispenser 2 times.Investigated respectively disease index and calculated preventive effect in 3 days, 7 days, 14 days after for the second time dispenser.Experimental result is as follows:
The mould prestige of table 12 fenhexamid and second and the composite control capsicum late blight test of pesticide effectiveness thereof
As can be seen from Table 12, can effectively prevent and treat the capsicum late blight after the mould prestige of fenhexamid and second is composite, control efficiency all is better than the preventive effect of single dose, and the preventive effect phase is long.In the test scope of medication, the target crop is had no adverse effects.
After draw through different local throughout the country tests, the composite rear preventive effect to Common Diseases such as the downy mildew on the various crop, rice blast, mildew disease, ring spot, banded sclerotial blight, leaf-curl, leaf spot, spot defoliation, stalk break, scab, black spot, brown spot, powdery mildew, blossom rot, stripe disease, anthracnose, late blight, gray mold, grey scab, yellow fusarium wilts of fenhexamid and cyprodinil, phonetic mould amine, procymidone, the mould prestige of second is all more than 95%, be better than the single dose preventive effect, synergistic effect is obvious.
Claims (9)
1. bactericidal composition that contains fenhexamid, it is characterized in that comprising active components A and active component B, active components A and active component B weight ratio are 1: 70～70: 1, described active components A is selected from fenhexamid, and active component B is selected from a kind of in cyprodinil, phonetic mould amine, procymidone, the mould prestige of second.
2. the bactericidal composition that contains fenhexamid according to claim 1, it is characterized in that: the weight ratio of active components A and active component B is 1: 50～35: 1.
3. the bactericidal composition that contains fenhexamid according to claim 2, it is characterized in that: the weight ratio of fenhexamid and cyprodinil is 1: 20～10: 1.
4. the bactericidal composition that contains fenhexamid according to claim 2, it is characterized in that: the weight ratio of fenhexamid and phonetic mould amine is 1: 15～10: 1.
5. the bactericidal composition that contains fenhexamid according to claim 2, it is characterized in that: the weight ratio of fenhexamid and procymidone is 1: 15～10: 1.
6. the bactericidal composition that contains fenhexamid according to claim 2, it is characterized in that: the weight ratio of fenhexamid and the mould prestige of second is 1: 15～5: 1.
7. contain the bactericidal composition of fenhexamid to 6 described each according to claim 3, it is characterized in that: composition is made wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, microcapsule suspension-suspending agent.
8. the bactericidal composition that contains fenhexamid according to claim 7 is used for preventing and treating the application of crop pest.
9. application according to claim 8 is characterized in that: described disease comprises downy mildew, rice blast, mildew disease, ring spot, banded sclerotial blight, leaf-curl, leaf spot, spot defoliation, stalk break, scab, black spot, brown spot, powdery mildew, blossom rot, stripe disease, anthracnose, late blight, gray mold, grey scab, yellow fusarium wilt.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103688930A (en) * | 2013-11-28 | 2014-04-02 | 广东中迅农科股份有限公司 | Pesticide composition containing fenhexamid and ZJ0712 |
| CN103734136A (en) * | 2013-12-30 | 2014-04-23 | 孙蒙蒙 | Bactericidal composite for grey mould of fruit trees |
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