CN104082300B - Insecticide acaricide composition containing pyriproxyfen and spirodiclofen - Google Patents
Insecticide acaricide composition containing pyriproxyfen and spirodiclofen Download PDFInfo
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- CN104082300B CN104082300B CN201410277016.7A CN201410277016A CN104082300B CN 104082300 B CN104082300 B CN 104082300B CN 201410277016 A CN201410277016 A CN 201410277016A CN 104082300 B CN104082300 B CN 104082300B
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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 its application, specifically one kind are effective with Nylar and Envidor
Composition composition pesticide.
Background technology
Nylar：Belong to the novel pesticide of juvenoid, the mechanism of action is the inhibitor of chitin synthetase.Right
Bemisia tabaci, scale insect, diamondback moth, beet armyworm, Prodenia litura, pear psyllid, thrips etc. have good prevention effect, originally simultaneously
Product have good prevention effect to sanitary insect pests such as fly, mosquitoes.
Envidor：It is a kind of spirocyclic tetronic acid class acaricide, the mechanism of action is the lipogenesis of suppression demodicid mite, blocks the energy of demodicid mite
Amount metabolism, thus lead to evil mite dead.Can be used for the preventing and treating of evil mite on the solanaceous crops such as fruit tree and Fructus Solani melongenae, Fructus Capsici, Fructus Lycopersici esculenti.This
Outward, the insects such as pear sucker, oystershell scale and leafhopper class are also had and simultaneous well control effect.
The resistance problems of agricultural pests are global problems, always the emphasis of agricultural science and technology worker concern
Problem.With to the continuity year in year out of Chemical Control of Harmful Insects, the increase of Pesticide use amount and not scientifical use pesticide
Etc. the impact of factor, lead to pest resistance increasingly serious, the pest species producing resistance are on the increase.Simultaneously as high intensity
Use pesticide, result in that Practice for Pesticide Residue in Agricultural Products is exceeded, pollution environment and peasant's drug cost be a series of problems, such as increase, no
Sustainable development beneficial to agricultural.
Therefore, develop efficiently, low toxicity, low-residual, the different mechanism of action, have the compounding system of synergistic function simultaneously again
Agent, not only facilitates the generation delaying pest resistance to insecticide, but also can extend the service life of pesticide species, reduces and uses agent
Amount, cost-effective, reduce the pollution to environment.
The present inventor has made intensive studies to the compounded formula screening of Nylar and Envidor, finds Nylar and spiral shell demodicid mite
Ester is compounded, and has obvious synergistic function in the range of certain compound proportion, in actual use simultaneously,
Expand insecticidal spectrum, to insect agriculturally, such as red spider, leafhopper, aleyrodid, wood louse, scale insect etc. has outstanding preventing and treating to imitate
Really, after further study, complete the present invention.
Content of the invention
It is an object of the invention to provide a kind of insecticide acaricide composition containing Nylar and Envidor, this Insecticiding-miticiding
Compositionss have obvious synergistic function, expand insecticidal spectrum, can be used for preventing and treating red spider agriculturally, leafhopper, aleyrodid,
The various pests such as wood louse, scale insect.
Another object of the present invention is to the insecticide acaricide composition containing Nylar and Envidor, can subtract in use
Lack dosage, reduce residual quantity on crops for the pesticide, delay the generation of pest resistance to insecticide moreover it is possible to make it to various insects
Prevention effect be used alone to compare than single dose and significantly improve, laborsaving, economical, reduce farmer's burdens.
Technical solution of the present invention：A kind of insecticide acaricide composition containing Nylar and Envidor, with Nylar and spiral shell demodicid mite
Ester is effective ingredient, and the weight of Nylar and etoxazole ratio is for 40:1～1:40, Nylar and Envidor weight summation are in combination
Percentage by weight in thing is 1%～85%, and remaining is to allow in pesticide to use and acceptable auxiliary element.
Described auxiliary element is solvent, emulsifying agent, wetting agent, dispersant, stabilizer, antifreezing agent, thickening agent, disintegrate
One of agent, binding agent, defoamer, penetrating agent, synergist, fire retardant and filler or more than one combination, above material
It is conventional known substance in pesticidal preparations, is varied from according to being prepared into the different formulations of pesticide, but have no special limit
Fixed.
