CN104082300A - Insecticide acaricide composition containing pyriproxyfen and spirodiclofen - Google Patents
Insecticide acaricide composition containing pyriproxyfen and spirodiclofen Download PDFInfo
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- CN104082300A CN104082300A CN201410277016.7A CN201410277016A CN104082300A CN 104082300 A CN104082300 A CN 104082300A CN 201410277016 A CN201410277016 A CN 201410277016A CN 104082300 A CN104082300 A CN 104082300A
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- nylar
- spiral shell
- mite ester
- shell mite
- spirodiclofen
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Abstract
The invention discloses an insecticide acaricide composition containing pyriproxyfen and spirodiclofen. The insecticide acaricide composition comprises a first active ingredient--pyriproxyfen, a second active ingredient--spirodiclofen and frequently used auxiliary ingredients, wherein a weight ratio of pyriproxyfen to spirodiclofen is 40: 1 to 1: 40. 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, leafhoppers, whiteflies, plant louse 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 a kind of taking Nylar and spiral shell mite ester as active ingredient composition pesticide.
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 the sanitary insect pest such as fly, mosquito simultaneously.
Spiral shell mite ester: be a kind of spirocyclic tetronic acid class miticide, the mechanism of action is to suppress the Fatty synthesis of mite, the energy metabolism of blocking-up mite, thus cause the death of evil mite.Can be used for the control of evil mite on the solanaceous crops such as fruit tree and eggplant, capsicum, tomato.In addition, the insects such as pear sucker, oystershell scale and leafhopper class are also had to the well double effect of controlling.
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.Along with the increase of the continuity year in year out on Chemical Control of Harmful Insects, agricultural chemicals usage amount and non-science are used the impact of the factors such as agricultural chemicals, cause pest resistance day by day serious, the pest species that produces resistance is on the increase.Meanwhile, due to high-intensity use agricultural chemicals, cause 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 spiral shell mite ester, find that Nylar and spiral shell mite ester carry out composite, within the scope of certain compound proportion, there is obvious synergistic function, in actual use simultaneously, expand insecticidal spectrum, to the insect in agricultural, as two spotted spider mite, leafhopper, aleyrodid, wood louse, 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 a kind of insecticide acaricide composition that contains Nylar and spiral shell mite ester, this insecticide acaricide 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, leafhopper, aleyrodid, wood louse, scale insect.
Another object of the present invention is to the insecticide acaricide composition that contains Nylar and spiral shell mite ester, 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 use and compare obvious raising separately than single dose the control efficiency of various insects, laborsaving, economical, reduce farmer's burdens.
Technical solution of the present invention: a kind of insecticide acaricide composition that contains Nylar and spiral shell mite ester, taking Nylar and spiral shell mite ester as active ingredient, the weight ratio of Nylar and second mite azoles is 40:1～1:40, Nylar and the percentage by weight of spiral shell mite ester 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, change to some extent according to being prepared into the different formulations of pesticide, but be not particularly limited.
The present invention can be prepared into any one formulation using in applicable agricultural production by known method, 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 insecticide acaricide composition of the present invention 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 spiral shell mite ester are composite has a synergistic function, has obviously improved the control efficiency to insect than the independent use of single dose, has expanded insecticidal spectrum simultaneously, has solved the defect to some insect weak effect when single dose is used separately.
2, Nylar and two kinds of active ingredients of spiral shell mite ester are composite, have 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 98% spiral shell mite ester, and each component percentage composition is weight percentage.
Embodiment 1:30% Nylar spiral shell mite ester suspending agent.
Nylar 25%, spiral shell mite ester 5%, alkylphenol polyoxyethylene 15%, lauryl sodium sulfate 15%, aluminium-magnesium silicate 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 30% Nylar spiral shell mite ester suspending agent.
Embodiment 2:20% Nylar spirodiclofen water emulsion.
Nylar 16%, spiral shell mite ester 4%, dimethylbenzene 10%, cyclohexanone 5%, styrenated phenol APEO 10%, lignosulfonates 10%, sodium sorbate 1%, propane diols 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 20% Nylar spirodiclofen water emulsion.
Embodiment 3:40% Nylar spirodiclofen microemulsion.
