CN104082322A - Insecticide acaricide composition containing pyriproxyfen and bifenazate - Google Patents
Insecticide acaricide composition containing pyriproxyfen and bifenazate Download PDFInfo
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- CN104082322A CN104082322A CN201410277020.3A CN201410277020A CN104082322A CN 104082322 A CN104082322 A CN 104082322A CN 201410277020 A CN201410277020 A CN 201410277020A CN 104082322 A CN104082322 A CN 104082322A
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- bifenazate
- nylar
- insecticide acaricide
- acaricide composition
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Abstract
The invention discloses an insecticide acaricide composition containing pyriproxyfen and bifenazate. The insecticide acaricide composition comprises a first active ingredient--pyriproxyfen, a second active ingredient--bifenazate and frequently used auxiliary ingredients, wherein a weight ratio of pyriproxyfen to bifenazate is 30: 1 to 1: 30. According to results of a great amount of indoor and outdoor experiments, the insecticide acaricide composition provided by the invention has an obvious synergistic interaction effect and a broadened insecticidal spectrum and can be used for preventing and treating a plurality of agricultural insects, like red spiders, whiteflies, plant louse, thrips and scale insects; meanwhile, since the application amount of the pesticide is reduced, the residual quantity of the pesticide on crops is reduced, pollution to the environment is mitigated, and generation of pest resistance to the pesticide is delayed.
Description
Technical field
The present invention relates to composition pesticide and application thereof, specifically take the composition pesticide that Nylar and Bifenazate be active ingredient,, be applicable to prevent and treat the pest such as two spotted spider mite, aleyrodid, wood louse, thrips, aphid, scale insect.
Background technology
Nylar: belong to the novel pesticide of juvenoid, the inhibitor that the mechanism of action is chitin synthetase.Bemisia tabaci, scale insect, diamond-back moth, beet armyworm, prodenia litura, pear psyllid, thrips etc. are had to good control efficiency, and this product has good control efficiency to sanitary insect pests such as fly, mosquitoes simultaneously.
Bifenazate: be a kind of novel hydrazine ester type compound, the mechanism of action is the antagonist of mite class γ-aminobutyric acid (GABA).Its each life stage to mite is effective, have ovicidal activity with to becoming the activity of knocking down of mite, and the lasting period is long, lasting period 14d left and right.Recommendation dosage range is interior to crop safety.
The pesticide resistance problem of pest is a global problem, is the emphasis problem that agricultural science and technology worker pays close attention to always.Impact along with on factors such as the increase of the continuity year in year out of Chemical Control of Harmful Insects, agricultural chemicals usage amount and non-science use agricultural chemicals, causes pest resistance day by day serious, and the pest species that produces resistance is on the increase.Meanwhile, due to high-intensity use agricultural chemicals, caused that Practice for Pesticide Residue in Agricultural Products exceeds standard, the series of problems such as contaminated environment and the increase of peasant's drug cost, be unfavorable for agriculture sustainable development.
Therefore, development is efficient, low toxicity, low-residual, the different mechanism of action, has again the complex preparation of synergistic function simultaneously, not only contribute to delay the generation of pest resistance to insecticide, but also can extend the service life of pesticide species, reduce using dosage, cost-saving, reduce the pollution to environment.
The inventor conducts in-depth research the compounded formula screening of Nylar and Bifenazate, find that Nylar and Bifenazate carry out composite, within the scope of certain compound proportion, there is obvious synergistic function, in actual use simultaneously, expanded insecticidal spectrum, to the insect in agricultural, as two spotted spider mite, aleyrodid, wood louse, thrips, scale insect etc. have outstanding control efficiency, after further study, completed the present invention.
Summary of the invention
The object of the present invention is to provide the insecticide acaricide composition of a kind of pyriproxyfen-containing and Bifenazate, this compound insecticidal miticide composition has obvious synergistic function, expand insecticidal spectrum, can be used for preventing and treating the various pests such as two spotted spider mite in agricultural, aleyrodid, wood louse, thrips, scale insect.
Another object of the present invention is to the insecticide acaricide composition that contains Nylar and Bifenazate, in use can reduce dosage, reduced the residual quantity of agricultural chemicals on crops, delay the generation of pest resistance to insecticide, can also make it to the control efficiency of various insects, than single dose, use and compare obvious raising separately, laborsaving, economical, reduce farmer's burdens.
