CN104814031A - Insecticidal composition containing butene-fipronil and clothianidin - Google Patents
Insecticidal composition containing butene-fipronil and clothianidin Download PDFInfo
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- CN104814031A CN104814031A CN201510222136.1A CN201510222136A CN104814031A CN 104814031 A CN104814031 A CN 104814031A CN 201510222136 A CN201510222136 A CN 201510222136A CN 104814031 A CN104814031 A CN 104814031A
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- clothianidin
- fipronil
- butene
- insecticidal composition
- pesticidal combination
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Abstract
The invention discloses an insecticidal composition containing butene-fipronil and clothianidin, wherein the insecticidal composition includes a common additive, the butene-fipronil and the clothianidin. The weight part ratio of the butene-fipronil to the clothianidin is 1:5-5:1 and the total weight of the butene-fipronil and the clothianidin accounts for 1-80% of the weight of the insecticidal composition. The insecticidal composition is used for preventing and treating rice plant hoppers, is better than a single-component insecticide in both fast-acting property and durability, is reduced in usage amount and usage cost, alleviates generation of drug resistance in pests and is beneficial to environment protection.
Description
Technical field
The present invention relates to agricultural insecticide composition and application thereof, specifically a kind of Pesticidal combination that is active ingredient with butene-fipronil and clothianidin, is applied to water prevention rice fulgorid.
Background technology
Butene-fipronil, English name: flufiprole, butene-fipronil is a kind of Phenylpyrazole insecticides, insecticidal spectrum is wide, to insect based on stomach poison function, have concurrently and tag and certain systemic action, its mechanism of action is the chloride metabolism hindering insect γ-aminobutyric acid to control, efficient to various pests such as the snout moth's larva of rice, rice fulgorid, vegetables lepidoptera pests.
Clothianidin, English name: clothianidin, clothianidin is nicotinoids super-high-efficient insecticide, and have wide spectrum, efficient, low toxicity, low-residual, insect not easily produces resistance, and have tag, the multiple action such as stomach toxicity and interior suction.After contacting pests medicament, nervous centralis normal conduction is obstructed, and makes it benumb death, is mainly used in control sucking pest as the insect such as rice fulgorid, aphid.
Rice fulgorid belongs to Insecta Homoptera Delphacidae insect.Inhale plant juice to cause harm the crops such as paddy rice to sting, particularly attach most importance to semilate rice, late rice harm, frequent species has brown planthopper, white-backed planthopper and small brown rice planthopper.
Different pesticide species composition carries out composite, is the common methods of preventing and treating agriculture resistant insect.The present inventor is on the basis of a large amount of indoor virulences and field medicine effect test, the compounded formula screening of butene-fipronil and clothianidin is conducted in-depth research, find that butene-fipronil and clothianidin carry out composite, in certain proportion, there is obvious synergistic function, and to rice hoppers, there is outstanding control efficiency, after further study, the present invention is completed.
Summary of the invention
The technical problem that the present invention solves be to provide a kind of efficient, low toxicity and the lasting period long, effectively can prevent and treat crops Lepidoptera class pest, be conducive to the Pesticidal combination containing butene-fipronil and clothianidin of integrated pest management.
For solving the problem, the technical solution adopted in the present invention is: a kind of Pesticidal combination containing butene-fipronil and clothianidin, comprise usual auxiliaries, butene-fipronil and clothianidin, the ratio of weight and number of butene-fipronil and clothianidin is 1:5-5:1, and butene-fipronil and the percentage by weight of clothianidin weight summation in Pesticidal combination are 1%-80%.
Preferably, butene-fipronil and the percentage by weight of clothianidin weight summation in Pesticidal combination are 10-60%.
Described Pesticidal combination according to well known to a person skilled in the art method, can be mixed with the application forms of the applicable agricultural uses such as suspending agent, water dispersible granules, aqueous emulsion, microemulsion, wetting powder.
