CN105284925A - Sterilization composition containing polygonum cuspidatum extracts - Google Patents
Sterilization composition containing polygonum cuspidatum extracts Download PDFInfo
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- CN105284925A CN105284925A CN201410327968.5A CN201410327968A CN105284925A CN 105284925 A CN105284925 A CN 105284925A CN 201410327968 A CN201410327968 A CN 201410327968A CN 105284925 A CN105284925 A CN 105284925A
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Abstract
The invention discloses a sterilization composition containing polygonum cuspidatum extracts. The sterilization composition comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is selected from the polygonum cuspidatum extracts; the active ingredient B is any one of the following compounds: fenarimol and spiroxamine; the weight ratio of the active ingredient A to the active ingredient B is (1:80)-(80:1). The composition disclosed by the invention has relatively high activity on multiple diseases of multiple crops, has an obvious synergistic effect, enlarges a bactericidal spectrum and has the characteristics of being small in dosage, resistant to rainwash and obvious in synergism.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of bactericidal composition in crop pest containing Gentrin Knotweed P.E.
Technical background
Gentrin Knotweed P.E is the traditional Chinese medicine of China, and " agricultural chemicals " magazine the 7th phase in 2007 reports Gentrin Knotweed P.E and chorista to the action effect of powdery mildew of cucumber, is a kind of botanical pesticide, has obvious preventive and therapeutic action to plurality of plant diseases.
Fenarimol, volution bacterium amine are all some common wide-spectrum bactericides.
Summary of the invention
Gentrin Knotweed P.E, Fenarimol, volution bacterium amine single dose Long-Time Service may bring resistance to occur, degradation problem under drug effect, and the bactericidal composition that the present invention proposes contains active components A and active component B, and appropriate surfactant and carrier.
A kind of bactericidal composition containing Gentrin Knotweed P.E, containing active components A and active component B, active components A and active component B weight ratio are 1 ︰ 80 ~ 80 ︰ 1, and described active components A is selected from Gentrin Knotweed P.E, and active component B is selected from the one in Fenarimol, volution bacterium amine.Active components A and active component B preferably weight ratio are 1 ︰ 60 ~ 60 ︰ 1; The weight ratio being more preferably Gentrin Knotweed P.E and Fenarimol is 1 ︰ 10 ~ 20 ︰ 1, and the weight ratio of Gentrin Knotweed P.E and volution bacterium amine is 1 ︰ 20 ~ 10 ︰ 1.
The described bactericidal composition containing Gentrin Knotweed P.E is for preventing and treating the disease of crops, and described crops comprise cereal crops, legume crop, oil crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, flower crop, medicinal crop, crop, green manure pasture crop.
Described disease comprises rice blast, brown spot, leaf blight, banded sclerotial blight, powdery mildew, rust, late blight, leaf spot, downy mildew, ring spot, spot defoliation, scab, anthracnose, head blight, rot, gray mold, graywall, leaf spot, gray mold, peach brown rot, smut, penicilliosis, green mould, stalk break, bakanae disease.
In the present composition, the content of active component depends on amount of application when being used alone, and also depends on mixed ratio and the synergistic effect degree of a kind of compound and another kind of compound, simultaneously also relevant with target disease.In usual composition, the weight percentage of active component is 1% ~ 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% ~ 60%, 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 2% ~ 30% of total formulation weight amount, and surplus is solid or liquid diluent.
Surfactant selected by 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 defoamer.According to different dosage form, in preparation, stabilizing agent known in those skilled in the art, antifreeze etc. can also be contained.
Bactericidal composition of the present invention can by user before use through diluting or directly using.Its preparation can be prepared by processing method known in those skilled in the art, after mixing, then adds surfactant as one or more in dispersant, stabilizing agent, wetting agent, binding agent, defoamer etc. by active component with liquid flux or solid carrier.
Bactericidal composition of the present invention, can be processed into acceptable formulation on any agricultural chemicals on demand, and wherein preferred dosage form is wetting powder, water dispersible granules, suspending agent, suspension emulsion, microemulsion, aqueous emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
Composition comprises following component and content when making wetting powder: active components A 1% ~ 80%, active component B1% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, filler surplus.
Composition comprises following component and content when making water dispersible granules: active components A 1% ~ 80%, active component B1% ~ 80%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 8%, filler surplus.