Technical solution of the present invention: a kind of insecticide acaricide composition that contains Nylar and Bifenazate, take Nylar and Bifenazate as active ingredient, the weight ratio of Nylar and Bifenazate is 30:1～1:30, Nylar and the percentage by weight of Bifenazate weight summation in composition are 1%～85%, and all the other are in agricultural chemicals, to allow to use and acceptable auxiliary element.
Described auxiliary element is one or more the combination in solvent, emulsifier, wetting agent, dispersant, stabilizing agent, antifreezing agent, thickener, disintegrant, binding agent, defoamer, bleeding agent, synergist, fire retardant and filler, above material is known substance conventional in pesticidal preparations, according to being prepared into the different formulations of pesticide, change to some extent, but be not particularly limited.
The present invention can be prepared into by known method any one formulation of using in applicable agricultural production, and reasonable formulation has suspending agent, aqueous emulsion, microemulsion, water dispersible granules, wetting powder, ultra low volume liquids, microcapsule suspending agent and thermal fog.
The frequency of administration of the present composition and amount of application have small variations with crops, insect, weather condition variation, can be by using suitable dosage to reach the object of effective control.
Compared with prior art, the invention has the advantages that:
1, Nylar and Bifenazate are composite has a synergistic function, than the independent use of single dose, has obviously improved the control efficiency to insect, has expanded insecticidal spectrum simultaneously, has solved the defect to some insect weak effect when single dose is used separately.
2, two kinds of active ingredients of Nylar and Bifenazate are composite, reduced agricultural chemicals usage amount, reduced use cost, alleviated pollution to environment, delayed pest resistance to insecticide generation, increased service life of agricultural chemicals.
Embodiment
In order to understand better essence of the present invention, below in conjunction with embodiment, content of the present invention is described further, but can not be considered as limitation of the present invention.
(1) formulation embodiment
In following each embodiment, active ingredient adopts the former medicine of 95% Nylar and the former medicine of 97% Bifenazate, and each component percentage composition is weight percentage.
Embodiment 1:20% Nylar Bifenazate suspending agent.
Nylar 5%, Bifenazate 15%, alkylnaphthalene sulfonate 15%, alkylphenol-polyethenoxy base ether phosphate 15%, xanthans 2%, glycerine 2%, silicone oil 0.1%, deionized water supplies 100%.Above-mentioned active ingredient, dispersant, wetting agent, thickener, antifreezing agent, defoamer and deionized water are mixed, sand milling in high speed shear dispersion, sand mill, the high dispersive forming in water-medium, stable suspension system, can make 20% Nylar Bifenazate suspending agent.
Embodiment 2:35% Nylar Bifenazate aqueous emulsion.
Nylar 8%, Bifenazate 27%, vegetable oil resin 20%, polyoxyethylene nonylphenol ether 10%, polycarboxylate 10%, sodium sorbate 1%, glycerine 1%, deionized water supplies 100%.Above-mentioned active ingredient, solvent, emulsifier, dispersant and stabilizing agent are mixed to form to oil phase, antifreezing agent dissolves and forms water in water, under clipper effect, slowly oil phase is added in water, and continue to shear approximately 30 minutes, can make 35% Nylar Bifenazate aqueous emulsion.
Embodiment 3:40% Nylar Bifenazate microemulsion.
Nylar 25%, Bifenazate 15%, N-pyrrolidones 20%, styrylphenol polyoxyethylene ether 15%, sodium citrate 2%, organosilicon 1%, azone 2%, deionized water supplies 100%.Active ingredient is dissolved completely with solvent, and then add emulsifier, stabilizing agent, bleeding agent, synergist to mix, finally add deionized water, after fully stirring, can make 40% Nylar Bifenazate microemulsion.
Embodiment 4:70% Nylar Bifenazate wetting powder.
Nylar 20%, Bifenazate 50%, alkylaryl APEO 8%, calcium dodecyl benzene sulfonate 10%, diatomite supplies 100%.By above-mentioned, active ingredient, dispersant, wetting agent and filler are mixed, after mechanical disintegration, again through air-flow crushing, mix, can make 70% Nylar Bifenazate wetting powder.
Embodiment 5:50% Nylar Bifenazate water dispersible granules.
Nylar 15%, Bifenazate 35%, naphthalenesulfonate formaldehyde condensation compound 15%, alkyl sulfate 10%, urea 2%, polyvinyl alcohol 2%, kaolin supplies 100%.Above-mentioned active ingredient, dispersant, wetting agent, disintegrant, binding agent and filler are mixed, with micro jet, pulverize, through mediating, then add in fluidized bed prilling dryer and carry out granulation, dry, screening, can make 50% Nylar Bifenazate water dispersible granules.