Described Pesticidal combination is also containing the usual auxiliaries of preparation needed for pesticidal preparations, usual auxiliaries is the mixing of one or more in solvent, emulsifier, wetting agent, stabilizing agent, dispersant, thickener, pH adjusting agent, defoamer, antifreezing agent, packing agent etc., be known substance, various auxiliary agents conventional in pesticidal preparations, can change to some extent according to different situations, be not particularly limited.
The application of described Pesticidal combination, for preventing and treating crop pests, main water prevention rice fulgorid.
Pesticidal combination provided by the invention, usually adopts the method for spraying to use, also can adopt other operation techniques agriculturally applied as required.
Compared with prior art, the invention has the advantages that:
1, butene-fipronil and clothianidin is composite has beyond thought synergistic function, is used alone the control efficiency that improve insect and germ than single dose;
2, butene-fipronil and the clothianidin mechanism of action different, mixed can delay insect and the drug-fast generation of germ;
3, butene-fipronil and clothianidin two kinds of active ingredients composite, decrease Pesticide use amount, reduce use cost and alleviate pollution to environment.
Embodiment
In order to understand essence of the present invention better, below in conjunction with embodiment, content of the present invention is described further, but can not be considered as limitation of the present invention, content mentioned in embodiment is not limitation of the invention, material prescription is selected to suit measures to local conditions and on result without substantial impact.In these embodiments, unless otherwise indicated, all percentage is all weight percentage.
Example of formulations 1: described Pesticidal combination is suspending agent, and each component percentages is respectively:
Concrete operation step is: first mixed by other auxiliary agent, and in clipper, shear-mixed is even, then adds active ingredient, in ball crusher, grinds 2-3h, make a diameter all at below 5mm, can obtain Pesticidal combination aqueous suspension formulations of the present invention.
Example of formulations 2: described Pesticidal combination is aqueous emulsion, and each component percentages is respectively:
Concrete operation step is: first active ingredient, solvent, emulsifier are mixed, and dissolves and becomes uniform oil phase.Again part water and other auxiliary agents are mixed, dissolve and become uniform aqueous phase.Then oil phase is added aqueous phase while high-speed stirred in a kettle., slowly add water to and reach phase inversion point, carry out high speed shear afterwards, and add remaining water, shear about 30min, Pesticidal combination aqueous emulsion preparation of the present invention can be obtained.
Example of formulations 3: described Pesticidal combination is microemulsion, and each component percentages is respectively:
Concrete operation step is: active ingredient solvent and cosolvent are dissolved completely, and then adds other auxiliary agent, mixes, finally adds water, after fully stirring, can obtain Pesticidal combination microemulsion formulation of the present invention.
Example of formulations 4: described Pesticidal combination is wetting powder, and each component percentages is respectively:
Concrete operation step is: active ingredient, other auxiliary agent and filler are mixed, fully stir in stirred tank, mixes, can obtain Pesticidal combination wettable powder formulation of the present invention after airslide disintegrating mill is pulverized.
Example of formulations 5: described Pesticidal combination is water dispersible granules, and each component percentages is respectively:
Concrete operation step is: active ingredient, other auxiliary agent and filler are mixed, pulverize with micro jet, add after mediating after carrying out granulation, drying, screening in fluidized-bed granulation dryer, Pesticidal combination water-dispersible grain agent formulation of the present invention can be obtained.
In above formulation, auxiliary agent is selected from the following stated:
Solvent can be trimethylbenzene, durene, methyl naphthalene, methyl oleate, fatty acid methyl ester, loose base oil, soybean oil, biodiesel, 2-butyl acetate, dimethyl carbonate, diesel oil, white oil, machine oil, etc. in one or more.
Emulsifier can be calcium dodecyl benzene sulfonate, fatty alcohol-polyoxyethylene ether, triphenoethyl benzene phenol polyoxyethylene polyoxypropylene block polymer, dibenzyl xenyl APEO, phenethyl phenol polyethenoxy ether, castor oil polyoxyethylene ether, phenethyl fluosite APEO, phenethyl phenol polyoxyethylene polyoxypropylene ether, alkylaryl polyoxyethylene polyoxypropylene ether, phenethyl phenol formaldehyde resin APEO, Sorbitan fatty acid ester, sorbitan fatty acid ester APEO, natural fatty alcohol and ethylene oxide adduct, fatty acid and ethylene oxide condensate, one or more in polyoxyethylene fatty acid ester etc.
