CN103583536B - A kind of composition pesticide - Google Patents
A kind of composition pesticide Download PDFInfo
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- CN103583536B CN103583536B CN201210294566.0A CN201210294566A CN103583536B CN 103583536 B CN103583536 B CN 103583536B CN 201210294566 A CN201210294566 A CN 201210294566A CN 103583536 B CN103583536 B CN 103583536B
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- hexanaphthene flusulfamide
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- 239000000575 pesticide Substances 0.000 title claims abstract description 33
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of composition pesticide, composition pesticide contains active components A and active component B, active components A is Hexanaphthene flusulfamide, active component B is selected from any one compound following: pyraclostrobin, fluoxastrobin, SSF 126, Enestroburin, SYP-3375, orysastrobin, and the weight ratio of active components A and active component B is 1 ︰ 60 ~ 80 ︰ 1.The present composition has greater activity to the multiple diseases in various crop, and has obvious synergistic effect, expands fungicidal spectrum.And have that dosage is little, resistance of rainwater washing against, the obvious feature of synergy.
Description
Technical field
The invention belongs to technical field of pesticide, relate to the application of a kind of composition pesticide on corps diseases.
Technical background
Hexanaphthene flusulfamide chemical name: N-(2-trifluoromethyl-4-chlorophenyl)-a-oxocyclohexyl sulfonamide.It has stronger prevention, treatment and osmotically active, and has higher lasting effect.Show through field test results, Hexanaphthene flusulfamide can prevent and treat gray mold, sclerotinia rot of colza, Cucumber Target Leaf Spot and scab effectively.
Pyraclostrobin, fluoxastrobin, SSF 126, Enestroburin, SYP-3375, orysastrobin are all bactericide of methoxy acrylic, the bactericide of methoxy acrylic is the outer inhibitor of quinone, by the electron transmission of block cell pigment b and cytochrome c 1, suppress mitochondrial respiratory.Selectivity derives from the deesterify of plant corpus endoenzyme.There is protectiveness, therapeutic, eradicant and long residual effect, suppress spore germination.
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 agricultural chemicals 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 Hexanaphthene flusulfamide and pyraclostrobin, fluoxastrobin, SSF 126, Enestroburin, SYP-3375, orysastrobin mutually composite, there is good synergistic effect within the specific limits, and about Hexanaphthene flusulfamide and pyraclostrobin, fluoxastrobin, SSF 126, Enestroburin, SYP-3375, orysastrobin relevant composite, there is not yet relevant report at home and abroad at present.
Summary of the invention
The object of the invention is to propose a kind of to there is synergistic function, use cost is low, preventive effect is good composition pesticide.
The present invention is achieved through the following technical solutions:
A kind of composition pesticide, it is characterized in that containing active components A and active component B, active components A and active component B weight ratio are 1 ︰ 60 ~ 80 ︰ 1, described active components A is selected from Hexanaphthene flusulfamide, and active component B is selected from the one in pyraclostrobin, fluoxastrobin, SSF 126, Enestroburin, SYP-3375, orysastrobin; Active components A and the preferred weight ratio of active component B are 1 ︰ 40 ~ 60 ︰ 1; The weight ratio being more preferably Hexanaphthene flusulfamide and pyraclostrobin or Enestroburin is 1 ︰ 10 ~ 30 ︰ 1, the weight ratio of Hexanaphthene flusulfamide and fluoxastrobin or orysastrobin or SSF 126 is 1 ︰ 10 ~ 25 ︰ 1, and the weight ratio of Hexanaphthene flusulfamide and SYP-3375 is 1 ︰ 10 ~ 35 ︰ 1.The weight ratio most preferably being Hexanaphthene flusulfamide and pyraclostrobin or fluoxastrobin or Enestroburin or orysastrobin or SSF 126 is 1 ︰ 5 ~ 15 ︰ 1, and the weight ratio of Hexanaphthene flusulfamide and SYP-3375 is 1 ︰ 5 ~ 20 ︰ 1.
Described composition pesticide is for preventing and treating the disease of 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 gray mold, stalk break, brown spot, scab, anthracnose, downy mildew, powdery mildew, spike rot, leaf spot, rust, glume blight, net blotch, epidemic disease, moire disease, smut, leaf stripe, rot, rice blast, banded sclerotial blight.
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 2% ~ 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 composition pesticide 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.