Composition comprises following component and content when making suspending agent: active components A 1% ~ 50%, active component B1% ~ 50%, dispersant 1% ~ 10%, wetting agent 1% ~ 10%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following component and content when making suspension emulsion: active components A 1% ~ 50%, active component B1% ~ 50%, emulsifier 1% ~ 10%, dispersant 1% ~ 10%, solvent 0 ~ 20%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, stabilizing agent 0 ~ 3%, deionized water add to 100%.
Composition comprises following component and content when making microemulsion: active components A 1% ~ 50%, active component B1% ~ 50%, emulsifier 3% ~ 25%, solvent 1% ~ 10%, antifreeze 0 ~ 8%, stabilizing agent 0 ~ 3%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making aqueous emulsion: active components A 1% ~ 50%, active component B1% ~ 50%, solvent 1% ~ 20%, emulsifier 1% ~ 12%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making microcapsule suspending agent: active components A 1% ~ 50%, active component B1% ~ 50%, macromolecule cyst material 1% ~ 10%, dispersant 2% ~ 10%, solvent 1% ~ 10%, emulsifier 1% ~ 7%, pH adjusting agent 0.01% ~ 5%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making microcapsule suspension-suspendinagent agent: active components A 1% ~ 50%, active component B1% ~ 50%, macromolecule cyst material 1% ~ 12%, dispersant 1%-12%, wetting agent 1%-8%, solvent 1% ~ 15%, emulsifier 1% ~ 8%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, pH adjusting agent 0.01% ~ 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 suspension-suspendinagent agent the key technical indexes of the present invention:
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) pesticide usage amount reduces, and reduces the residual quantity of agricultural chemicals on crop, alleviates environmental pollution; (3) fungicidal spectrum is expanded, to multiple diseases as rice blast, brown spot, leaf blight, banded sclerotial blight, powdery mildew, rust, late blight, leaf spot, downy mildew, ring spot, spot defoliation, scab, anthracnose, head blight, rot, gray mold, graywall, leaf spot, gray mold, peach brown rot, smut, penicilliosis, green mould, stalk break, bakanae disease have greater activity.
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: Gentrin Knotweed P.E is correlated with compound product embodiment (following content is and amounts to percentage composition).
Example 1 ~ 8 wetting powder
By Gentrin Knotweed P.E, active ingredient B, dispersant, wetting agent, filler mixing, mix in mixed cylinder, mix again after airslide disintegrating mill is pulverized, namely can be made into wetting powder product of the present invention.Specifically in table 1.
The each component of table 1 example 1 ~ 8 and content
Example 9 ~ 15 water dispersible granules
Gentrin Knotweed P.E, active ingredient B, dispersant, wetting agent, binding agent, disintegrant, filler are obtained together the particle diameter needed through air-flow crushing, obtain granulation materials.Item is quantitatively sent in fluidized bed granulating dryer through granulating and after drying, obtaining water dispersible granules product of the present invention.Specifically in table 2.
The each component of table 2 example 9 ~ 15 and content
Example 16 ~ 20 suspending agent
Dispersant, wetting agent, defoamer, thickener, antifreeze are mixed through high speed shear, add Gentrin Knotweed P.E, active ingredient B, surplus deionized water is supplied, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained oil-suspending agent product of the present invention.Specifically in table 3.
The each component of table 3 example 16 ~ 20 and content
Example 21 ~ 24 suspension emulsion
Dispersant, defoamer, thickener, antifreeze, stabilizing agent, solvent in above-mentioned formulation material are mixed through high speed shear, add Gentrin Knotweed P.E, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained Gentrin Knotweed P.E suspending agent, then by active component B, emulsifier and the direct emulsification of various auxiliary agent high speed agitators in suspending agent, obtained suspension emulsion product of the present invention.Specifically in table 4.
The each component of table 4 example 21 ~ 24 and content
Example 25 ~ 32 aqueous emulsion
Gentrin Knotweed P.E, active ingredient B, solvent, emulsifier are added together, make to be dissolved into homogeneous oil phase; Deionized water, antifreeze, thickener, defoamer are mixed, becomes homogeneous aqueous phase.Under high velocity agitation, aqueous phase is added oil phase, obtained aqueous emulsion product of the present invention.Specifically in table 5.