Wetting agent can be one or more in sodium butylnaphthalenesulfonate, lauryl sodium sulfate, aliphatic alcohol polyethenoxy (6-7) ether, aerosol-OT salt, Morwet EFW, alkylnaphthalene sulfonate etc.
Disintegrant can be one or more in sodium bicarbonate, magnesium chloride, aluminium chloride, sodium chloride, urea, ammonium sulfate, bentonite etc.
Dispersant can be the formaldehyde condensation products of methyl naphthalene sulfonic acid sodium, sodium lignin sulfonate, calcium lignosulfonate, to methoxyl group fatty acyl anilinesulfonic acid, desugar one or more in the sodium lignin sulfonate of classification, naphthalene sulfonic acid condensate sodium salt, alkyl naphthalene sulfonic acid condensation polymer sodium salt, alkylphenol polyoxyethylene formaldehyde condensation products sulfuric acid etc.
Thickener can be one or more in xanthans, aluminium-magnesium silicate, bentonite, white carbon etc.
PH adjusting agent can be one or more in ammonium hydroxide, potassium hydroxide, sodium hydroxide, hydrochloric acid, acetic acid, citric acid, phosphoric acid etc.
Stabilizing agent can be one or more in epoxidized soybean oil, epoxychloropropane, butylated hydroxy anisole, dibutyl hydroxy toluene, n-propyl gallate, ditert-butylhydro quinone etc.
Defoamer can be one or more in silicone compound, methyl alcohol, silicone oil etc.
Antifreezing agent can be one or more in glycerine, ethylene glycol, propane diols, sorbierite, polyethylene glycol etc.
Carrier can be one or more in kaolin, diatomite, bentonite, white carbon, precipitated calcium carbonate, attapulgite, clay, talcum powder, quartz sand, starch, APG etc.
Assays Example 1: butene-fipronil and clothianidin are to the indoor joint toxicity measuring test of rice hoppers.
Test medicine adopts the former medicine of 96% butene-fipronil and the former medicine of 98% clothianidin.
Rice fulgorid system picks up from Zhong Kai district, Huizhou Shi Zhen village rice fulgorid and serious paddy field occurs.
With reference to the rice-stem dipping method of the accurate NY/T1154.11-2008 of raw mark, choose two leaf one core rice seedling 15 strains, after supplying to flood 30 seconds in reagent liquid, taking-up is dried naturally, root insulation is encased with wet absorbent cotton, outsourcing preservative film, is placed in glass (Φ 200 × 30mm), and every concentration repeats for 4 times.Then with rice fulgorid 3 nymph in age of writing brush access ether light anesthesia, often pipe 20 ± 2, the white gauze of the mouth of pipe is tightened.Be disposed, be placed in observation ward.Check examination worm death condition after 72h, line item of going forward side by side, the dead criterion of examination worm counts death for contacting examination with writing brush gently worm being reactionless.
Statistical analysis is carried out, by calculating the LC of each medicament with DPS statistical analysis software
50evaluate the insecticidal activity of each medicament, and calculate the co-toxicity coefficient (CTC value) of mixture according to the abundant method of Sun Yun.
Actual measurement toxicity index (ATI)=(standard agent LC
50/ reagent agent LC
50) × 100.
In theoretical toxicity index (TTI)=A medicament toxicity index × mixture A percentage composition+B medicament toxicity index × mixture in the percentage composition of B.
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 combination effect 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 1 and Table 2, butene-fipronil and clothianidin composite in the scope of 1:5 ~ 5:1 time, co-toxicity coefficient (CTC) is all greater than 120, all shows synergistic function to Brown Planthopper and white-backed planthopper.Visible butene-fipronil and clothianidin is composite has reasonability and feasibility.
