CN103563899B - High-efficient pesticide composition - Google Patents
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- CN103563899B CN103563899B CN201210252364.XA CN201210252364A CN103563899B CN 103563899 B CN103563899 B CN 103563899B CN 201210252364 A CN201210252364 A CN 201210252364A CN 103563899 B CN103563899 B CN 103563899B
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- propylene glycol
- glycol alginate
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- 239000000203 mixture Substances 0.000 title claims abstract description 47
- 239000000575 pesticide Substances 0.000 title claims abstract description 29
- 239000000770 propane-1,2-diol alginate Substances 0.000 claims abstract description 57
- HDSBZMRLPLPFLQ-UHFFFAOYSA-N Propylene glycol alginate Chemical compound OC1C(O)C(OC)OC(C(O)=O)C1OC1C(O)C(O)C(C)C(C(=O)OCC(C)O)O1 HDSBZMRLPLPFLQ-UHFFFAOYSA-N 0.000 claims abstract description 55
- 235000010409 propane-1,2-diol alginate Nutrition 0.000 claims abstract description 55
- 239000005930 Spinosad Substances 0.000 claims abstract description 24
- 229940014213 spinosad Drugs 0.000 claims abstract description 24
- -1 ethyl spinosad Chemical compound 0.000 claims abstract description 22
- 241000238631 Hexapoda Species 0.000 claims abstract description 20
- 239000000375 suspending agent Substances 0.000 claims description 24
- 108010053950 Teicoplanin Proteins 0.000 claims description 22
- BJNLLBUOHPVGFT-QRZIFLFXSA-N teichomycin Chemical compound CCCCCCCCCC(=O)N[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC(C(=C1)OC=2C(=CC(=CC=2)[C@@H](O[C@H]2[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@H]2C(N[C@H](C3=CC(O)=CC(O[C@@H]4[C@H]([C@@H](O)[C@H](O)[C@@H](CO)O4)O)=C3C=3C(O)=CC=C(C=3)[C@@H](NC3=O)C(=O)N2)C(O)=O)=O)Cl)=C(OC=2C(=CC(C[C@H](C(N4)=O)NC(=O)[C@H](N)C=5C=C(O6)C(O)=CC=5)=CC=2)Cl)C=C1[C@H]3NC(=O)[C@@H]4C1=CC6=CC(O)=C1 BJNLLBUOHPVGFT-QRZIFLFXSA-N 0.000 claims description 22
- 241000607479 Yersinia pestis Species 0.000 claims description 21
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- 241000500437 Plutella xylostella Species 0.000 claims description 8
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- GOENIMGKWNZVDA-OAMCMWGQSA-N Spinetoram Chemical compound CO[C@@H]1[C@H](OCC)[C@@H](OC)[C@H](C)O[C@H]1OC1C[C@H]2[C@@H]3C=C4C(=O)[C@H](C)[C@@H](O[C@@H]5O[C@H](C)[C@H](CC5)N(C)C)CCC[C@H](CC)OC(=O)CC4[C@@H]3CC[C@@H]2C1 GOENIMGKWNZVDA-OAMCMWGQSA-N 0.000 description 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a high-efficient pesticide composition containing an active component A and an active component B. The active component A is propylene glycol alginate; the active component B is one compound optionally selected from spinosad and ethyl spinosad; and the weight ratio of the active component A to the active component B is 1:80-60:1. The high-efficient pesticide composition is capable of controlling a plurality of insects, possesses obvious synergistic effect, and is capable of widening insecticidal spectrum, and reducing pesticide dosage, pesticide residue on crops, and environment pollution.
Description
Technical field
The invention belongs to technical field of pesticide, relate to the application of a kind of high-efficient pesticide composition on crop pest.
Technical background
Propylene glycol alginate (Propylene glycol alginate) molecular formula: (C
9h
14o
7) n, be the emulsified suspension be made up through emulsion process of marine algae extract, have contact toxicity to insect.
Multiple killing teichomycin (Spinosad) multiple killing teichomycin has insect tags and stomach poison function fast, have stronger osmosis to blade, can kill subepidermal insect, the longevity of residure is longer, there is certain ovicidal action, without systemic action to some insects.
Ethyl spinosad (Spinetoram) is the newcomer in Spinosyn spinosyn insecticides, is to obtain through chemical modification natural products spinosyns, is brand-new, a unique effective ingredient in spinosyn insecticides.
In the real process of agricultural production, the problem that pest control the most easily produces is the generation of pest resistance to insecticide.Different cultivars composition carries out composite, is to prevent and treat the very common method of resistant insect.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 propylene glycol alginate and multiple killing teichomycin, ethyl spinosad mutually composite, have good synergistic effect within the specific limits, and about propylene glycol alginate and multiple killing teichomycin, ethyl spinosad 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 high-efficient pesticide composition.