The each component of table 5 example 25 ~ 32 and content
Example 33 ~ 34 microcapsule suspending agent
By Gentrin Knotweed P.E, active component B, macromolecule cyst material, solvent, make to be dissolved into homogeneous oil phase, in a shear condition, oil phase is joined in the aqueous phase solution containing emulsifier, pH adjusting agent, dispersant, defoamer, surplus deionized water is supplied, bi-material reacts at oil-water interfaces, forms macromolecule cyst wall, makes the finely disseminated microcapsule suspending agent product of the present composition.Specifically in table 6.
The each component of table 6 example 33 ~ 34 and content
Example 35,36 microcapsule suspension-suspendinagent agent
By active component B, macromolecule cyst material, solvent, make to be dissolved into homogeneous oil phase, oil phase is joined in a shear condition in the aqueous phase solution containing emulsifier, pH adjusting agent, make finely disseminated microcapsule suspending agent.Dispersant, wetting agent, defoamer, thickener are mixed through high speed shear, add Gentrin Knotweed P.E, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained suspending agent, then join in the aqueous phase solution of micro-capsule suspension by suspending agent, deionized water supplies surplus, makes the finely disseminated microcapsule suspension-suspendinagent agent product of the present composition.Specifically in table 7.
Table 7 example 35,36 each component and content
Active component B Fenarimol, volution bacterium amine in table 1 ~ 7 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 pass through Toxicity Determination, 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 carry 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), liquor strength (μ g/mL) converts logarithm value (x) to, try to achieve virulence regression equation (y=a+bx) with method of least squares, and calculate the EC50 value of often kind of medicament thus.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 Gentrin Knotweed P.E;
B choosing is to the one in Fenarimol, volution bacterium amine.
Application Example two:
For examination disease: apple mildew.
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Gentrin Knotweed P.E and the former medicine of Fenarimol and the two different ratio mixture.
Table 8 Gentrin Knotweed P.E and the composite toxicity test analysis of results table to apple mildew of Fenarimol
As shown in Table 8, Gentrin Knotweed P.E and Fenarimol proportioning are all greater than 1.5 when 1 ︰ 80 ~ 80 ︰ 1 to the synergy ratio SR of apple mildew, both explanations mixture in 1 ︰ 80 ~ 80 ︰ 1 scope all shows synergistic effect, when the proportioning of Gentrin Knotweed P.E and Fenarimol is at 1 ︰ 10 ~ 20 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all more than 2.05.Especially when Gentrin Knotweed P.E and Fenarimol weight ratio are 2:1, synergy ratio is maximum, and synergistic effect is the most obvious.Testing through applicant the proportioning finding Gentrin Knotweed P.E and Fenarimol is 20:1, 15:1, 10:1, 5:1, 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8, 1:9, during 1:10, Gentrin Knotweed P.E and Fenarimol composite to rice blast, brown spot, leaf blight, banded sclerotial blight, powdery mildew, rust, late blight, leaf spot, downy mildew, ring spot, spot defoliation, scab, anthracnose, head blight, rot, gray mold, graywall, leaf spot, gray mold, peach brown rot, smut, penicilliosis, green mould, stalk break, the control of bakanae disease has obvious synergistic effect, synergy ratio is all more than 1.50.
Application Example three:
For examination disease: wheat powdery mildew.
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Gentrin Knotweed P.E and the former medicine of volution bacterium amine and the two different ratio mixture.
Toxicity test result
Table 9 Gentrin Knotweed P.E and the composite toxicity test analysis of results table to wheat powdery mildew of volution bacterium amine
As shown in Table 9, Gentrin Knotweed P.E and volution bacterium amine proportioning are all greater than 1.5 when 1 ︰ 80 ~ 80 ︰ 1 to the synergy ratio SR of wheat powdery mildew, both explanations mixture in 1 ︰ 80 ~ 80 ︰ 1 scope all shows synergistic effect, when the proportioning of Gentrin Knotweed P.E and volution bacterium amine is at 1 ︰ 20 ~ 10 ︰ 1, synergistic effect is more obviously given prominence to, and synergy ratio is all more than 2.00.Especially when Gentrin Knotweed P.E and volution bacterium amine weight ratio are 1:4, synergy ratio is maximum, and synergistic effect is the most obvious.Testing through applicant the proportioning finding Gentrin Knotweed P.E and volution bacterium amine is 10:1, 9:1, 8:1, 7:1, 6:1, 5:1, 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8, 1:9, 1:10, 1:15, during 1:20, Gentrin Knotweed P.E and volution bacterium amine composite to rice blast, brown spot, leaf blight, banded sclerotial blight, powdery mildew, rust, late blight, leaf spot, downy mildew, ring spot, spot defoliation, scab, anthracnose, head blight, rot, gray mold, graywall, leaf spot, gray mold, peach brown rot, smut, penicilliosis, green mould, the control of stalk break has obvious synergistic effect, synergy ratio is all more than 1.50.