Table 1, butene-fipronil and clothianidin are to the indoor joint toxicity measuring result of brown planthopper
| Medicament title and proportioning (weight ratio) | LC 50(mg/L) | ATI | TTI | CTC |
| Butene-fipronil | 2.53 | 100.00 | - | - |
| Clothianidin | 7.92 | 31.94 | - | - |
| Butene-fipronil: clothianidin (5:1) | 2.12 | 119.34 | 88.66 | 134.61 |
| Butene-fipronil: clothianidin (3:1) | 2.39 | 105.86 | 82.99 | 127.56 |
| Butene-fipronil: clothianidin (1:1) | 2.86 | 88.46 | 65.97 | 134.09 |
| Butene-fipronil: clothianidin (1:3) | 4.02 | 62.94 | 48.96 | 128.55 |
| Butene-fipronil: clothianidin (1:5) | 4.66 | 54.29 | 43.29 | 125.42 |
The indoor joint toxicity measuring result of table 2, butene-fipronil and clothianidin Whitebacked Planthopper
| Medicament title and proportioning (weight ratio) | LC 50(mg/L) | ATI | TTI | CTC |
| Butene-fipronil | 4.11 | 100.00 | - | - |
| Clothianidin | 9.31 | 44.15 | - | - |
| Butene-fipronil: clothianidin (5:1) | 3.52 | 116.76 | 90.69 | 128.75 |
| Butene-fipronil: clothianidin (3:1) | 3.71 | 110.78 | 86.04 | 128.76 |
| Butene-fipronil: clothianidin (1:1) | 4.59 | 89.54 | 72.07 | 124.24 |
| Butene-fipronil: clothianidin (1:3) | 5.21 | 78.89 | 58.11 | 135.76 |
| Butene-fipronil: clothianidin (1:5) | 6.05 | 67.93 | 53.46 | 127.09 |
Table 3, butene-fipronil and clothianidin are to the indoor joint toxicity measuring result of small brown rice planthopper
| Medicament title and proportioning (weight ratio) | LC 50(mg/L) | ATI | TTI | CTC |
| Butene-fipronil | 2.06 | 100.00 | - | - |
| Clothianidin | 5.12 | 40.23 | - | - |
| Butene-fipronil: clothianidin (5:1) | 1.82 | 113.19 | 90.04 | 125.71 |
| Butene-fipronil: clothianidin (3:1) | 1.91 | 107.85 | 85.06 | 126.80 |
| Butene-fipronil: clothianidin (1:1) | 2.27 | 90.75 | 70.12 | 129.42 |
| Butene-fipronil: clothianidin (1:3) | 2.74 | 75.18 | 55.18 | 136.26 |
| Butene-fipronil: clothianidin (1:5) | 3.11 | 66.24 | 50.20 | 131.96 |
Assays Example 2: butene-fipronil and the composite field control effectiveness test to rice hoppers of clothianidin.
Rice fulgorid test site is positioned at Huizhou paddy field.In rice fulgorid harm Sheng phase dispenser, adopt spray-on process.Adopt 5% butene-fipronil missible oil, 30% clothianidin suspending agent medicament in contrast, 7 chemicals treatment are established in test altogether, and each process repeats for 3 times.Cornerwise five somes investigation in district insect population radix is managed throughout, often some investigation 30 strain paddy rice before dispenser.Within after dispenser 3 days, 7 days, 14 days, respectively investigate a control efficiency, record diseased plant number, calculate control efficiency, result of the test is as shown in table 4.
Table 4, butene-fipronil and clothianidin mixture prevent and treat the result of the test of rice hoppers
All to use apparently higher than the butene-fipronil missible oil single dose same period 5% preventive effect of rice fulgorid after butene-fipronil and clothianidin composite 3d, 7d, 14d as can be seen from Table 4 and 30% clothianidin suspending agent single dose uses, the preventive effect to rice fulgorid can be improved compared with illustrating that butene-fipronil and clothianidin are composite and being used alone with two kinds of single doses, after medicine, 14d preventive effect still reaches more than 80% simultaneously, illustrate to have good lasting effect, duration of test does not find that this compound drug produces poisoning to paddy rice.