Composition pesticide 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 with liquid flux or solid carrier by active component, then add surfactant as one or more in dispersant, stabilizing agent, wetting agent, binding agent, antifreeze, disintegrant, defoamer etc.
Composition pesticide 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, microemulsion, aqueous emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
Composition comprises following component and content when making wetting powder: active components A 0.5% ~ 80%, active component B0.5% ~ 60%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, filler surplus.
Composition comprises following component and content when making water dispersible granules: active components A 0.5% ~ 80%, active component B 0.5% ~ 60%, 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 0.5% ~ 50%, active component B 0.5% ~ 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 0.5% ~ 50%, active component B 0.5% ~ 50%, emulsifier 1% ~ 10%, dispersant 1% ~ 10%, solvent 1% ~ 20%, defoamer 0.01% ~ 2%, thickener 0 ~ 2%, antifreeze 0 ~ 8%, deionized water add to 100%.
Composition comprises following component and content when making microemulsion: active components A 0.5% ~ 50%, active component B0.5% ~ 50%, emulsifier 3% ~ 25%, solvent 1% ~ 20%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, deionized water add to 100%.
Composition comprises following component and content when making aqueous emulsion: active components A 0.5% ~ 50%, active component B 0.5% ~ 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 0.5% ~ 50%, active component B0.5% ~ 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 0.5% ~ 50%, active component B0.5% ~ 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 suspending agent 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) expand fungicidal spectrum, have greater activity to multiple diseases.
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
Example 1 ~ 16 wetting powder
By Hexanaphthene flusulfamide, active component 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 ~ 16 and content
Example 17 ~ 32 water dispersible granules
Hexanaphthene flusulfamide, active component B, dispersant, wetting agent, disintegrant, filler 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, obtaining water dispersible granules product of the present invention.Specifically in table 2.
The each component of table 2 example 17 ~ 32 and content
Example 33 ~ 48 suspending agent
Dispersant, wetting agent, defoamer, thickener (can add and can not add), antifreeze (can add and can not add) are mixed through high speed shear, add Hexanaphthene flusulfamide, active component B, surplus deionized water is supplied, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained suspending agent product of the present invention.Specifically in table 3.
The each component of table 3 example 33 ~ 48 and content
Example 49 ~ 64 suspension emulsion
Dispersant, defoamer, thickener (can add and can not add), antifreeze (can add and can not add), deionized water are mixed through high speed shear, add Hexanaphthene flusulfamide, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained Hexanaphthene flusulfamide suspending agent, then by active component B, solvent, 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 4,5,6.The each component of table 4 example 49 ~ 54 and content
The each component of table 5 example 55 ~ 59 and content
The each component of table 6 example 60 ~ 64 and content
Example 65 ~ 72 aqueous emulsion
Hexanaphthene flusulfamide, 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, obtained aqueous emulsion product of the present invention.Specifically in table 7.
The each component of table 7 example 65 ~ 72 and content
Pyraclostrobin, fluoxastrobin, SSF 126, Enestroburin, SYP-3375, orysastrobin in table 1 to table 7 are exchanged, can novel formulation be obtained.
Example 73 ~ 75 microemulsion
Hexanaphthene flusulfamide, active component B are dissolved in and are equipped with in the homogenizer of solvent, emulsifier, antifreeze (can add and can not add), defoamer are joined in the homogenizer that above-mentioned solution is housed, give strong mixing after supplying surplus by deionized water and homogenize, finally obtain the microemulsion product of the present invention that clear appearance is transparent.Specifically in table 8.
The each component of table 8 example 73 ~ 75 and content
Example 76 ~ 78 microcapsule suspending agent
By Hexanaphthene flusulfamide, 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 9.
The each component of table 9 example 76 ~ 78 and content
Example 79 ~ 81 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 (can add and can not add) are mixed through high speed shear, add Hexanaphthene flusulfamide, 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 10.
The each component of table 10 example 79 ~ 81 and content
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 Hexanaphthene flusulfamide; B choosing is to the one in pyraclostrobin, fluoxastrobin, SSF 126, Enestroburin, SYP-3375, orysastrobin.
Application Example two:
For examination disease: pear scab; Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd.; Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Hexanaphthene flusulfamide and the former medicine of pyraclostrobin and the two different ratio mixture.