Nylar 30%, spiral shell mite ester 10%, cyclohexanone 20%, styrenated phenol APEO 15%, sodium citrate 2%, organosilicon 1%, double to kill 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 spirodiclofen microemulsion.
Embodiment 4:65% Nylar spiral shell mite ester wetting powder.
Nylar 55%, spiral shell mite ester 10%, fatty alcohol-polyoxyethylene ether 5%, calcium dodecyl benzene sulfonate 5%, diatomite supplies 100%.By above-mentioned, active ingredient, dispersant, wetting agent and filler are mixed, after mechanical crushing, again through air-flow crushing, mix, can make 65% Nylar spiral shell mite ester wetting powder.
Embodiment 5:50% Nylar spirodiclofen water dispersible granule.
Nylar 45%, spiral shell mite ester 5%, lignosulfonates 10%, sodium alkyl benzene sulfonate 10%, sodium sulphate 2%, polyethylene glycol 2%, kaolin supplies 100%.Above-mentioned active ingredient, dispersant, wetting agent, disintegrant, binding agent and filler are mixed, pulverize with micro jet, through mediating, then add in fluidized bed prilling dryer and carry out granulation, dry, screening, can make 50% Nylar spirodiclofen water dispersible granule.
Embodiment 6:20% Nylar spiral shell mite ester ultra low volume liquids.
Nylar 15%, spiral shell mite ester 5%, DMF 20%, sodium alkyl benzene sulfonate 5%, castor oil polyoxyethylene ether 3%, azone 2%, two wires 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 20% Nylar spiral shell mite ester ultra low volume liquids.
Embodiment 7:25% Nylar spiral shell mite ester micro capsule suspending agent.
Nylar 20%, spiral shell mite ester 5%, methyl diphenylene diisocyanate 10%, cyclohexanone 20%, castor oil polyoxyethylene ether 5%, lignosulfonates 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 25% Nylar spiral shell mite ester micro capsule suspending agent.
Embodiment 8:5% Nylar spirodiclofen hot aerosol.
Nylar 4%, spiral shell mite ester 1%, dimethylbenzene 10%, cyclohexanone 5%, alkylphenol polyoxyethylene 10%, calcium dodecyl benzene sulfonate 5%, thiophene ketone 2%, triphenyl phosphate 2%, soybean 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 60 minutes, mixes it, can make 5% Nylar spirodiclofen hot aerosol.
(2) the indoor biological activity determination of insecticide acaricide composition of the present invention and field efficacy checking.
1, Nylar and the indoor joint toxicity measuring of spiral shell mite ester 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 98% spiral shell mite ester.
Test method: adopt spray-on process to measure, concrete grammar is as follows.
Select scale insect nymph healthy, that the length of time is consistent in laboratory, put into the culture dish with Citrus leaf, every ware 40 cephalont, 4 repetitions are established in every processing, spray with potter spray tower under 50PSI pressure, 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 DEG C, 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.
Carry out statistical analysis with DPS statistical analysis software, 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 of mixture actual measurement toxicity index (ATI)/mixture (TTI)] × 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 spiral shell mite ester indoor joint toxicity measuring result to scale insect.
| Medicament title and proportioning (weight ratio) | LC 50(mg/L) | ATI | TTI | CTC |
| Nylar | 8.32 | 100.00 | - | - |
| Spiral shell mite ester | 25.73 | 32.34 | - | - |
| Nylar: spiral shell mite ester (40:1) | 6.39 | 130.20 | 98.35 | 132.38 |
| Nylar: spiral shell mite ester (30:1) | 5.85 | 142.22 | 97.82 | 145.39 |
| Nylar: spiral shell mite ester (20:1) | 4.97 | 167.40 | 96.78 | 172.97 |
| Nylar: spiral shell mite ester (10:1) | 4.16 | 200.00 | 93.85 | 213.11 |
| Nylar: spiral shell mite ester (1:1) | 4.87 | 170.84 | 66.17 | 258.18 |
| Nylar: spiral shell mite ester (1:10) | 7.96 | 104.52 | 38.49 | 271.55 |
| Nylar: spiral shell mite ester (1:20) | 10.81 | 76.97 | 35.56 | 216.45 |
| Nylar: spiral shell mite ester (1:30) | 14.13 | 58.88 | 34.52 | 170.57 |
| Nylar: spiral shell mite ester (1:40) | 17.27 | 48.18 | 33.99 | 141.75 |
As can be seen from Table 1, when Nylar and spiral shell mite ester are composite in 40:1～1:40 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 spiral shell mite ester be composite has reasonability and feasibility.
