CN104642346A - High-efficient bactericidal composition containing zinc thiazole - Google Patents
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Abstract
The invention discloses an high-efficient bactericidal composition containing zinc thiazole, which includes an active component A and an active components B, wherein the active component A is the zinc thiazole and the active component B is selected from any one compounds in the group comprising: thifluzamide, fenoxanil, probenazole, or JS 399-19. The weight ratio of the active component A to the active component B is 1:80-80:1. The bactericidal composition has a synergistic effect on various diseases harming agricultural production, can reduce the use amount of pesticides and the residual amount of the pesticides on crops, can reduce environmental-pollution, is safe to human and animals, is good in environmental compatibility, and is free of drug resistance.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of efficient bactericidal composite on corps diseases containing zinc thiazole.
Background technology
Thifluzamide, fenoxanil, probenazole or 2-cyano-3-amino-3-phenylancryic acetate all belong to common fungicide, are widely used in the disease of crops.But in the real process of agricultural production, the problem that controlling disease the most easily produces is the generation of disease drug resistance.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 sterilization is all additive effect, really has the seldom composite of synergistic effect, especially synergistic effect clearly, very high composite just less of synergy ratio.Study through inventor, find by zinc thiazole and thifluzamide, fenoxanil, probenazole or 2-cyano-3-amino-3-phenylancryic acetate composite after can produce good synergistic effect, and about zinc thiazole and the composite relevant report of thifluzamide, fenoxanil, probenazole or 2-cyano-3-amino-3-phenylancryic acetate not yet open.
Summary of the invention
The object of the invention is to propose a kind of to there is the efficient bactericidal composite containing zinc thiazole that synergistic function, use cost are low, preventive effect is good.
The efficient bactericidal composite containing zinc thiazole that the present invention proposes contains active components A and active component B, active components A and active component B weight ratio are 1 ︰ 80 ~ 80 ︰ 1, described active components A is selected from zinc thiazole, active component B is selected from the one in thifluzamide, fenoxanil, probenazole or 2-cyano-3-amino-3-phenylancryic acetate, and active components A and the preferred weight ratio of active component B are 1 ︰ 50 ~ 50 ︰ 1; The weight ratio being more preferably zinc thiazole and thifluzamide is 25:1 ~ 1:15, and the weight ratio of zinc thiazole and fenoxanil is 20:1 ~ 1:20, and the weight ratio of zinc thiazole and probenazole is 15:1 ~ 1:25, and the weight ratio of zinc thiazole and 2-cyano-3-amino-3-phenylancryic acetate is 20:1 ~ 1:20; The weight ratio most preferably being zinc thiazole and thifluzamide is 14:1 ~ 1:4, and the weight ratio of zinc thiazole and fenoxanil is 9:1 ~ 1:9, and the weight ratio of zinc thiazole and probenazole is 4:1 ~ 1:14, and the weight ratio of zinc thiazole and 2-cyano-3-amino-3-phenylancryic acetate is 9:1 ~ 1:9.
The efficient bactericidal composite containing zinc thiazole that the present invention proposes is for preventing and treating the purposes of disease on crops, and described crops comprise cereal crops, legume crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flower crop, medicinal crop, crop, green manure pasture crop; Described disease comprises canker, cecospora spot, banded sclerotial blight, rice blast, leaf blight, bakanae disease or head blight.
The weight ratio of active components A, active component B is 1 ︰ 80 ~ 80 ︰ 1.In usual composition, the weight percentage of active component is 0.5% ~ 90% of gross weight, is preferably 5% ~ 80%.According to different preparation types, active component content scope is different.Usually, liquid preparation contains the active substance of by weight 1% ~ 70%, is preferably 5% ~ 50%; Solid pharmaceutical preparation contains the active substance of by weight 5% ~ 80%, is preferably 10% ~ 80%.
At least containing a kind of surfactant in bactericidal composition of the present invention, the dispersion of active component in water when being beneficial to use.Surface-active contents is 5% ~ 30% of total formulation weight amount, and surplus is solid or liquid diluent.