Toxicity test result
Table 11 Hexanaphthene flusulfamide and the composite toxicity test analysis of results table to pear scab of pyraclostrobin
As shown in Table 11, Hexanaphthene flusulfamide and pyraclostrobin to pear scab proportioning when 1 ︰ 60 ~ 80 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 60 ~ 80 ︰ 1 scope all shows synergistic effect, when the proportioning of Hexanaphthene flusulfamide and pyraclostrobin is at 1 ︰ 10 ~ 30 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.25.Optimum ratio through test discovery Hexanaphthene flusulfamide and pyraclostrobin is 30:1,25:1,20:1,15:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10, especially when Hexanaphthene flusulfamide and pyraclostrobin weight ratio are 4:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example three:
For examination disease: Cucumber Target Leaf Spot; Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd.; Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Hexanaphthene flusulfamide and the former medicine of fluoxastrobin and the two different ratio mixture.
Toxicity test result
Table 12 Hexanaphthene flusulfamide and the composite toxicity test analysis of results table to Cucumber Target Leaf Spot of fluoxastrobin
As shown in Table 12, Hexanaphthene flusulfamide and fluoxastrobin to Cucumber Target Leaf Spot proportioning when 1 ︰ 60 ~ 80 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 60 ~ 80 ︰ 1 scope all shows synergistic effect, when the proportioning of Hexanaphthene flusulfamide and fluoxastrobin is at 1 ︰ 10 ~ 25 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.20.Optimum ratio through test discovery Hexanaphthene flusulfamide and fluoxastrobin is 25:1,20:1,15:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,5:2,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10, especially when Hexanaphthene flusulfamide and fluoxastrobin weight ratio are 5:2, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example four:
For examination disease: rice blast; Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd.; Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Hexanaphthene flusulfamide and the former medicine of SSF 126 and the two different ratio mixture.
Toxicity test result
Table 13 Hexanaphthene flusulfamide and the composite toxicity test analysis of results table to rice blast of SSF 126
As shown in Table 13, Hexanaphthene flusulfamide and SSF 126 to rice blast proportioning when 1 ︰ 60 ~ 80 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 60 ~ 80 ︰ 1 scope all shows synergistic effect, when the proportioning of Hexanaphthene flusulfamide and SSF 126 is at 1 ︰ 10 ~ 25 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.35.Optimum ratio through test discovery Hexanaphthene flusulfamide and SSF 126 is 25:1,20:1,15:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,5:2,2:1,1:1,1: 2,1: 3,1: 4,1: 5,1: 6,1: 7,1: 8,1: 9,1: 10, especially when Hexanaphthene flusulfamide and SSF 126 weight ratio are 5: 2, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example five:
For examination disease: cucumber downy mildew; Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd.; Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Hexanaphthene flusulfamide and the former medicine of Enestroburin and the two different ratio mixture.
Toxicity test result
Table 14 Hexanaphthene flusulfamide and the composite toxicity test analysis of results table to cucumber downy mildew of Enestroburin
As shown in Table 14, Hexanaphthene flusulfamide and Enestroburin to cucumber downy mildew proportioning 1: 60 ~ 80: 1 time, synergy ratio SR is all greater than 1.5, both explanations mixture in 1: 60 ~ 80: 1 scope all shows synergistic effect, when the proportioning of Hexanaphthene flusulfamide and Enestroburin is 1: 10 ~ 30: 1 time, synergistic effect is more outstanding, and synergy ratio is all greater than 2.25.Optimum ratio through test discovery Hexanaphthene flusulfamide and Enestroburin is 30:1,25:1,20:1,15:1,14:1,13:1,12:1,11:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:10, especially when Hexanaphthene flusulfamide and Enestroburin weight ratio are 4:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example six:
For examination disease: tomato blight; Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd.; Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Hexanaphthene flusulfamide and the former medicine of SYP-3375 and the two different ratio mixture.
Toxicity test result
Table 15 Hexanaphthene flusulfamide and the composite toxicity test analysis of results table to tomato blight of SYP-3375
As shown in Table 15, Hexanaphthene flusulfamide and SYP-3375 to tomato blight proportioning when 1 ︰ 60 ~ 80 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 60 ~ 80 ︰ 1 scope all shows synergistic effect, when the proportioning of Hexanaphthene flusulfamide and SYP-3375 is at 1 ︰ 10 ~ 35 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.20.Optimum ratio through test discovery Hexanaphthene flusulfamide and SYP-3375 is 35:1,30:1,25:1,20:1,15:1,14:1,13:1,12:1,11:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,2:1,1:1,1:2,1:3,1:4,1:5,1:10, especially when Hexanaphthene flusulfamide and SYP-3375 weight ratio are 7:1, synergy ratio is maximum, and synergistic effect is the most obvious.