The present invention is achieved through the following technical solutions:
A kind of high-efficient pesticide composition, containing active components A and active component B, active components A and active component B weight ratio are 1 ︰ 80 ~ 60 ︰ 1, and described active components A is selected from propylene glycol alginate, and active component B is selected from the one in multiple killing teichomycin, ethyl spinosad; Active components A and the preferred weight ratio of active component B are 1 ︰ 60 ~ 40 ︰ 1; The weight ratio being more preferably propylene glycol alginate and multiple killing teichomycin is 1 ︰ 20 ~ 15 ︰ 1, and the weight ratio of propylene glycol alginate and ethyl spinosad is 1 ︰ 20 ~ 15 ︰ 1; The weight ratio most preferably being propylene glycol alginate and multiple killing teichomycin is 1 ︰ 10 ~ 5 ︰ 1, and the weight ratio of propylene glycol alginate and ethyl spinosad is 1 ︰ 10 ~ 5 ︰ 1.
Described high-efficient pesticide composition, composition makes wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
Described high-efficient pesticide composition is for preventing and treating the application of crop pests, 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 high-efficient pesticide composition is for preventing and treating the application of crop pests, and described insect comprises trialeurodes vaporariorum, diamond-back moth, beet armyworm, thrips, cotton bollworm, oriental tobacco budworm, leaf roller, corn borer, heart-eating worm, pear sucker, armyworm, cutworm.
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 pest.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 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.
Surfactant selected by composition pesticide 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.
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, 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.
Composition comprises following component and content when making wetting powder: active components A 0.1% ~ 40%, active component B 0.1% ~ 60%, dispersant 1% ~ 12%, wetting agent 1% ~ 8%, filler surplus.
Composition comprises following component and content when making water dispersible granules: active components A 0.1% ~ 40%, active component B0.1% ~ 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 0.1% ~ 30%, active component B0.1% ~ 40%, 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 0.1% ~ 30%, active component B0.1% ~ 40%, 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 0.1% ~ 30%, active component B0.1% ~ 40%, 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 0.1% ~ 30%, active component B0.1% ~ 40%, 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 0.1% ~ 30%, active component B0.1% ~ 40%, 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 0.1% ~ 30%, active component B 0.1% ~ 40%, 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 higher than single dose, thus reduces pesticide usage amount, while minimizing peasant drug cost, reduces the residual quantity of agricultural chemicals on crop, alleviates environmental pollution; (2) between kind, structure difference is comparatively large, thus the resistance that can delay single dose occurs and development; (3) expand insecticidal spectrum, have greater activity to the various pests on crops; (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
Example 1 ~ 6 wetting powder
By propylene glycol alginate, 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 16 and content
Example 7 ~ 12 water dispersible granules
Propylene glycol alginate, 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 7 ~ 12 and content
Example 13 ~ 18 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 propylene glycol alginate, 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 13 ~ 18 and content
Example 19 ~ 24 aqueous emulsion
Propylene glycol alginate, 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 4.
The each component of table 4 example 19 ~ 24 and content
Example 25 ~ 27 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 propylene glycol alginate, ball milling 2 ~ 3 hours in ball mill, make diameter of particle all below 5 μm, obtained propylene glycol alginate 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 5.
The each component of table 5 example 25 ~ 27 and content
Multiple killing teichomycin, ethyl spinosad in table 1 to table 5 are exchanged, can novel formulation be obtained.
Example 28 ~ 30 microemulsion
Propylene glycol alginate, 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, surplus deionized water gives strong mixing and homogenize after supplying, finally obtain the microemulsion product of the present invention that clear appearance is transparent.Specifically in table 6.
The each component of table 6 example 28 ~ 30 and content
Example 31 ~ 33 microcapsule suspending agent
By propylene glycol alginate, 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 7.
The each component of table 7 example 31 ~ 33 and content
Example 34 ~ 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 (can add and can not add) are mixed through high speed shear, add propylene glycol alginate, 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 8.
The each component of table 8 example 34 ~ 36 and content
The embodiment of the present invention is the method adopting Toxicity Determination and field trial to combine.First pass through Toxicity Determination, co-toxicity coefficient (CTC) after clear and definite two kinds of medicaments are composite by a certain percentage, CTC < 80 is antagonism, 80≤CTC≤120 are summation action, CTC > 120 is synergistic effect, on this basis, then carry out field trial.
