CN103931616A - Pesticide composition containing chlorfenapyr and Cyflumetofen - Google Patents
Pesticide composition containing chlorfenapyr and Cyflumetofen Download PDFInfo
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- CN103931616A CN103931616A CN201410097616.5A CN201410097616A CN103931616A CN 103931616 A CN103931616 A CN 103931616A CN 201410097616 A CN201410097616 A CN 201410097616A CN 103931616 A CN103931616 A CN 103931616A
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- cyflumetofen
- capillary
- pesticide
- chlorfenapyr
- pesticide composition
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Abstract
The invention discloses a pesticide composition containing chlorfenapyr and Cyflumetofen. The pesticide composition comprises a first effective component chlorfenapyr and a second effective component Cyflumetofen as well as a commonly used auxiliary component. The chlorfenapyr and the Cyflumetofen are in a weight ratio of 20:1-1:20, preferably 1:1-1:5. A large number of indoor and outdoor tests show that the pesticide composition has an obvious synergistic effect, can be used for controlling multiple pests in agriculture, especially suitable for control of red spiders and Empoasca pirisuga Matumura. At the same time, because of pesticide dosage reduction, the pesticide residue on crops is lowered, the environmental pollution is alleviated, and the generation of pest resistance to drugs is delayed.
Description
Technical field
The present invention relates to composition pesticide and application thereof, the specifically composition pesticide taking capillary and cyflumetofen as active ingredient, is applicable to the control of two spotted spider mite and tea lesser leafhopper on crops.
Background technology
Capillary (chlorfenapyr): be a kind of aryl substituted azole class Insecticidal and acaricidal agent, mechanism of action is to suppress the conversion of adenosine diphosphate (ADP) to adenosine triphosphate (ATP).This medical instrument has stomach toxicity and action of contace poison, and on blade face, permeability is strong, has certain systemic action.Can be applicable to prevent and treat various pests on the crops such as vegetables, fruit tree, tea tree, cotton and do harm to mite.
Cyflumetofen (Cyflumetofen): be a kind of novel acyl group acetonitrile class miticide, the mechanism of action is to suppress mitochondria electrical conductivity.Be mainly used on the crops such as fruit tree, vegetables, tea tree and flowers and prevent and treat mite pest, the diseases such as the insects such as diamond-back moth, prodenia litura, striped rice borer, rice fulgorid, black peach aphid and rice blast, powdery mildew, downy mildew are also had to good preventive and therapeutic effect simultaneously.
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 capillary and cyflumetofen, find that capillary and cyflumetofen carry out composite, within the scope of certain compound proportion, there is obvious synergistic function, in actual use simultaneously, to the insect in agricultural, especially two spotted spider mite and tea lesser leafhopper have outstanding control efficiency, after further study, have completed the present invention.
Summary of the invention
The object of the present invention is to provide a kind of composition pesticide containing capillary and cyflumetofen, this complex composition has obvious synergistic function, can be used for preventing and treating the various pests in agricultural, is especially suitable for the control of two spotted spider mite and tea lesser leafhopper.
Another object of the present invention is to the composition pesticide containing capillary and cyflumetofen, 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 scheme of the present invention: a kind of composition pesticide that contains capillary and cyflumetofen, taking capillary and cyflumetofen as active ingredient, the weight ratio of capillary and cyflumetofen is 20:1～1:20, preferred weight ratio is 5:1～1:5, capillary and the percentage by weight of cyflumetofen weight summation in composition are 0.1%～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, defoamer, bleeding agent, synergist, preservative 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.
Composition pesticide of 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 pesticide combination compositions 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, capillary and cyflumetofen 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, two kinds of active ingredients of capillary and cyflumetofen 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% capillary and the former medicine of 97% cyflumetofen, and each component percentage composition is weight percentage.
Embodiment 1:25% capillary cyflumetofen suspending agent.
Capillary 20%, cyflumetofen 5%, naphthalene sulfonic acid-formaldehyde condensation product 5%, Nekal BX 5%, xanthans 1%, polyethylene glycol 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 25% capillary cyflumetofen suspending agent.
Embodiment 2:30% capillary cyflumetofen aqueous emulsion.
Capillary 18%, cyflumetofen 12%, ethyl acetate 20%, fatty alcohol-polyoxyethylene ether 10%, alkyl benzene sulfonate calcium salt 5%, sodium citrate 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, make 30% capillary cyflumetofen aqueous emulsion.
Embodiment 3:20% capillary cyflumetofen microemulsion.
Capillary 5%, cyflumetofen 15%, ethyl acetate 10%, cyclohexanone 5%, castor oil polyoxyethylene ether 10%, xylitol 1.5%, azone 1.5%, 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, make 20% capillary cyflumetofen microemulsion.
Embodiment 4:75% capillary cyflumetofen wetting powder.
Capillary 45%, cyflumetofen 30%, aryl phenol polyoxyethylene succinate sulfonate 5%, neopelex 10%, kaolin 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 75% capillary cyflumetofen wetting powder.