Bactericidal composition of the present invention can by user before use through diluting or directly using.Its preparation can be prepared by common processing method known in those skilled in the art, after mixing with liquid flux or solid carrier by active substance, then add surfactant as one or more in dispersant, stabilizing agent, wetting agent, binding agent, defoamer, disintegrant, antifreeze etc.
Bactericidal composition of the present invention, acceptable formulation in any sterilization can be processed on demand, wherein more preferably formulation is wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, can also make microemulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent, seed coat agent, kind clothing suspending agent, granule.
Composition comprises following constituent content when making wetting powder: active components A 0.5% ~ 80%, active component B0.5% ~ 80%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, filler surplus.
Composition comprises following constituent content when making water dispersible granules: active components A 0.5% ~ 80%, active component B0.5% ~ 80%, dispersant 3% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 8%, filler surplus.
Composition comprises following constituent content when making suspending agent or oil-suspending agent: active components A 0.1% ~ 50%, active component B0.1% ~ 50%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water or vegetable oil add to 100%.
Composition comprises following constituent content when making suspension emulsion: active components A 0.1% ~ 50%, active component B0.1% ~ 50%, dispersant 2% ~ 10%, defoamer 0.01% ~ 2%, solvent 1% ~ 15%, thickener 0 ~ 2%, emulsifier 2% ~ 12%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following constituent content when making aqueous emulsion: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, solvent 1% ~ 30%, emulsifier 1% ~ 15%, antifreeze 0 ~ 8%, thickener 0 ~ 2%, defoamer 0.01% ~ 2%, deionized water supply surplus.
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:
Aqueous emulsion the key technical indexes of the present invention:
The invention has the advantages that:
(1) zinc thiazole and thifluzamide, fenoxanil, probenazole or 2-cyano-3-amino-3-phenylancryic acetate composite after, there is obvious synergy and lasting effect; (2) all greater activity is had to the disease on cereal crops, legume crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flower crop, medicinal crop, crop, green manure pasture crop; (3) decrease pesticide usage amount, reduce the residual quantity of agricultural chemicals on crop, alleviate environmental pollution; (4) to person poultry safety, Environmental compatibility is good; And preparation adhesion strength strengthens, resistance of rainwater washing against.
Embodiment
Below in conjunction with embodiment to further instruction of the present invention, the percentage in embodiment is all weight percentage, but the present invention is not limited thereto.
Application Example one
Embodiment 1 ~ 12 wetting powder
Zinc thiazole, active component B, dispersant, wetting agent, filler are mixed in mixed cylinder, mixes again after airslide disintegrating mill is pulverized, wetting powder product of the present invention can be obtained, specifically in table 1.
The each component of table 1 embodiment 1 ~ 12 and weight portion
Embodiment 13 ~ 24 water dispersible granules
Zinc thiazole, active component B, dispersant, wetting agent, disintegrant, filler etc. are obtained together the particle diameter needed through air-flow crushing, then add other auxiliary agents such as binding agent (can add and can not add), obtain granulation materials.Item is quantitatively sent in fluidized bed granulating dryer through granulating and after drying, water dispersible granules product of the present invention can being obtained, specifically in table 2.
The each component of table 2 embodiment 13 ~ 24 and weight portion
Embodiment 25 ~ 36 suspending agent
By dispersant, wetting agent, defoamer, thickener (can add and can not add), antifreeze (can add and can not add), mix through high speed shear, add zinc thiazole, active component B, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, surplus deionized water or vegetable oil are supplied, and can obtain suspending agent product of the present invention, specifically in table 3.
The each component of table 3 embodiment 25 ~ 36 and weight portion
Embodiment 37 ~ 42 suspension emulsion
Dispersant, defoamer, thickener (can add and can not add), antifreeze (can add and can not add) are mixed through high speed shear, add active component B, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained active component B suspending agent, then by zinc thiazole, solvent, emulsifier and the direct emulsification of various auxiliary agent high speed agitators in suspending agent, surplus deionized water is supplied, obtained suspension emulsion product of the present invention, specifically in table 4.