Test method: respectively the mother liquor of each mixed agent is diluted to five series concentration during test, is placed in beaker respectively for subsequent use.Adopt the method connecing worm after first soaking leaf, take out after the blade of the same size not contacting any medicament is soaked 5s in the liquid configured, naturally dry, put into insect box, then connect for examination larva, raise under 25 DEG C of conditions, often process and repeat for 3 times, often repeating examination borer population used is 50, establishes blank simultaneously, checks dead borer population in 72h, calculate lethality and corrected mortality, try to achieve virulence regression equation and calculate LC
50value.If contrast lethality is greater than 10%, be then considered as invalid test.Computing formula is as follows:
Insect corrected mortality is converted into probit value (y), and concentration for the treatment of (μ g/ml) converts logarithm value to (x), draws virulence regression equation, and calculate the value of often kind of medicament thus with method of least squares.Co-toxicity coefficient CTC is calculated according to the abundant equation of Sun Yun.Computing formula following (take propylene glycol alginate as standard agent, its toxicity index is 100):
TI × the P of theoretical toxicity index (the TTI)=propylene glycol alginate of M
propylene glycol alginatetI × the P of+active component B has
effect active component B
In formula: M is the mixture of different ratio
P
effective active composition Bfor the ratio that effective active composition B is shared in the composition
P
propylene glycol alginatefor the ratio that propylene glycol alginate is shared in the composition
B is selected from the one in multiple killing teichomycin, ethyl spinosad.
Application Example two:
For examination insect: tomato trialeurodes vaporariorum.
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination propylene glycol alginate and the former medicine of multiple killing teichomycin and the two different ratio mixture.
Toxicity test result
Table 9 propylene glycol alginate and the composite toxicity test analysis of results table to tomato trialeurodes vaporariorum of multiple killing teichomycin
As shown in Table 9, propylene glycol alginate and the composite proportioning of preventing and treating tomato trialeurodes vaporariorum of multiple killing teichomycin are when 1 ︰ 80 ~ 60 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of propylene glycol alginate and multiple killing teichomycin is at 1 ︰ 20 ~ 15 ︰ 1, synergistic effect is more outstanding, co-toxicity coefficient is all greater than 220, testing through applicant the optimum ratio finding propylene glycol alginate and multiple killing teichomycin is 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, 2:7, 1:4, 1:5, 1:6, 1:7, 1:8, 1:9, 1:10, 1:15, 1:20, wherein when propylene glycol alginate and multiple killing teichomycin weight ratio are 2 ︰ 7, co-toxicity coefficient is maximum, synergistic effect is the most obvious.
Application Example three:
For examination insect: brassicaceous vegetable beet armyworm.
Test medicine provides by Shaanxi Meibang Pesticide Co., Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination propylene glycol alginate and the former medicine of ethyl spinosad and the two different ratio mixture.
Toxicity test result
Table 10 propylene glycol alginate and the composite toxicity test analysis of results table to brassicaceous vegetable beet armyworm of ethyl spinosad
As shown in Table 10, propylene glycol alginate and the composite proportioning of preventing and treating brassicaceous vegetable beet armyworm of ethyl spinosad are when 1 ︰ 80 ~ 60 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of propylene glycol alginate and ethyl spinosad is at 1 ︰ 20 ~ 15 ︰ 1, synergistic effect is more outstanding, co-toxicity coefficient is all greater than 215, testing through applicant the optimum ratio finding propylene glycol alginate and ethyl spinosad is 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, 2:7, 1:4, 1:5, 1:6, 1:7, 1:8, 1:9, 1:10, 1:15, 1:20, wherein when propylene glycol alginate and ethyl spinosad weight ratio are 2 ︰ 7, co-toxicity coefficient is maximum, synergistic effect is the most obvious.
Through test find: propylene glycol alginate and active component B composite after have obvious synergistic effect to the control of trialeurodes vaporariorum, diamond-back moth, beet armyworm, thrips, cotton bollworm, oriental tobacco budworm, leaf roller, corn borer, heart-eating worm, pear sucker, armyworm, cutworm, co-toxicity coefficient is all greater than 120.
Application Example four propylene glycol alginate and active component B and the composite control brassicaceous vegetable diamond-back moth test of pesticide effectiveness thereof
This experimental establishment is at Xian District, Shanxi Province suburban area, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 0.12% propylene glycol alginate soluble liquid (autogamy), 5% multiple killing teichomycin suspending agent (autogamy), 2% ethyl spinosad suspending agent (autogamy).