Embodiment 6:10% Nylar Bifenazate ultra low volume liquids.
Nylar 4%, Bifenazate 6%, 1-METHYLPYRROLIDONE 20%, calcium dodecyl benzene sulfonate 5%, castor oil polyoxyethylene ether 3%, azone 2.5%, soybean oil complements to 100%.After above-mentioned active ingredient is dissolved by stirring solvent, then add other auxiliary agent, be fully uniformly mixed, can make 10% Nylar Bifenazate ultra low volume liquids.
Embodiment 7:30% Nylar Bifenazate microcapsule suspending agent.
Nylar 12%, Bifenazate 18%, sodium alginate and distortion milk protein 10%, Cotton seed oil methyl ester 15%, castor oil polyoxyethylene ether 5%, polyoxyethylene carboxylate 3%, sodium hydroxide 2%, deionized water complements to 100%.By above-mentioned active ingredient, macromolecule cyst material, solvent, make to be dissolved into even oil phase, under shearing condition, oil phase is joined in the aqueous phase solution that contains emulsifier, pH adjusting agent, dispersant, surplus is supplied by deionized water, bi-material reacts at oil-water interfaces, forms macromolecule cyst wall, can make 30% Nylar Bifenazate microcapsule suspending agent.
Embodiment 8:15% Nylar Bifenazate thermal fog.
Nylar 10%, Bifenazate 5%, NOP 20%, polycarboxylate 10%, calcium dodecyl benzene sulfonate 5%, azone 2%, triphenyl phosphate 2%, Cotton seed oil complements to 100%.Above-mentioned active ingredient and solvent are dropped in the reaction vessel of band stirring, after active ingredient is fully dissolved, then add other auxiliary agent, fully stir about is 60 minutes, and it is mixed, and can make 15% Nylar Bifenazate thermal fog.(2) the indoor biological activity determination of insecticide acaricide composition of the present invention and field efficacy checking.
1, Nylar and the Bifenazate indoor joint toxicity measuring to scale insect.
For examination worm: select to be collected in citrus orchard and the indoor scale insect nymph of raising breeding.
Reagent agent: the former medicine of 95% Nylar and the former medicine of 97% Bifenazate.
Test method: adopt spray-on process to measure, concrete grammar is as follows.
In laboratory, select scale insect nymph healthy, that the length of time is consistent, put into the culture dish with Citrus leaf, every ware 40 cephalont, 4 repetitions are established in every processing, with potter spray tower, under 50PSI pressure, spray, a ware of each spray, every ware spraying liquid 1ml, takes out culture dish after sedimentation 1min, then the culture dish of processing is put into 25 ℃, in the illumination box of 12H/12H, cultivate, establish the processing of the corresponding organic solvent that does not contain medicament in contrast.After processing, 72h investigation examination worm death condition, records total borer population and dead borer population.
With DPS statistical analysis software, carry out statistical analysis, calculate the LC of each medicament
50, and according to the co-toxicity coefficient (CTC value) of the abundant method calculating of Sun Yun mixture.
Actual measurement toxicity index (ATI)=(standard medicament LC
50/ reagent agent LC
50) * 100.
The percentage composition of B in percentage composition+B medicament toxicity index * mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index * mixture.
Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] * 100.
According to the NY/T11547.7-2006 insecticide synergy criteria for classifying: co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80 < co-toxicity coefficient (CTC) < 120 show as summation action.
Table 1, Nylar and the Bifenazate indoor joint toxicity measuring to scale insect.
| Medicament title and proportioning (weight ratio) | LC 50(mg/L) | ATI | TTI | CTC |
| Nylar | 7.82 | 100.00 | - | - |
| Bifenazate | 34.28 | 22.81 | - | - |
| Nylar: Bifenazate (30:1) | 6.13 | 127.57 | 97.51 | 130.83 |
| Nylar: Bifenazate (20:1) | 5.69 | 137.43 | 96.32 | 142.68 |
| Nylar: Bifenazate (10:1) | 5.34 | 146.44 | 92.98 | 157.50 |
| Nylar: Bifenazate (5:1) | 5.06 | 154.55 | 87.14 | 177.36 |
| Nylar: Bifenazate (1:1) | 6.37 | 122.76 | 61.41 | 199.90 |
| Nylar: Bifenazate (1:5) | 10.82 | 72.27 | 35.68 | 202.55 |
| Nylar: Bifenazate (1:10) | 14.21 | 55.03 | 29.83 | 184.48 |
| Nylar: Bifenazate (1:20) | 19.16 | 40.81 | 26.49 | 154.06 |
| Nylar: Bifenazate (1:30) | 23.27 | 33.61 | 25.30 | 132.85 |
As can be seen from Table 1, when Nylar and Bifenazate are composite in 30:1～1:30 scope of (by weight), co-toxicity coefficient (CTC) is all greater than 120, and scale insect is shown to synergistic function, and visible Nylar and Bifenazate be composite has reasonability and feasibility.