2, Nylar and the indoor joint toxicity measuring of spiral shell mite ester 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 98% spiral shell mite ester.
Test method adopts leaf butterfly spray-on process, and concrete operation method is as follows:
Choose the Citrus leaf of healthy growth, make leaf butterfly with card punch, 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 DEG C, 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.
Carry out statistical analysis with DPS statistical analysis software, 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 of mixture actual measurement toxicity index (ATI)/mixture (TTI)] × 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 spiral shell mite ester are composite in 40:1～1:40 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 spiral shell mite ester be composite has reasonability and feasibility.
Table 2, Nylar and the spiral shell mite ester indoor joint toxicity measuring result to citrus red mite.
| Medicament title and proportioning (weight ratio) | LC 50(mg/L) | ATI | TTI | CTC |
| Nylar | 22.96 | 100.00 | - | - |
| Spiral shell mite ester | 5.37 | 427.56 | - | - |
| Nylar: spiral shell mite ester (40:1) | 14.83 | 154.82 | 107.99 | 143.37 |
| Nylar: spiral shell mite ester (30:1) | 11.23 | 204.45 | 110.57 | 184.91 |
| Nylar: spiral shell mite ester (20:1) | 8.97 | 255.96 | 115.60 | 221.42 |
| Nylar: spiral shell mite ester (10:1) | 6.63 | 346.30 | 129.78 | 266.84 |
| Nylar: spiral shell mite ester (1:1) | 3.82 | 601.05 | 263.78 | 227.86 |
| Nylar: spiral shell mite ester (1:10) | 3.06 | 750.33 | 397.78 | 188.63 |
| Nylar: spiral shell mite ester (1:20) | 3.37 | 681.31 | 411.96 | 165.38 |
| Nylar: spiral shell mite ester (1:30) | 3.81 | 602.62 | 416.99 | 144.52 |
| Nylar: spiral shell mite ester (1:40) | 4.12 | 557.28 | 419.57 | 132.82 |
3, the composite field control effectiveness test to scale insect of Nylar and spiral shell mite ester.
Adopt embodiment 1 (30% Nylar spiral shell mite ester suspending agent) 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 30% Nylar spiral shell mite ester suspending agent uses 2500-3000 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 spiral shell mite ester.
Adopt embodiment 4 (65% Nylar spiral shell mite ester wetting powder) 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 65% Nylar spiral shell mite ester wetting powder uses 3000-4000 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, it is the compound insecticidal miticide composition of Nylar and spiral shell mite ester that the present invention adopts two kinds of active components, has synergistic function, compared 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 spiral shell mite ester, it is characterized in that: active ingredient is Nylar and spiral shell mite ester, wherein the weight ratio of Nylar and spiral shell mite ester is 40:1～1:40, and Nylar and the gross weight percentage composition of spiral shell mite ester in composition are 1～85%.
2. a kind of insecticide acaricide composition that contains Nylar and spiral shell mite ester 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 spiral shell mite ester 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 spiral shell mite ester according to claim 3, is characterized in that: described insect is two spotted spider mite, leafhopper, aleyrodid, wood louse and scale insect.
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| CN106259394A (en) * | 2015-05-19 | 2017-01-04 | 成都宝科生物科技有限公司 | A kind of containing spirodiclofen and the composition pesticide of Cascade |
| 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 |
| CN108450469A (en) * | 2018-03-23 | 2018-08-28 | 上海生农生化制品股份有限公司 | A kind of composition pesticide containing Envidor and its application in pest control |
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| CN108450469A (en) * | 2018-03-23 | 2018-08-28 | 上海生农生化制品股份有限公司 | A kind of composition pesticide containing Envidor and its application in pest control |
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| CN104082300B (en) | 2017-02-15 |
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