The each component of table 4 embodiment 37 ~ 42 and weight portion
Embodiment 43 ~ 48 aqueous emulsion
Zinc thiazole, active component B, solvent, emulsifier are added together, make to be dissolved into homogeneous oil phase; Deionized water, antifreeze (can add and can not add), thickener (can add and can not add), defoamer are mixed, becomes homogeneous aqueous phase.Under high velocity agitation, aqueous phase is added oil phase, surplus deionized water is supplied; Aqueous emulsion product of the present invention can be obtained, specifically in table 5.
The each component of table 5 embodiment 43 ~ 48 and weight portion
Thifluzamide, fenoxanil, probenazole or 2-cyano-3-amino-3-phenylancryic acetate in table 1 ~ 5 are exchanged, can novel formulation be obtained.
The embodiment of the present invention is the method adopting 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, 0.5≤SR≤1.5 are summation action, SR > 1.5 is synergistic effect, on this basis, then carries out field trial.
Test method: determine that after the effective inhibition concentration scope of each medicament, medicament establishes 5 dosage process respectively by active constituent content through prerun, if clear water contrast.Carry out with reference to " farm-chemical indoor determination test rule bactericide ", adopt mycelial growth rate method to measure medicament to the virulence of crop germ.Measure colony diameter by right-angled intersection method after 72h, calculate each 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 to (x), tries to achieve virulence regression equation (y=a+bx), and calculate the EC of often kind of medicament thus with method of least squares
50value.Calculate two medicament different ratio synergies ratio (SR) according to Wadley method, SR < 0.5 is antagonism, and 0.5≤SR≤1.5 are summation action simultaneously, and SR > 1.5 is synergistic effect.Computing formula is as follows:
Wherein: a, b are respectively active components A and the ratio of active component B shared by combination;
A is zinc thiazole;
B choosing is to the one in thifluzamide, fenoxanil, probenazole or 2-cyano-3-amino-3-phenylancryic acetate.
Application Example two
For examination disease: rice sheath blight disease
Test medicine provides by Shanxi Thompson Biological Technology Co., Ltd..
Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination zinc thiazole and the former medicine of thifluzamide and the two different ratio mixture.
Table 6 zinc thiazole and the composite toxicity test analysis of results table to rice sheath blight disease of thifluzamide
As shown in Table 6, zinc thiazole and thifluzamide proportioning are all greater than 1.5 when 1 ︰ 80 ~ 80 ︰ 1 to the synergy ratio SR of rice sheath blight disease, both explanations mixture in 1 ︰ 80 ~ 80 ︰ 1 scope all shows synergistic effect, the proportioning of zinc thiazole and thifluzamide is when 25:1 ~ 1:15, synergistic effect is more outstanding, synergy ratio is all more than 2.30, the proportioning of zinc thiazole and thifluzamide is when 14:1 ~ 1:4, synergistic effect is the most outstanding, synergy ratio is all more than 2.40, when zinc thiazole and thifluzamide weight ratio are 6:1, synergy ratio is maximum, and synergistic effect is the most obvious.Testing through applicant the optimum ratio finding zinc thiazole and thifluzamide is 25 ︰ 1, 24 ︰ 1, 23 ︰ 1, 22 ︰ 1, 21 ︰ 1, 20 ︰ 1, 19 ︰ 1, 18 ︰ 1, 17 ︰ 1, 16 ︰ 1, 15 ︰ 1, 14 ︰ 1, 13 ︰ 1, 12 ︰ 1, 11 ︰ 1, 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 ︰ 11, 1 ︰ 12, 1 ︰ 13, 1 ︰ 14, to canker during 1 ︰ 15, cecospora spot, banded sclerotial blight, rice blast, leaf blight, the control of bakanae disease or head blight has obvious synergistic effect, synergy ratio is all more than 1.5.
Application Example three
For examination disease: rice blast
Test medicine provides by Shanxi Thompson Biological Technology Co., Ltd..
Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination zinc thiazole and the former medicine of fenoxanil and the two different ratio mixture.