Investigation brassicaceous vegetable diamond-back moth insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 3 days, 10 days, 20 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 11 propylene glycol alginate and active component B and the composite control brassicaceous vegetable diamond-back moth test of pesticide effectiveness thereof
As can be seen from Table 11, propylene glycol alginate and active component B composite after can effectively prevent and treat brassicaceous vegetable diamond-back moth, control efficiency is all better than the preventive effect of single dose, and can prevent and treat brassicaceous vegetable beet armyworm, and preventive effect is all greater than 96%.In test scope of medication, target crop is had no adverse effects.
Application Example five propylene glycol alginate and active component B and the composite control tomato trialeurodes vaporariorum test of pesticide effectiveness thereof
This experimental establishment is at Xian District, Shanxi Province suburban area, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 0.12% propylene glycol alginate soluble liquid (autogamy), 5% multiple killing teichomycin suspending agent (autogamy), 2% ethyl spinosad suspending agent (autogamy).
Investigation tomato trialeurodes vaporariorum insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 3 days, 7 days, 15 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 12 propylene glycol alginate and active component B and the composite control tomato trialeurodes vaporariorum test of pesticide effectiveness thereof
As can be seen from Table 12, propylene glycol alginate and active component B composite after can effectively prevent and treat tomato trialeurodes vaporariorum, control efficiency is all better than the preventive effect of single dose.In test scope of medication, target crop is had no adverse effects.
Application Example six propylene glycol alginate and active component B and the composite control eggplant thrips test of pesticide effectiveness thereof
This experimental establishment is at Xian District, Shanxi Province suburban area, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 0.12% propylene glycol alginate soluble liquid (autogamy), 5% multiple killing teichomycin suspending agent (autogamy), 2% ethyl spinosad suspending agent (autogamy).
Investigation eggplant thrips insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 3 days, 7 days, 15 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 13 propylene glycol alginate and active component B and the composite control eggplant thrips test of pesticide effectiveness thereof
As can be seen from Table 13, propylene glycol alginate and active component B composite after can effectively prevent and treat eggplant thrips, control efficiency is all better than the preventive effect of single dose.In test scope of medication, target crop is had no adverse effects.
Application Example seven propylene glycol alginate and active component B and the composite control cotton cotton bollworm test of pesticide effectiveness thereof
This experimental establishment is in Weinan City Dali County, Shaanxi Province, test medicine is researched and developed by Shaanxi Meibang Pesticide Co., Ltd., is provided, contrast medicament 0.12% propylene glycol alginate soluble liquid (autogamy), 5% multiple killing teichomycin suspending agent (autogamy), 2% ethyl spinosad suspending agent (autogamy).
Investigation cotton cotton bollworm insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 3 days, 10 days, 20 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 14 propylene glycol alginate and active component B and the composite control cotton cotton bollworm test of pesticide effectiveness thereof
As can be seen from Table 14, propylene glycol alginate and active component B composite after can effectively prevent and treat cotton cotton bollworm, control efficiency is all better than the preventive effect of single dose.In test scope of medication, target crop is had no adverse effects.
After draw through tests different local throughout the country, propylene glycol alginate and multiple killing teichomycin, the composite rear preventive effect to common pests such as the trialeurodes vaporariorum on crops, diamond-back moth, beet armyworm, thrips, cotton bollworm, oriental tobacco budworm, leaf roller, corn borer, heart-eating worm, pear sucker, armyworm, cutworms of ethyl spinosad are all more than 95%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (6)
1. a high-efficient pesticide composition, 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 ~ 60 ︰ 1, and described active components A is selected from propylene glycol alginate, and active component B is selected from the one in multiple killing teichomycin, ethyl spinosad.
2. high-efficient pesticide composition according to claim 1, is characterized in that: the weight ratio of active components A and active component B is 1 ︰ 60 ~ 40 ︰ 1.
3. high-efficient pesticide composition according to claim 2, is characterized in that:
The weight ratio of propylene glycol alginate and multiple killing teichomycin is 1 ︰ 20 ~ 15 ︰ 1;
The weight ratio of propylene glycol alginate and ethyl spinosad is 1 ︰ 20 ~ 15 ︰ 1.
4. high-efficient pesticide composition as claimed in any of claims 1 to 3, is characterized in that: composition makes wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion, microcapsule suspending agent, microcapsule suspension-suspendinagent agent.
5. high-efficient pesticide composition according to claim 4 is for preventing and treating the application of crop pests.
6. application according to claim 5, is characterized in that: described insect comprises trialeurodes vaporariorum, diamond-back moth, beet armyworm, thrips, cotton bollworm, oriental tobacco budworm, leaf roller, corn borer, heart-eating worm, pear sucker, armyworm, cutworm.
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