Assays Example 3: rice fulgorid is tested the pesticide resistance indoor measurement of butene-fipronil clothianidin.
Worm source gathers from Huizhou.The concentration that test medicine adopts is the 50%-90% lethal dose of rice hoppers, butene-fipronil, the former medicine of clothianidin is mixed with the test medicine needed for test.Test adopts cane infusion process, consistent with the method for above-mentioned toxicity test.Reject dead examination worm after 72 hours, the examination worm stayed continues at indoor feeding, so repeatedly processes 20 generations examination worm.If the liquid only containing auxiliary agent is treated to blank.Measure each medicament tries worm half lethal concentration LC to 1st generation, the 5th generation, the 10th generation and the 20th generation
50, by contrast each treatment agent to 1st generation, the 5th generation, the 10th generation and the 20th generation examination worm LC
50evaluate examination worm to change the pesticide resistance of reagent agent.
Can find out according to table 5, table 6 and table 7, in butene-fipronil and clothianidin complex preparation process 20 generation, try the pesticide resistance that the pesticide resistance of worm population to this complex preparation is starkly lower than butene-fipronil and the generation of clothianidin single dose process 20 generation examination worm after trying worm.This test shows, butene-fipronil and clothianidin is composite can effectively delay rice hoppers and develop immunity to drugs.
Table 5, butene-fipronil and clothianidin are composite to the drug-fast determination test result of brown planthopper
Note: above table medium multiple represents that corresponding algebraically brown planthopper is to the pesticide resistance of each medicament.
The drug-fast determination test result of the composite Whitebacked Planthopper of table 6, butene-fipronil and clothianidin
Note: above table medium multiple represents that corresponding algebraically white-backed planthopper is to the pesticide resistance of each medicament.
Table 7, butene-fipronil and clothianidin are composite to the drug-fast determination test result of small brown rice planthopper
Note: above table medium multiple represents that corresponding algebraically small brown rice planthopper is to the pesticide resistance of each medicament.
In sum, the present invention adopts two kinds of active components to be the complex composition of butene-fipronil and clothianidin, compared with existing unitary agent, not only there is obvious synergistic effect, also have good insecticidal effect, the lasting period is long, to Crop securify, the generation of pest resistance to insecticide can be slowed down, be worth applying in agricultural production.
Claims (3)
1. one kind contains the Pesticidal combination of butene-fipronil and clothianidin, comprise usual auxiliaries, butene-fipronil and clothianidin, it is characterized in that: the ratio of weight and number of butene-fipronil and clothianidin is 1:5-5:1, butene-fipronil and the percentage by weight of clothianidin weight summation in Pesticidal combination are 1%-80%.
2. a kind of Pesticidal combination containing butene-fipronil and clothianidin according to claim 1, is characterized in that: its formulation is the one in suspending agent, water dispersible granules, aqueous emulsion, microemulsion, wetting powder.
3. a kind of application of Pesticidal combination in water prevention rice fulgorid containing butene-fipronil and clothianidin according to claim 1.
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Cited By (2)
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| CN106852338A (en) * | 2015-12-09 | 2017-06-16 | 陕西韦尔奇作物保护有限公司 | A kind of Pesticidal combination of the nitrile of worm containing acetyl and clothianidin |
| CN107114395A (en) * | 2017-05-26 | 2017-09-01 | 河北威远生化农药有限公司 | A kind of Pesticidal combination of efficient preventing and treating fragrant-flowered garlic maggot |
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2015
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Cited By (2)
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| CN106852338A (en) * | 2015-12-09 | 2017-06-16 | 陕西韦尔奇作物保护有限公司 | A kind of Pesticidal combination of the nitrile of worm containing acetyl and clothianidin |
| CN107114395A (en) * | 2017-05-26 | 2017-09-01 | 河北威远生化农药有限公司 | A kind of Pesticidal combination of efficient preventing and treating fragrant-flowered garlic maggot |
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