2, Nylar and the Bifenazate indoor joint toxicity measuring to citrus red mite.
For examination worm: select to be collected in citrus orchard and the indoor female one-tenth mite of two spotted spider mite of raising breeding.
Reagent agent: the former medicine of 95% Nylar and the former medicine of 97% Bifenazate.
Test method adopts leaf butterfly spray-on process, and concrete operation method is as follows:
Choose the Citrus leaf of healthy growth, with card punch, make leaf butterfly, in culture dish, place a wet sponge piece, on it, put filter paper, foliation butterfly on filter paper, every ware is put 2 leaf butterflies, selects the female one-tenth mite of citrus red mite healthy, that the length of time is consistent and is inoculated on leaf butterfly, 20 of every leaf butterfly inoculations, 4 repetitions are established in every processing.The culture dish that is connected to leaf butterfly is placed under potter spray tower, under 50PSI pressure, spray, spray amount is 1ml, after sedimentation 1min, take out culture dish, then the culture dish of processing is put into 25 ℃, in 12H/12H illumination box, cultivate, establish the processing of the corresponding organic solvent that does not contain medicament in contrast.After processing, 48h investigation examination worm death condition, records total borer population and dead borer population.
With DPS statistical analysis software, carry out statistical analysis, calculate the LC of each medicament
50, and according to the co-toxicity coefficient (CTC value) of the abundant method calculating of Sun Yun mixture.
Actual measurement toxicity index (ATI)=(standard medicament LC
50/ reagent agent LC
50) * 100.
The percentage composition of B in percentage composition+B medicament toxicity index * mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index * mixture.
Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] * 100.
According to the NY/T11547.7-2006 insecticide synergy criteria for classifying: co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80 < co-toxicity coefficient (CTC) < 120 show as summation action.
As can be seen from Table 2, when Nylar and Bifenazate are composite in 30:1～1:30 scope of (by weight), co-toxicity coefficient (CTC) is all greater than 120, and citrus red mite is shown to synergistic function, and visible Nylar and Bifenazate be composite has reasonability and feasibility.
Table 2, Nylar and the Bifenazate indoor joint toxicity measuring to citrus red mite.
| Medicament title and proportioning (weight ratio) | LC 50(mg/L) | ATI | TTI | CTC |
| Nylar | 24.29 | 100.00 | - | - |
| Bifenazate | 12.67 | 191.71 | - | - |
| Nylar: Bifenazate (30:1) | 17.18 | 141.39 | 102.96 | 137.33 |
| Nylar: Bifenazate (20:1) | 15.36 | 158.14 | 104.37 | 151.52 |
| Nylar: Bifenazate (10:1) | 12.89 | 188.44 | 108.34 | 173.93 |
| Nylar: Bifenazate (5:1) | 10.74 | 226.16 | 115.29 | 196.17 |
| Nylar: Bifenazate (1:1) | 8.12 | 299.14 | 145.86 | 205.09 |
| Nylar: Bifenazate (1:5) | 7.28 | 333.65 | 176.43 | 189.11 |
| Nylar: Bifenazate (1:10) | 7.96 | 305.15 | 183.37 | 166.41 |
| Nylar: Bifenazate (1:20) | 8.81 | 275.71 | 187.34 | 147.17 |
| Nylar: Bifenazate (1:30) | 10.16 | 239.07 | 188.75 | 126.66 |
3, the composite field control effectiveness test to scale insect of Nylar and Bifenazate.
Adopt embodiment 2 (35% Nylar Bifenazate aqueous emulsion) for preventing and treating oranges and tangerines scale insect, investigation insect population radix before dispenser, after medicine, 7d, 14d, 30d investigate respectively residual borer population alive, 2 strains are looked in investigation Shi Mei community, every strain is looked into respectively 5 blades by orientation, 4 of the four corners of the world, each community is looked into 40 blades altogether, records the borer population of living, and calculates control efficiency.Control efficiency computational methods are as follows:
Preventive effect (%)=(1-CK
1* Pt
1/ CK
2* Pt
2) * 100.