Application Example four Gentrin Knotweed P.E and active component B and the composite control pear scab test of pesticide effectiveness thereof
This test arrangement is in Xianyang, Shanxi province city, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 10% Gentrin Knotweed P.E wetting powder (autogamy), 6% Fenarimol wetting powder (commercial), 25% volution bacterium amine missible oil (commercial).
The investigation pear scab state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 10 Gentrin Knotweed P.E and active component B and the composite control pear scab test of pesticide effectiveness thereof
As can be seen from Table 10, Gentrin Knotweed P.E and active component B composite after effectively can prevent and treat pear scab, control efficiency is all 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 five Gentrin Knotweed P.E and active component B and the composite control wheat powdery mildew test of pesticide effectiveness thereof
This test arrangement is in Sanyuan County, Xianyang, Shanxi province city, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 10% Gentrin Knotweed P.E wetting powder (autogamy), 6% Fenarimol wetting powder (commercial), 25% volution bacterium amine missible oil (commercial).
The investigation wheat powdery mildew state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 11 Gentrin Knotweed P.E and active component B and the composite control wheat powdery mildew test of pesticide effectiveness thereof
As can be seen from Table 11, Gentrin Knotweed P.E and active component B composite after effectively can prevent and treat wheat powdery mildew, control efficiency is all 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 six Gentrin Knotweed P.E and active component B and compositely prevent and treat the apple mildew test of pesticide effectiveness
This test arrangement is in Xianyang, Shanxi province city, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 10% Gentrin Knotweed P.E wetting powder (autogamy), 6% Fenarimol wetting powder (commercial), 25% volution bacterium amine missible oil (commercial).
The investigation apple mildew state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 3 times.Within after third time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 12 Gentrin Knotweed P.E and active component B and compositely prevent and treat the apple mildew test of pesticide effectiveness
As can be seen from Table 12, Gentrin Knotweed P.E and active component B composite after effectively can prevent and treat apple mildew, control efficiency is all 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 Gentrin Knotweed P.E and active component B and compositely prevent and treat the wheat rust test of pesticide effectiveness
This test arrangement is at Shaanxi Province's Hanzhong City, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 10% Gentrin Knotweed P.E wetting powder (autogamy), 6% Fenarimol wetting powder (commercial), 25% volution bacterium amine missible oil (commercial).
The investigation wheat rust state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 13 Gentrin Knotweed P.E and active component B and compositely prevent and treat the wheat rust test of pesticide effectiveness
As can be seen from Table 13, Gentrin Knotweed P.E and active component B composite after effectively can prevent and treat wheat rust, control efficiency is all 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 Gentrin Knotweed P.E and active component B and compositely prevent and treat the sick test of pesticide effectiveness of powdery mildew of cucumber
This test arrangement is in Jingyang County, Shaanxi Province, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 10% Gentrin Knotweed P.E wetting powder (autogamy), 6% Fenarimol wetting powder (commercial), 25% volution bacterium amine missible oil (commercial).
The investigation powdery mildew of cucumber state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 14 Gentrin Knotweed P.E and active component B and compositely prevent and treat the powdery mildew of cucumber test of pesticide effectiveness
As can be seen from Table 14, Gentrin Knotweed P.E and active component B composite after effectively can prevent and treat powdery mildew of cucumber, control efficiency is all 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 Gentrin Knotweed P.E and active component B and the composite control tomato blight test of pesticide effectiveness thereof
This test arrangement is at Xian District, Shanxi Province suburban area, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 10% Gentrin Knotweed P.E wetting powder (autogamy), 6% Fenarimol wetting powder (commercial), 25% volution bacterium amine missible oil (commercial).
The investigation tomato blight state of an illness before medicine, in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 15 Gentrin Knotweed P.E and active component B and the composite control tomato blight test of pesticide effectiveness thereof
As can be seen from Table 15, Gentrin Knotweed P.E and active component B composite after effectively can prevent and treat tomato blight, control efficiency is all 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.