The known method of the present invention can be prepared in suitable agricultural production use any one dosage form, reasonable dose
Type has suspending agent, aqueous emulsion, microemulsion, water dispersible granules, wettable powder, ultra low volume liquids, microcapsule suspending agent and hot mist
Agent..
The frequency of administration of insecticide acaricide composition of the present invention and amount of application change and have with crops, insect, weather condition
Small variations, can reach the purpose of effective preventing and treating by using suitable dosage.
Compared with prior art, it is an advantage of the current invention that：
1st, Nylar and Envidor compound and have synergistic function, are used alone than single dose and significantly improve to insect
Prevention effect, expand insecticidal spectrum simultaneously, solve when single dose is used alone to some insect effects difference defect.
2nd, Nylar and two kinds of effective ingredient of Envidor compound, and decrease Pesticide use amount, reduce use cost, mitigation
To the pollution of environment, delay the generation of pest resistance to insecticide, increased the service life of pesticide.
Specific embodiment
Essence for a better understanding of the present invention, is described further to present disclosure with reference to embodiment,
But limitation of the present invention can not be considered as.
(1) Formulation Example
In following examples, effective ingredient adopts 95% Nylar active compound and 98% Envidor active compound, and each component percentage contains
Amount is weight percentage.
Embodiment 1：30% Nylar Envidor suspending agent.
Nylar 25%, Envidor 5%, alkylphenol polyoxyethylene 15%, sodium lauryl sulphate 15%, aluminium-magnesium silicate
2%th, glycerol 2%, silicone oil 0.1%, deionized water supplies 100%.By above-mentioned effective ingredient, dispersant, wetting agent, thickening
Agent, antifreezing agent, defoamer and deionized water mixing, through sand milling in high speed shear dispersion, sand mill, form in water-medium
High dispersive, stable suspension system, you can 30% Nylar Envidor suspending agent is obtained.
Embodiment 2：20% Nylar spirodiclofen water emulsion.
Nylar 16%, Envidor 4%, dimethylbenzene 10%, Ketohexamethylene 5%, styrenated phenol polyoxyethylene ether 10%, wooden
Plain sulfonate 10%, sodium sorbate 1%, propylene glycol 1%, deionized water supplies 100%.By above-mentioned effective ingredient, solvent, emulsifying
Agent, dispersant and stabilizer are mixed to form oil phase, and antifreezing agent dissolves formation aqueous phase in water, slowly oil under cutter effect
It is added in aqueous phase, and continues shearing about 30 minutes, you can 20% Nylar spirodiclofen water emulsion is obtained.
Embodiment 3：40% Nylar spirodiclofen microemulsion.
Nylar 30%, Envidor 10%, Ketohexamethylene 20%, styrenated phenol polyoxyethylene ether 15%, sodium citrate 2%,
Organosilicon 1%, double to kill 2%, deionized water supplies 100%.Effective ingredient solvent is completely dissolved, then adds emulsifying
Agent, stabilizer, penetrating agent, synergist mix homogeneously, are eventually adding deionized water, after being sufficiently stirred for, you can 40% pyrrole is obtained
Propyl ether spirodiclofen microemulsion.
Embodiment 4：65% Nylar Envidor wettable powder.
Nylar 55%, Envidor 10%, fatty alcohol-polyoxyethylene ether 5%, calcium dodecyl benzene sulfonate 5%, kieselguhr
Supply 100%.By above-mentioned, effective ingredient, dispersant, wetting agent and filler are mixed, again through comminution by gas stream after mechanical activation comminution, mix
Close uniformly, you can 65% Nylar Envidor wettable powder is obtained.
Embodiment 5：50% Nylar spirodiclofen water dispersible granule.
Nylar 45%, Envidor 5%, lignosulfonates 10%, sodium alkyl benzene sulfonate 10%, sodium sulfate 2%, poly- second
Glycol 2%, Kaolin supplies 100%.Above-mentioned effective ingredient, dispersant, wetting agent, disintegrating agent, binding agent and filler are mixed
Uniformly, pulverized with micro jet, through mediating, be subsequently adding in fluidized-bed granulation dryer and carry out pelletize, drying, sieve
Point, you can 50% Nylar spirodiclofen water dispersible granule is obtained.