Table 7 zinc thiazole and the composite toxicity test analysis of results table to rice blast of fenoxanil
As shown in Table 7, zinc thiazole and fenoxanil proportioning are all greater than 1.5 when 1 ︰ 80 ~ 80 ︰ 1 to the synergy ratio SR of rice blast, both explanations mixture in 1 ︰ 80 ~ 80 ︰ 1 scope all shows synergistic effect, the proportioning of zinc thiazole and fenoxanil is when 20:1 ~ 1:20, synergistic effect is more outstanding, synergy ratio is all more than 2.25, the proportioning of zinc thiazole and fenoxanil is when 9:1 ~ 1:9, synergistic effect is the most outstanding, synergy ratio is all more than 2.30, when zinc thiazole and fenoxanil weight ratio are 2:1, synergy ratio is maximum, and synergistic effect is the most obvious.Testing through applicant the optimum ratio finding zinc thiazole and fenoxanil is 20 ︰ 1, 19 ︰ 1, 18 ︰ 1, 17 ︰ 1, 16 ︰ 1, 15 ︰ 1, 14 ︰ 1, 13 ︰ 1, 12 ︰ 1, 11 ︰ 1, 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 ︰ 11, 1 ︰ 12, 1 ︰ 13, 1 ︰ 14, 1 ︰ 15, 1 ︰ 16, 1 ︰ 17, 1 ︰ 18, 1 ︰ 19, to canker during 1 ︰ 20, cecospora spot, banded sclerotial blight, rice blast, leaf blight, the control of bakanae disease or head blight has obvious synergistic effect, synergy ratio is all more than 1.5.
Application Example four
For examination disease: rice blast
Test medicine provides by Shanxi Thompson Biological Technology Co., Ltd..
Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination zinc thiazole and the former medicine of probenazole and the two different ratio mixture.
Table 8 zinc thiazole and the composite toxicity test analysis of results table to rice blast of probenazole
As shown in Table 8, zinc thiazole and probenazole proportioning are all greater than 1.5 when 1 ︰ 80 ~ 80 ︰ 1 to the synergy ratio SR of rice blast, both explanations mixture in 1 ︰ 80 ~ 80 ︰ 1 scope all shows synergistic effect, the proportioning of zinc thiazole and probenazole is when 15:1 ~ 1:25, synergistic effect is more outstanding, synergy ratio is all more than 2.30, the proportioning of zinc thiazole and probenazole is when 4:1 ~ 1:14, synergistic effect is the most outstanding, synergy ratio is all more than 2.45, when zinc thiazole and probenazole weight ratio are 1:7, synergy ratio is maximum, synergistic effect is the most obvious.Testing through applicant the optimum ratio finding zinc thiazole and probenazole is 15 ︰ 1, 14 ︰ 1, 13 ︰ 1, 12 ︰ 1, 11 ︰ 1, 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 ︰ 11, 1 ︰ 12, 1 ︰ 13, 1 ︰ 14, 1 ︰ 15, 1 ︰ 16, 1 ︰ 17, 1 ︰ 18, 1 ︰ 19, 1 ︰ 20, 1 ︰ 21, 1 ︰ 22, 1 ︰ 23, 1 ︰ 24, to canker during 1 ︰ 25, cecospora spot, banded sclerotial blight, rice blast, leaf blight, the control of bakanae disease or head blight has obvious synergistic effect, synergy ratio is all more than 1.5.
Application Example five
For examination disease: wheat scab
Test medicine provides by Shanxi Thompson Biological Technology Co., Ltd..
Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination zinc thiazole and the former medicine of 2-cyano-3-amino-3-phenylancryic acetate and the two different ratio mixture.