Embodiment 5:50% capillary cyflumetofen water dispersible granules.
Capillary 15%, cyflumetofen 35%, naphthalene sulfonic acid-formaldehyde condensation product sodium salt 10%, neopelex 5%, urea 2%, gum Arabic 1%, 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% capillary cyflumetofen water dispersible granules.
Embodiment 6:1% capillary cyflumetofen ultra low volume liquids.
Capillary 0.2%, cyflumetofen 0.8%, DMF 10%, calcium dodecyl benzene sulfonate 2%, castor oil polyoxyethylene ether 2%, azone 2.5%, double to kill 1.5%, ethyl oleate complements to 100%.After above-mentioned active ingredient is dissolved by stirring solvent, then add other auxiliary agent, be fully uniformly mixed, make 1% capillary cyflumetofen ultra low volume liquids.
Embodiment 7:2% capillary cyflumetofen microcapsule suspending agent.
Capillary 0.5%, cyflumetofen 1.5%, the urea resin prepolymer aqueous solution 20%, ethyl acetate 10%, alkylphenol polyoxyethylene 5%, sodium hydroxide 2%, sodium lignin sulfonate 5%, 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, makes 2% capillary cyflumetofen microcapsule suspending agent.
Embodiment 8:5% capillary cyflumetofen thermal fog.
Capillary 2.5%, cyflumetofen 2.5%, 1-METHYLPYRROLIDONE 15%, fatty alcohol-polyoxyethylene ether 5%, calcium dodecyl benzene sulfonate 5%, azone 2%, ammonium polyphosphate 0.5%, methyl oleate 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, makes 5% capillary cyflumetofen thermal fog.
(2) the indoor biological activity determination of the present composition and field efficacy checking.
1, capillary and the cyflumetofen indoor joint toxicity measuring to tea lesser leafhopper.
For examination worm: select field gather and the indoor tea lesser leafhopper nymph in 3 age of raising breeding.
Reagent agent: the former medicine of 95% capillary and the former medicine of 97% cyflumetofen.
Test method: adopt infusion process to measure, concrete grammar is as follows.
Choose the fresh tea tree germ tip 3 strains, flooding after 30 seconds in reagent liquid, take out nature and dry, encase root moisturizing with wet absorbent cotton, outsourcing preservative film, is placed in teat glass (200mm × 30mm), 4 repetitions of every processing.The tea lesser leafhopper nymph in 3 age of then slightly anaesthetizing with writing brush access ether, 20 of every pipes, the mouth of pipe is tightened with white gauze.Be disposed, be placed in observation ward.
If containing the processing of the corresponding organic solvent of medicament not in contrast.After processing, 24h 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, capillary and the cyflumetofen indoor joint toxicity measuring to tea lesser leafhopper.
| Medicament title and proportioning (weight ratio) | LC 50(mg/L) | ATI | TTI | CTC |
| Capillary | 8.46 | 100.00 | - | - |
| Cyflumetofen | 25.33 | 33.40 | - | - |
| Capillary: cyflumetofen (20:1) | 6.75 | 125.33 | 96.83 | 129.44 |
| Capillary: cyflumetofen (10:1) | 6.24 | 135.58 | 93.95 | 144.31 |
| Capillary: cyflumetofen (5:1) | 5.68 | 148.94 | 88.90 | 167.54 |
| Capillary: cyflumetofen (1:1) | 6.84 | 123.68 | 66.70 | 185.43 |
| Capillary: cyflumetofen (1:5) | 9.89 | 85.54 | 44.50 | 192.23 |
| Capillary: cyflumetofen (1:10) | 12.26 | 69.00 | 39.45 | 174.90 |
| Capillary: cyflumetofen (1:20) | 17.38 | 48.68 | 36.57 | 133.10 |
As can be seen from Table 1, capillary and cyflumetofen are at 20:1～1:20(by weight) proportion in when composite, co-toxicity coefficient (CTC) is all greater than 120, tea lesser leafhopper is shown to synergistic function, especially when composite in scope at 1:1～1:5(by weight), synergistic function is more obvious, and co-toxicity coefficient (CTC) is all greater than 180, and visible capillary and cyflumetofen be composite has reasonability and feasibility.
2, capillary and the cyflumetofen indoor joint toxicity measuring to citrus red mite.
For examination worm: select field gather and the indoor female one-tenth mite of citrus red mite of raising breeding.
Reagent agent: the former medicine of 95% capillary and the former medicine of 97% cyflumetofen.
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, select the female one-tenth mite of citrus red mite healthy, that the length of time is consistent and be inoculated into leaf butterfly above, 20 of every leaf butterfly inoculations.
The culture dish that is connected to leaf butterfly is placed under potter spray tower, under 50PSI pressure, sprays, 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, after 48h, check dead borer population, calculate lethality.4 repetitions are established in every processing, and establish the processing of clear water blank.