Wherein: CK
1represent the front insect population number of check plot medicine; Pt
1represent insect population number after treatment region medicine;
CK
2represent insect population number after the medicine of check plot; Pt
2represent the front insect population number for the treatment of region medicine;
As can be seen from Table 3, when 35% Nylar Bifenazate aqueous emulsion is used 1000-1500 times, after medicine, 7d, 14d, 30d are all better than each single dose to the preventive effect of scale insect and use separately, and after medicine, 30d preventive effect all still reaches more than 80% simultaneously, illustrates that this compound drug has good lasting effect.In pilot survey process, do not find that this compound drug produces poisoning to mandarin tree.
Table 3, respectively process the result of the test of chemical control scale insect.
4, the composite field control effectiveness test to citrus red mite of Nylar and Bifenazate.
Adopt embodiment 5 (50% Nylar Bifenazate water dispersible granules) for preventing and treating citrus red mite, investigation insect population radix before dispenser, after medicine, 7d, 14d, 30d investigate respectively residual mite number alive, 2 strains are looked in investigation Shi Mei community, every strain is looked into respectively 5 blades by orientation, 4 of the four corners of the world, each community is looked into 40 blades altogether, records the mite number of living, and calculates control efficiency.Control efficiency computational methods are as follows:
Control efficiency (%)=(1-CK
1* Pt
1/ CK
2* Pt
2) * 100.
Wherein: CK
1represent the front insect population number of check plot medicine; Pt
1represent insect population number after treatment region medicine;
CK
2represent insect population number after the medicine of check plot; Pt
2represent the front insect population number for the treatment of region medicine;
Table 4, respectively process the result of the test of chemical control citrus red mite.
As can be seen from Table 4, when 50% Nylar Bifenazate water dispersible granules is used 2500-3000 times, after medicine, 7d, 14d, 30d are all better than each single dose to the preventive effect of citrus red mite and use separately, and after medicine, 30d preventive effect all still reaches more than 80% simultaneously, illustrates that this compound drug has good lasting effect.In pilot survey process, do not find that this compound drug produces poisoning to mandarin tree.
In sum, the present invention adopts the compound insecticidal miticide composition that two kinds of active components are Nylar and Bifenazate, has synergistic function, compare with existing unitary agent, insecticidal effect obviously improves, and the lasting period is long, to crop safety, be worth applying in agricultural production.
Claims (4)
1. an insecticide acaricide composition that contains Nylar and Bifenazate, it is characterized in that: active ingredient is Nylar and Bifenazate, wherein the weight ratio of Nylar and Bifenazate is 30:1～1:30, and Nylar and the Bifenazate gross weight percentage composition in composition is 1～85%.
2. a kind of insecticide acaricide composition that contains Nylar and Bifenazate according to claim 1, is characterized in that: described composition also contains insecticides adjuvant, to make the application forms that is applicable to agricultural use.
3. a kind of insecticide acaricide composition that contains Nylar and Bifenazate according to claim 1, is applicable to prevent and treat the insect in agricultural.
4. a kind of insecticide acaricide composition that contains Nylar and Bifenazate according to claim 3, is characterized in that: described insect is two spotted spider mite, aleyrodid, wood louse, thrips, aphid, scale insect.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107691465A (en) * | 2017-10-24 | 2018-02-16 | 天峨县平昌生态农业有限公司 | A kind of composition pesticide for preventing and treating citrus scale insect |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5367093A (en) * | 1991-11-22 | 1994-11-22 | Uniroyal Chemical Company, Inc. | Insecticidal phenylhydrazine derivatives |
| CN101379982A (en) * | 2008-07-17 | 2009-03-11 | 张少武 | Insecticidal composition containing pyriproxyfen and avermectin |
| CN101669508A (en) * | 2009-04-27 | 2010-03-17 | 陕西上格之路生物科学有限公司 | Bifenazate-containing insecticide composition |
-
2014
- 2014-06-19 CN CN201410277020.3A patent/CN104082322B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5367093A (en) * | 1991-11-22 | 1994-11-22 | Uniroyal Chemical Company, Inc. | Insecticidal phenylhydrazine derivatives |
| CN101379982A (en) * | 2008-07-17 | 2009-03-11 | 张少武 | Insecticidal composition containing pyriproxyfen and avermectin |
| CN101669508A (en) * | 2009-04-27 | 2010-03-17 | 陕西上格之路生物科学有限公司 | Bifenazate-containing insecticide composition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107691465A (en) * | 2017-10-24 | 2018-02-16 | 天峨县平昌生态农业有限公司 | A kind of composition pesticide for preventing and treating citrus scale insect |
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