Table 9 zinc thiazole and the composite toxicity test analysis of results table to wheat scab of 2-cyano-3-amino-3-phenylancryic acetate
As shown in Table 9, zinc thiazole and 2-cyano-3-amino-3-phenylancryic acetate proportioning are all greater than 1.5 when 1 ︰ 80 ~ 80 ︰ 1 to the synergy ratio SR of wheat scab, both explanations mixture in 1 ︰ 80 ~ 80 ︰ 1 scope all shows synergistic effect, the proportioning of zinc thiazole and 2-cyano-3-amino-3-phenylancryic acetate is when 20:1 ~ 1:20, synergistic effect is more outstanding, and synergy ratio is all more than 2.20, and the proportioning of zinc thiazole and 2-cyano-3-amino-3-phenylancryic acetate is when 9:1 ~ 1:9, synergistic effect is the most outstanding, and synergy ratio is all more than 2.30.When zinc thiazole and 2-cyano-3-amino-3-phenylancryic acetate weight ratio are 1:1, synergy ratio is maximum, and synergistic effect is the most obvious.Testing through applicant the optimum ratio finding zinc thiazole and 2-cyano-3-amino-3-phenylancryic acetate is 20 ︰ 1, 19 ︰ 1, 18 ︰ 1, 17 ︰ 1, 16 ︰ 1, 15 ︰ 1, 14 ︰ 1, 13 ︰ 1, 12 ︰ 1, 11 ︰ 1, 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 ︰ 11, 1 ︰ 12, 1 ︰ 13, 1 ︰ 14, 1 ︰ 15, 1 ︰ 16, 1 ︰ 17, 1 ︰ 18, 1 ︰ 19, to canker during 1 ︰ 20, cecospora spot, banded sclerotial blight, rice blast, leaf blight, the control of bakanae disease or head blight has obvious synergistic effect, synergy ratio is all more than 1.5.
Effect experiment part: test medicine is researched and developed by Shanxi Thompson Biological Technology Co., Ltd., provided, contrast medicament: 20% thiazole zincium suspension agent (commercial), 240g/L thifluzamide suspending agent (commercial), 20% fenoxanil suspending agent (autogamy), 8% probenazole granule (commercial), 25% 2-cyano-3-amino-3-phenylancryic acetate suspending agent (autogamy).
Application Example six zinc thiazole and active component B and the composite water prevention rice sheath blight test of pesticide effectiveness thereof
This test arrangement is at Shaanxi Province's Hanzhong City, and investigation rice sheath blight disease disease index before medicine, in the dispenser of disease initial stage of origination, 3 days, 10 days, 20 days investigation disease indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 10 zinc thiazole and active component B and the composite water prevention rice sheath blight test of pesticide effectiveness thereof
As can be seen from Table 10, zinc thiazole and active component B composite after can the effective water prevention rice sheath blight, through applicant test find zinc thiazole and active component B composite after also effectively can prevent and treat rice blast, Rice Leaf rot, bakanae disease of rice or rice streak, control efficiency is all higher than 97%, be better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example seven zinc thiazole and active component B and the composite control rice blast test of pesticide effectiveness thereof
This test arrangement is at Shaanxi Province's Hanzhong City, and investigation rice blast disease index before medicine, in the dispenser of disease initial stage of origination, 3 days, 10 days, 20 days investigation disease indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 11 zinc thiazole and active component B and the composite control rice blast test of pesticide effectiveness thereof
As can be seen from Table 11, zinc thiazole and active component B composite after effectively can prevent and treat rice blast, through applicant test find zinc thiazole and active component B composite after also can effectively the water prevention rice sheath blight, Rice Leaf rot, bakanae disease of rice or rice streak, control efficiency is all higher than 97%, be better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example eight zinc thiazole and active component B and the composite control paddy rice leaf blight test of pesticide effectiveness thereof
This test arrangement is at Shaanxi Province's Hanzhong City, and investigation Rice Leaf rot disease index before medicine, in the dispenser of disease initial stage of origination, 3 days, 10 days, 20 days investigation disease indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 12 zinc thiazole and active component B and the composite control paddy rice leaf blight test of pesticide effectiveness thereof
As can be seen from Table 12, zinc thiazole and active component B composite after can effectively prevent and treat paddy rice leaf blight, through applicant test find zinc thiazole and active component B composite after also can effectively the water prevention rice sheath blight, rice blast, bakanae disease of rice, rice streak, control efficiency is all higher than 97%, be better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example nine zinc thiazole and active component B and compositely prevent and treat the wheat scab test of pesticide effectiveness