The rose powdery mildew test of pesticide effectiveness is viewed and admired in Application Example ten Gentrin Knotweed P.E and active component B and composite control thereof
This test arrangement is at Jinan City, Shandong Province Pingying County, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 10% Gentrin Knotweed P.E wetting powder (autogamy), 6% Fenarimol wetting powder (commercial), 25% volution bacterium amine missible oil (commercial).
Before medicine, the rose powdery mildew state of an illness is viewed and admired in investigation, and in the first time dispenser of state of an illness initial stage, dispenser in every 7 days once, is total to dispenser 2 times.Within after second time dispenser 7 days, 14 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
The rose powdery mildew test of pesticide effectiveness is viewed and admired in table 16 Gentrin Knotweed P.E and active component B and composite control thereof
As can be seen from Table 16, Gentrin Knotweed P.E and active component B composite after effectively can prevent and treat and view and admire rose powdery mildew, control efficiency is all 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, Gentrin Knotweed P.E and Fenarimol, the composite rear preventive effect to Common Diseases such as the rice blast in various crop, brown spot, leaf blight, banded sclerotial blight, powdery mildew, rust, late blight, leaf spot, downy mildew, ring spot, spot defoliation, scab, anthracnose, head blight, rot, gray mold, graywall, leaf spot, gray mold, peach brown rot, smut, penicilliosis, green mould, stalk break, bakanae disease of volution bacterium amine are all more than 95%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (7)
1. the bactericidal composition containing Gentrin Knotweed P.E, it is characterized in that containing 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 Gentrin Knotweed P.E, and active component B is selected from the one in Fenarimol, volution bacterium amine.
2. the bactericidal composition containing Gentrin Knotweed P.E according to claim 1, is characterized in that: the weight ratio of active components A and active component B is 1 ︰ 60 ~ 60 ︰ 1.
3. the bactericidal composition containing Gentrin Knotweed P.E according to claim 2, is characterized in that: the weight ratio of Gentrin Knotweed P.E and Fenarimol is 1 ︰ 10 ~ 20 ︰ 1.
4. the bactericidal composition containing Gentrin Knotweed P.E according to claim 2, is characterized in that: the weight ratio of Gentrin Knotweed P.E and volution bacterium amine is 1 ︰ 20 ~ 10 ︰ 1.
5. the bactericidal composition containing Gentrin Knotweed P.E according to claim 1, is characterized in that: composition makes wetting powder, water dispersible granules, suspending agent, suspension emulsion, microemulsion, aqueous emulsion, microcapsule suspending agent.
6. the bactericidal composition containing Gentrin Knotweed P.E according to claim 1 is for preventing and treating the application of crop pest.
7. application according to claim 6, is characterized in that: described disease comprises rice blast, brown spot, leaf blight, banded sclerotial blight, powdery mildew, rust, late blight, leaf spot, downy mildew, ring spot, spot defoliation, scab, anthracnose, head blight, rot, gray mold, graywall, leaf spot, gray mold, peach brown rot, smut, penicilliosis, green mould, stalk break, bakanae disease.
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| Application Number | Priority Date | Filing Date | Title |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102548418A (en) * | 2009-07-30 | 2012-07-04 | 玛珑生物创新有限公司 | Plant pathogen inhibitor combinations and methods of use |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102548418A (en) * | 2009-07-30 | 2012-07-04 | 玛珑生物创新有限公司 | Plant pathogen inhibitor combinations and methods of use |
Non-Patent Citations (3)
| Title |
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| 上海市农业技术推广服务中心: "《农药安全使用手册》", 30 September 2009, 上海科学技术出版社 * |
| 刘长令: "《世界农药大全 杀菌剂卷》", 31 January 2006, 化学工业出版社 * |
| 赵恭文: "杀菌植物筛选及其活性成分鉴定", 《中国优秀硕士学位论文全文数据库农业科技辑》 * |
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Address after: 715500 Pucheng high tech Industrial Development Zone, Weinan, Shaanxi Applicant after: Shaanxi Mei Bang Pharmaceutical Group Limited by Share Ltd Address before: 715500 Shaanxi Pucheng Weinan County agricultural base industrial park Applicant before: Shaanxi Meibang Pesticide Co., Ltd. |
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Application publication date: 20160203 |
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