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 2, capillary and the cyflumetofen indoor joint toxicity measuring to citrus red mite.
| Medicament title and proportioning (weight ratio) | LC 50(mg/L) | ATI | TTI | CTC |
| Capillary | 15.85 | 100.00 | - | - |
| Cyflumetofen | 5.64 | 281.03 | - | - |
| Capillary: cyflumetofen (20:1) | 11.29 | 140.39 | 108.62 | 129.25 |
| Capillary: cyflumetofen (10:1) | 9.48 | 167.19 | 116.46 | 143.57 |
| Capillary: cyflumetofen (5:1) | 7.22 | 219.53 | 130.17 | 168.65 |
| Capillary: cyflumetofen (1:1) | 4.46 | 355.38 | 190.51 | 186.54 |
| Capillary: cyflumetofen (1:5) | 3.65 | 434.25 | 250.86 | 173.11 |
| Capillary: cyflumetofen (1:10) | 3.87 | 409.56 | 264.57 | 154.80 |
| Capillary: cyflumetofen (1:20) | 4.28 | 370.33 | 272.41 | 135.95 |
As can be seen from Table 2, capillary and cyflumetofen are at 20:1～1:20(by weight) proportion in when composite, co-toxicity coefficient (CTC) is all greater than 120, citrus red mite is shown to synergistic function, especially when composite in scope at 1:1～1:5(by weight), synergistic function is more obvious, and co-toxicity coefficient (CTC) is all greater than 170, and visible capillary and cyflumetofen be composite has reasonability and feasibility.
3, the composite field control effectiveness test to tea lesser leafhopper of capillary and cyflumetofen.
Adopt embodiment 1 for preventing and treating tea lesser leafhopper, adopt spray-on process.Dispenser Qian Mei presses community 5 samplings of diagonal, every tealeaves tree 2～3 strains (depending on insect density) of choosing tea lesser leafhopper ovum and adult, tea lesser leafhopper quantity in statistics demarcation strain, the insect population radix before using this as dispenser.After medicine, 3d, 7d, 14d investigate respectively residual tea lesser leafhopper borer population alive, record the borer population of living, and calculate 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.
Table 3, respectively process the result of the test of chemical control tea lesser leafhopper.
As can be seen from Table 3, when 25% capillary cyflumetofen suspending agent effective ingredient consumption is 45-55mg/kg, after medicine, 3d, 7d, 14d are all better than each single dose to the preventive effect of tea lesser leafhopper and use separately, and after medicine, 14d preventive effect all still reaches more than 85% simultaneously, illustrates that this compound drug has good lasting effect.In pilot survey process, do not find that this compound drug produces poisoning to tea tree.
4, the composite field control effectiveness test to citrus red mite of capillary and cyflumetofen.
Adopt embodiment 7 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 2% capillary cyflumetofen microcapsule suspending agent effective ingredient consumption is 40-50mg/kg, after medicine, 7d, 14d, 30d are all better than each single dose to the preventive effect of citrus red mite and use separately, 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 oranges and tangerines.
In sum, it is the compound pesticide composition of capillary and cyflumetofen 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. a composition pesticide that contains capillary and cyflumetofen, is characterized in that: active ingredient is capillary and cyflumetofen, and the weight ratio of capillary and cyflumetofen is 20:1～1:20.
2. a kind of composition pesticide that contains capillary and cyflumetofen according to claim 1, is characterized in that: the formulation of described composition pesticide is the one in suspending agent, aqueous emulsion, microemulsion, water dispersible granules, wetting powder, ultra low volume liquids, microcapsule suspending agent and thermal fog.
3. a kind of composition pesticide that contains capillary and cyflumetofen according to claim 1, it is characterized in that: the weight ratio of capillary and cyflumetofen is 5:1～1:5, the percentage by weight of the weight summation of capillary and cyflumetofen in composition is 0.1～85%.
4. a kind of composition pesticide that contains capillary and cyflumetofen according to claim 1 is for the control of two spotted spider mite on crops and tea lesser leafhopper.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410097616.5A CN103931616A (en) | 2014-03-16 | 2014-03-16 | Pesticide composition containing chlorfenapyr and Cyflumetofen |
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|---|---|---|---|
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009039951A2 (en) * | 2007-09-21 | 2009-04-02 | Bayer Cropscience Ag | Active ingredient combinations having insecticidal and acaricidal properties |
| CN103503870A (en) * | 2013-09-13 | 2014-01-15 | 海利尔药业集团股份有限公司 | Mite killing composition containing cyflumetofen and chlorfenapyr |
-
2014
- 2014-03-16 CN CN201410097616.5A patent/CN103931616A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009039951A2 (en) * | 2007-09-21 | 2009-04-02 | Bayer Cropscience Ag | Active ingredient combinations having insecticidal and acaricidal properties |
| CN103503870A (en) * | 2013-09-13 | 2014-01-15 | 海利尔药业集团股份有限公司 | Mite killing composition containing cyflumetofen and chlorfenapyr |
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