Application Example seven:
For examination disease: rice sheath blight disease; Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd.; Experimental scheme: through effective inhibition concentration scope of preliminary experiment determination Hexanaphthene flusulfamide and the former medicine of orysastrobin and the two different ratio mixture.
Toxicity test result
Table 16 Hexanaphthene flusulfamide and the composite toxicity test analysis of results table to rice sheath blight disease of orysastrobin
As shown in Table 16, Hexanaphthene flusulfamide and orysastrobin to rice sheath blight disease proportioning when 1 ︰ 60 ~ 80 ︰ 1, synergy ratio SR is all greater than 1.5, both explanations mixture in 1 ︰ 60 ~ 80 ︰ 1 scope all shows synergistic effect, when the proportioning of Hexanaphthene flusulfamide and orysastrobin is at 1 ︰ 10 ~ 25 ︰ 1, synergistic effect is more outstanding, and synergy ratio is all greater than 2.20.Optimum ratio through test discovery Hexanaphthene flusulfamide and orysastrobin is 25:1,20:1,15:1,10:1,9:1,8:1,7:1,6:1,5:1,4:1,3:1,5:2,2:1,1:1,1:2,1:3,1:4,1:5,1:6,1:7,1:8,1:9,1:10, especially when Hexanaphthene flusulfamide and orysastrobin weight ratio are 5:2, synergy ratio is maximum, and synergistic effect is the most obvious.
Find through test: have obvious synergistic effect to the control of gray mold, stalk break, brown spot, scab, anthracnose, downy mildew, powdery mildew, spike rot, leaf spot, rust, glume blight, net blotch, epidemic disease, moire disease, smut, leaf stripe, rot, rice blast, banded sclerotial blight in various crop after Hexanaphthene flusulfamide and pyraclostrobin, fluoxastrobin, SSF 126, Enestroburin, SYP-3375, orysastrobin are composite, synergy ratio is all more than 1.50.Test of pesticide effectiveness part: test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., provided.
Table 17 contrasts the table of comparisons of medicament
Application Example eight Hexanaphthene flusulfamide and active component B and the composite control pear scab test of pesticide effectiveness thereof
This test arrangement is in Xianyang, Shanxi province city, and 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 3 days, 7 days, 14 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 18 Hexanaphthene flusulfamide and active component B and the composite control pear scab test of pesticide effectiveness thereof
As can be seen from Table 18, Hexanaphthene flusulfamide 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 nine Hexanaphthene flusulfamide and active component B and compositely prevent and treat the cercospora brown spot of peanut test of pesticide effectiveness
This test arrangement is at Shaanxi Province's Weinan City, and the investigation cercospora brown spot of peanut 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 10 days, 20 days, 30 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 19 Hexanaphthene flusulfamide and active component B and compositely prevent and treat the cercospora brown spot of peanut test of pesticide effectiveness
As can be seen from Table 19, Hexanaphthene flusulfamide and active component B composite after effectively can prevent and treat the cercospora brown spot of peanut, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.And can prevent and treat leaf spot of peanut, preventive effect is all greater than 96%.In test scope of medication, target crop is had no adverse effects.
Application Example ten Hexanaphthene flusulfamide 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 the investigation rice blast 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 3 days, 7 days, 14 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 20 Hexanaphthene flusulfamide and active component B and the composite control rice blast test of pesticide effectiveness thereof
As can be seen from Table 20, Hexanaphthene flusulfamide and active component B composite after effectively can prevent and treat rice blast, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.And can the water prevention rice sheath blight, preventive effect is all greater than 96%.In test scope of medication, target crop is had no adverse effects.
Application Example 11 Hexanaphthene flusulfamide and active component B and the composite control cucumber downy mildew test of pesticide effectiveness thereof
This test arrangement is in Jingyang County, Shaanxi Province, and the investigation cucumber downy 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, 20 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 21 Hexanaphthene flusulfamide and active component B and the composite control cucumber downy mildew test of pesticide effectiveness thereof
As can be seen from Table 21, Hexanaphthene flusulfamide and active component B composite after effectively can prevent and treat cucumber downy mildew, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.And can prevent and treat powdery mildew of cucumber, brown spot, preventive effect is all greater than 96%.In test scope of medication, target crop is had no adverse effects.