This test arrangement is at Xianyang, Shanxi province suburban area, and investigation wheat scab disease index before medicine, in the dispenser of disease initial stage of origination, 3 days, 10 days, 20 days investigation disease indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 13 zinc thiazole and active component B and compositely prevent and treat the wheat scab test of pesticide effectiveness
As can be seen from Table 13, zinc thiazole and active component B composite after effectively can prevent and treat wheat scab, through applicant test find zinc thiazole and active component B composite after also effectively can prevent and treat wheat sharp eyespot, control efficiency is all higher than 97%, be better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example ten zinc thiazole and active component B and the composite control mandarin tree canker test of pesticide effectiveness thereof
This test arrangement is at Shaanxi Province's Hanzhong City, and investigation mandarin tree canker disease index before medicine, in the dispenser of disease initial stage of origination, 3 days, 10 days, 20 days investigation disease indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 14 zinc thiazole and active component B and the composite control mandarin tree canker test of pesticide effectiveness thereof
As can be seen from Table 14, zinc thiazole and active component B composite after can effectively prevent and treat mandarin tree canker, control efficiency, all higher than 97%, is better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
After draw through tests different local throughout the country, zinc thiazole and the composite rear preventive effect to Common Diseases such as the canker in various crop, cecospora spot, banded sclerotial blight, rice blast, bacterial leaf-blight, bakanae disease or head blight of thifluzamide, fenoxanil, probenazole or 2-cyano-3-amino-3-phenylancryic acetate are all more than 97%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. the efficient bactericidal composite containing zinc thiazole, effective active composition is active components A and active component B, it is characterized in that: active components A and active component B weight ratio are 1 ︰ 80 ~ 80 ︰ 1, described active components A is selected from zinc thiazole, and active component B is selected from the one in thifluzamide, fenoxanil, probenazole or 2-cyano-3-amino-3-phenylancryic acetate.
2. the efficient bactericidal composite containing zinc thiazole according to claim 1, is characterized in that: the weight ratio of active components A and active component B is 1 ︰ 50 ~ 50 ︰ 1.
3. the efficient bactericidal composite containing zinc thiazole according to claim 2, is characterized in that:
The weight ratio of zinc thiazole and thifluzamide is 25:1 ~ 1:15;
The weight ratio of zinc thiazole and fenoxanil is 20:1 ~ 1:20;
The weight ratio of zinc thiazole and probenazole is 15:1 ~ 1:25;
The weight ratio of zinc thiazole and 2-cyano-3-amino-3-phenylancryic acetate is 20:1 ~ 1:20.
4. the efficient bactericidal composite containing zinc thiazole according to any one of claim 1 to 3, is characterized in that: composition makes wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion.
5. the efficient bactericidal composite containing zinc thiazole according to claim 4 is for preventing and treating the purposes of disease on crops.
6. purposes according to claim 5, is characterized in that, described disease is: canker, cecospora spot, banded sclerotial blight, rice blast, leaf blight, bakanae disease or head blight.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104396970A (en) * | 2014-11-11 | 2015-03-11 | 浙江新农化工股份有限公司 | Sterilizing composition containing zinc thiazole, preparation and applications thereof |
| CN104585220A (en) * | 2014-12-30 | 2015-05-06 | 浙江新农化工股份有限公司 | Agricultural composition containing zinc thiazole and phenamacril, and preparation and application thereof |
| CN108935489A (en) * | 2017-05-17 | 2018-12-07 | 浙江新农化工股份有限公司 | Composition and its preparation and application containing zinc thiazole and smart M 9834 |
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- 2013-11-19 CN CN201310589312.6A patent/CN104642346A/en active Pending
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| CN104396970A (en) * | 2014-11-11 | 2015-03-11 | 浙江新农化工股份有限公司 | Sterilizing composition containing zinc thiazole, preparation and applications thereof |
| CN104585220A (en) * | 2014-12-30 | 2015-05-06 | 浙江新农化工股份有限公司 | Agricultural composition containing zinc thiazole and phenamacril, and preparation and application thereof |
| CN104585220B (en) * | 2014-12-30 | 2016-10-19 | 浙江新农化工股份有限公司 | A kind of containing zinc thiazole and the agriculturally useful compositions of 2-cyano-3-amino-3-phenylancryic acetate and preparation thereof with application |
| CN108935489A (en) * | 2017-05-17 | 2018-12-07 | 浙江新农化工股份有限公司 | Composition and its preparation and application containing zinc thiazole and smart M 9834 |
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