Embodiment 6：20% Nylar Envidor ultra low volume liquids.
Nylar 15%, Envidor 5%, DMF 20%, sodium alkyl benzene sulfonate 5%, Oleum Ricini polyoxy
Vinyl Ether 3%, azone 2%, two wires oil complements to 100%.By above-mentioned effective ingredient with, after stirring solvent dissolving, adding other
Auxiliary agent, is thoroughly mixed uniformly, you can 20% Nylar Envidor ultra low volume liquids are obtained.
Embodiment 7：25% Nylar Envidor microcapsule suspending agent.
Nylar 20%, Envidor 5%, methyl diphenylene diisocyanate 10%, Ketohexamethylene 20%, Oleum Ricini polyoxy second
Alkene ether 5%, lignosulfonates 3%, sodium hydroxide 2%, deionized water complements to 100%.By above-mentioned effective ingredient, macromolecule
Cyst material, solvent mixing, make to be dissolved into homogeneous oil phase, in a shear condition, oil phase are added to containing emulsifying agent, pH regulator
In agent, the aqueous phase solution of dispersant, surplus deionized water is supplied, and bi-material reacts in oil-water interfaces, forms high score
Ascus wall, you can 25% Nylar Envidor microcapsule suspending agent is obtained.
Embodiment 8：5% Nylar spirodiclofen hot aerosol.
Nylar 4%, Envidor 1%, dimethylbenzene 10%, Ketohexamethylene 5%, alkylphenol polyoxyethylene 10%, dodecane
Base benzenesulfonic acid calcium 5%, thiophene ketone 2%, triphenyl phosphate 2%, soybean oil complements to 100%.Above-mentioned effective ingredient and solvent are thrown
Enter in the reaction vessel with stirring, after effective ingredient fully dissolves, add other auxiliary agents, be sufficiently stirred for about 60 minutes, make
Its mix homogeneously, you can 5% Nylar spirodiclofen hot aerosol is obtained.
(2) the indoor biological determination of activity of insecticide acaricide composition of the present invention and field efficacy checking.
1st, the Nylar and Envidor indoor joint toxicity measuring to scale insect.
For test worm：Select the scale insect nymph being collected in citrus orchard and raising breeding indoors.
Reagent agent：95% Nylar active compound and 98% Envidor active compound.
Test method：It is measured using nebulization, concrete grammar is as follows.
Select scale insect nymph healthy, that age is consistent in laboratory, put in the culture dish with Citrus leaf, often
Ware 40 cephalont, often processes and sets 4 repetitions, sprayed with potter spray tower under 50PSI pressure, sprays a ware, every ware every time
Spraying liquid 1ml, takes out culture dish after sedimentation 1min, then the culture dish processing is put into 25 DEG C, the illumination cultivation of 12H/12H
Culture in case, if the process of the corresponding organic solvent without medicament is as comparison.72h investigation test worm death condition after process,
Record total borer population and dead borer population.
Carry out statistical analysiss with DPS statistical analysis software, calculate the LC of each medicament50, and mixture is calculated according to the abundant method of Sun Yun
Co-toxicity coefficient (CTC value).
Actual measurement toxicity index (ATI)=(standard agent LC50/ reagent agent LC50)×100.
Percentage composition+B the medicament toxicity index of A in theoretical toxicity index (TTI)=A medicament toxicity index × mixture × mixed
The percentage composition of B in agent.
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI)/mixture theoretical toxicity index (TTI)] × 100.
Act on the criteria for classifying according to NY/T11547.7-2006 insecticide combination：Co-toxicity coefficient (CTC) >=120 shows as
Potentiation；Co-toxicity coefficient (CTC)≤80 shows as antagonism；80 ＜ co-toxicity coefficient (CTC) ＜ 120 show as being added and make
With.