Application Example 12 Hexanaphthene flusulfamide and active component B and compositely prevent and treat the sigatoka test of pesticide effectiveness
This test arrangement is in Nanning, and the investigation sigatoka 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 3 days, 7 days, 14 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows:
Table 22 Hexanaphthene flusulfamide and active component B and compositely prevent and treat the sigatoka test of pesticide effectiveness
As can be seen from Table 22, Hexanaphthene flusulfamide and active component B composite after effectively can prevent and treat sigatoka, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.And can prevent and treat banana spike rot, anthracnose, scab, preventive effect is all greater than 96%.In test scope of medication, target crop is had no adverse effects.
Application Example 13 Hexanaphthene flusulfamide and active component B and the composite control graw mold of tomato test of pesticide effectiveness thereof
This test arrangement is at Xian District, Shanxi Province suburban area, and the investigation graw mold of tomato 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 23 Hexanaphthene flusulfamide and active component B and the composite control graw mold of tomato test of pesticide effectiveness thereof
As can be seen from Table 23, Hexanaphthene flusulfamide and active component B composite after effectively can prevent and treat graw mold of tomato, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.And can prevent and treat anthracnose of tomato, epidemic disease, preventive effect is all greater than 96%.In test scope of medication, target crop is had no adverse effects.
Application Example 14 Hexanaphthene flusulfamide and active component B and the composite control watermelon anthrax test of pesticide effectiveness thereof
This test arrangement is in Weinan City Dali County, Shaanxi Province, and the investigation watermelon anthrax 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, 10 days, 20 days, investigate disease index respectively and calculate preventive effect.Experimental result is as follows: table 24 Hexanaphthene flusulfamide and active component B and the composite control watermelon anthrax test of pesticide effectiveness thereof
As can be seen from Table 24, Hexanaphthene flusulfamide and active component B composite after effectively can prevent and treat watermelon anthrax, control efficiency is all better than the preventive effect of single dose, and the preventive effect phase is long.And can prevent and treat watermelon powdery mildew, preventive effect is all greater than 96%.In test scope of medication, target crop is had no adverse effects.
Draw by all parts of the country test, Hexanaphthene flusulfamide and the composite rear preventive effect to Common Diseases such as the gray mold in various crop, stalk break, brown spot, scab, anthracnose, downy mildew, powdery mildew, spike rot, leaf spot, rust, glume blight, net blotch, epidemic disease, moire disease, smut, leaf stripe, rot, rice blast, banded sclerotial blights of active component B are all greater than 95%, be better than single dose preventive effect, synergy is obvious.
Claims (6)
1. a composition pesticide, it is characterized in that: effective active composition is active components A and active component B, the weight ratio of active components A and active component B is 1 ︰ 60 ~ 80 ︰ 1, and described active components A is Hexanaphthene flusulfamide, and active component B is selected from pyraclostrobin.
2. composition pesticide according to claim 1, is characterized in that: the weight ratio of Hexanaphthene flusulfamide and pyraclostrobin is 1 ︰ 40 ~ 60 ︰ 1.
3. composition pesticide according to claim 2, is characterized in that: the weight ratio of Hexanaphthene flusulfamide and pyraclostrobin is 1 ︰ 10 ~ 30 ︰ 1.
4. composition pesticide as claimed in any of claims 1 to 3, is characterized in that: composition makes wetting powder, water dispersible granules, suspending agent, suspension emulsion, microemulsion, aqueous emulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
5. composition pesticide according to claim 4 is for preventing and treating the application of corps diseases.
6. application according to claim 5, is characterized in that: described disease is gray mold, stalk break, brown spot, scab, anthracnose, downy mildew, powdery mildew, spike rot, leaf spot, rust, glume blight, net blotch, epidemic disease, moire disease, smut, leaf stripe, rot, rice blast or banded sclerotial blight.
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Address after: 715500 Pucheng high tech Industrial Development Zone, Weinan, Shaanxi Patentee after: SHAANXI MEIBANG PHARMACEUTICAL GROUP Co.,Ltd. Address before: 715500 Shaanxi Pucheng Weinan County agricultural base industrial park Patentee before: Shaanxi Meibang pesticide Co.,Ltd. |
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