Table 1, the Nylar and Envidor indoor joint toxicity measuring result to scale insect.
| Medicament title and proportioning (weight ratio) | LC50(mg/L) | ATI | TTI | CTC |
| Nylar | 8.32 | 100.00 | - | - |
| Envidor | 25.73 | 32.34 | - | - |
| Nylar:Envidor (40:1) | 6.39 | 130.20 | 98.35 | 132.38 |
| Nylar:Envidor (30:1) | 5.85 | 142.22 | 97.82 | 145.39 |
| Nylar:Envidor (20:1) | 4.97 | 167.40 | 96.78 | 172.97 |
| Nylar:Envidor (10:1) | 4.16 | 200.00 | 93.85 | 213.11 |
| Nylar:Envidor (1:1) | 4.87 | 170.84 | 66.17 | 258.18 |
| Nylar:Envidor (1:10) | 7.96 | 104.52 | 38.49 | 271.55 |
| Nylar:Envidor (1:20) | 10.81 | 76.97 | 35.56 | 216.45 |
| Nylar:Envidor (1:30) | 14.13 | 58.88 | 34.52 | 170.57 |
| Nylar:Envidor (1:40) | 17.27 | 48.18 | 33.99 | 141.75 |
As it can be seen from table 1 Nylar and Envidor are 40:1～1:When compounding in the range of 40 (by weight), poison system altogether
Number (CTC) is all higher than 120, shows synergistic function to scale insect it is seen that Nylar and Envidor compound and have reasonability
And feasibility.
2nd, the Nylar and Envidor indoor joint toxicity measuring to citrus red mite.
For test worm：Select the red spider female one-tenth demodicid mite being collected in citrus orchard and raising breeding indoors.
Reagent agent：95% Nylar active compound and 98% Envidor active compound.
Test method adopts leaf butterfly nebulization, and concrete operation method is as follows：
Choose the Citrus leaf of healthy growth, make leaf butterfly with card punch, place a wet sponge block in culture dish, thereon
Put filter paper, foliation butterfly on filter paper, every ware puts 2 pieces of leaf butterflies, and citrus red mite female one-tenth demodicid mite that select health, that age is consistent is inoculated into
On leaf butterfly, every leaf butterfly inoculates 20, often processes and sets 4 repetitions.The culture dish being connected to leaf butterfly is placed under potter spray tower,
Spray under 50PSI pressure, spray amount is 1ml, take out culture dish after sedimentation 1min, then the culture dish processing is put into 25
DEG C, culture in 12H/12H illumination box, if the process of the corresponding organic solvent without medicament is as comparison.48h after process
Investigation test worm death condition, records total borer population and dead borer population.
Carry out statistical analysiss with DPS statistical analysis software, calculate the LC of each medicament50, and mixture is calculated according to the abundant method of Sun Yun
Co-toxicity coefficient (CTC value).
Actual measurement toxicity index (ATI)=(standard agent LC50/ reagent agent LC50)×100.
Percentage composition+B the medicament toxicity index of A in theoretical toxicity index (TTI)=A medicament toxicity index × mixture × mixed
The percentage composition of B in agent.
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (ATI)/mixture theoretical toxicity index (TTI)] × 100.
Act on the criteria for classifying according to NY/T11547.7-2006 insecticide combination：Co-toxicity coefficient (CTC) >=120 shows as
Potentiation；Co-toxicity coefficient (CTC)≤80 shows as antagonism；80 ＜ co-toxicity coefficient (CTC) ＜ 120 show as being added and make
With.
From table 2 it can be seen that Nylar and Envidor are 40:1～1:When compounding in the range of 40 (by weight), poison system altogether
Number (CTC) is all higher than 120, shows synergistic function to citrus red mite it is seen that Nylar and Envidor compound and have conjunction
Rationality and feasibility.
Table 2, the Nylar and Envidor indoor joint toxicity measuring result to citrus red mite.
| Medicament title and proportioning (weight ratio) | LC50(mg/L) | ATI | TTI | CTC |
| Nylar | 22.96 | 100.00 | - | - |
| Envidor | 5.37 | 427.56 | - | - |
| Nylar:Envidor (40:1) | 14.83 | 154.82 | 107.99 | 143.37 |
| Nylar:Envidor (30:1) | 11.23 | 204.45 | 110.57 | 184.91 |
| Nylar:Envidor (20:1) | 8.97 | 255.96 | 115.60 | 221.42 |
| Nylar:Envidor (10:1) | 6.63 | 346.30 | 129.78 | 266.84 |
| Nylar:Envidor (1:1) | 3.82 | 601.05 | 263.78 | 227.86 |
| Nylar:Envidor (1:10) | 3.06 | 750.33 | 397.78 | 188.63 |
| Nylar:Envidor (1:20) | 3.37 | 681.31 | 411.96 | 165.38 |
| Nylar:Envidor (1:30) | 3.81 | 602.62 | 416.99 | 144.52 |
| Nylar:Envidor (1:40) | 4.12 | 557.28 | 419.57 | 132.82 |
3rd, Nylar and Envidor compound the field control effectiveness test to scale insect.
It is used for preventing and treating Citrus scale insect using embodiment 1 (30% Nylar Envidor suspending agent), before dispenser, investigate worm
Mouth radix, after medicine, 7d, 14d, 30d investigate residual borer population alive respectively, and during investigation, every cell looks into 2 plants, press the four corners of the world 4 side for every plant
Position looks into 5 blades respectively, and each cell looks into 40 blades altogether, records borer population of living, and calculates prevention effect.Prevention effect computational methods
As follows：
Preventive effect (%)=(1-CK1×Pt1/CK2×Pt2)×100.
Wherein：CK1Represent insect population number before the medicine of check plot；Pt1Represent insect population number after treatment region medicine；
CK2Represent insect population number after the medicine of check plot；Pt2Represent insect population number before treatment region medicine；
From table 3 it can be seen that when 30% Nylar Envidor suspending agent uses 2500-3000 times, 7d after medicine, 14d,
30d is superior to each single dose to the preventive effect of scale insect and is used alone, and after medicine, 30d preventive effect all still reaches more than 80% simultaneously, illustrates that this is multiple
Dose out powders have good lasting effect.Do not find that this compound drug produces poisoning to mandarin tree during test survey.
Table 3, each result of the test processing chemical control scale insect.
4th, Nylar and Envidor compound the field control effectiveness test to citrus red mite.
It is used for preventing and treating citrus red mite using embodiment 4 (65% Nylar Envidor wettable powder), adjust before dispenser
Look into insect population, after medicine, 7d, 14d, 30d investigate residual demodicid mite number alive respectively, and during investigation, every cell looks into 2 plants, press the four corners of the world 4 for every plant
5 blades are looked in individual orientation respectively, and each cell looks into 40 blades altogether, record demodicid mite number of living, and calculate prevention effect.Prevention effect calculates
Method is as follows：
Prevention effect (%)=(1-CK1×Pt1/CK2×Pt2)×100.
Wherein：CK1Represent insect population number before the medicine of check plot；Pt1Represent insect population number after treatment region medicine；
CK2Represent insect population number after the medicine of check plot；Pt2Represent insect population number before treatment region medicine；
Table 4, each result of the test processing chemical control citrus red mite.
From table 4, it can be seen that when 65% Nylar Envidor wettable powder uses 3000-4000 times, 7d after medicine,
14d, 30d are superior to each single dose to the preventive effect of citrus red mite and are used alone, and after medicine, 30d preventive effect all still reaches more than 80% simultaneously,
Illustrate that this compound drug has good lasting effect.Do not find that this compound drug produces medicine to mandarin tree during test survey
Evil.
In sum, the present invention adopts the compound insecticidal miticide composition that two kinds of active components is Nylar and Envidor,
There is synergistic function, compared with existing unitary agent, insecticidal effect significantly improves, and the lasting period is long, to crop safety,
It is worth popularization and application in agricultural production.
Claims (2)
1. a kind of insecticide acaricide composition containing Nylar and Envidor it is characterised in that：Effective ingredient is Nylar and spiral shell
The weight of demodicid mite ester, wherein Nylar and Envidor is than for 1:10 or 1:1, Nylar and Envidor gross weight hundred in the composition
Content is divided to be 1～85%.
2. a kind of insecticide acaricide composition containing Nylar and Envidor described in claim 1 is preventing and treating insect agriculturally
In application；Described insect is red spider, 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 |
| CN105394043A (en) * | 2015-09-11 | 2016-03-16 | 广东中迅农科股份有限公司 | Pesticide composition containing pyridaben and pyriproxyfen |
| 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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