CN103583557B - Composition for preventing tea lesser leafhoppers - Google Patents
Composition for preventing tea lesser leafhoppers Download PDFInfo
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- CN103583557B CN103583557B CN201310592099.4A CN201310592099A CN103583557B CN 103583557 B CN103583557 B CN 103583557B CN 201310592099 A CN201310592099 A CN 201310592099A CN 103583557 B CN103583557 B CN 103583557B
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- cypermethrin
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Abstract
The invention belongs to the technical field of compounding of pesticides, particularly relates to a composition for preventing tea lesser leafhoppers. The composition has the active components of high-efficiency trans-cypermethrin and carbaryl, wherein the weight ratio of the high-efficiency trans-cypermethrin to the carbaryl is 5: 1 to 15: 1. The composition reduces the using amount of the pesticides, reduces the influence on environment, conforms to a green and environment-friendly trend in the future society, and has the best crop protecting effect.
Description
Technical field
The invention belongs to the technical field that agricultural chemical insecticide is composite, being specially a kind of composition for preventing and treating tea lesser leafhopper.
Background technology
beta-cypermethrin
English name: theta-cypermethrin
Molecular formula: C
22h
19c
i2nO
3
Chemical name: (S) a-cyano group-3-phenoxy benzyl (1R, 3S)-3-(2,2-dichloro dialkylene)-2,2-dimethyl cyclopropane carboxylic acid ester and (R)-a-cyano group-3-phenoxy benzyl (1S, 3R)-3-(2,2-dichloroethylene)-2,2-dimethyl cyclopropane carboxylic acid's esters
Chemical classes: pyrethroid
Physicochemical property: outward appearance is white or light yellow crystalline powder, without visible exogenous impurity.1.219g/m during proportion 25 DEG C
3; Fusing point 78-81 DEG C; Vapour pressure (20 DEG C) 2.3 × (10 negative 7) Pa; Under normal temperature, in water, solvability is extremely low, dissolves in ketone, alcohols and aromatic hydrocarbon solvent.
Action character: theta-cypermethrin belongs to third generation pyrethroid insecticides, be mainly used in the control of the agriculture and forestry injurious insects such as field crop, economic crops, vegetables, fruit tree and the domestic hygiene insect such as vegetables, mosquito class bedbug and have that virus killing is efficient, wide spectrum, to people and animals' low toxicity, effect rapidly, the feature such as holding effect is long, have and tag and stomach toxicity, ovicidal, insect is had to the effects such as antifeedant activity, but all there is no systemic action.Resistance of rainwater washing against, has special efficacy to the insect that organophosphorous pesticide has reached resistance especially.Due to use for years, in addition with the cross resistance problem of organic phosphates, carbamates, make insect generally produce very strong pesticide resistance to such medicament, preventive effect is not equal to before.
carbaryl
Chemical name: 1 naphthyl N methyl carbamate, has another name called sevin.
Type: insecticide
Physicochemical property: colourless to light brown crystals, fusing point 142 DEG C.In water, solvability (20 DEG C) 120mg/L, is soluble in polar organic solvent dimethyl formamide.25 DEG C of solvability: acetone 200 ~ 300g/L, cyclohexanone 200-250g/L, isopropyl alcohol lOOg/L, dimethylbenzene l00g/L.Stable in neutrality and weak acid environment, stable under light and heat condition.Carbaryl is first mass-produced kind in carbamate insecticide.Nineteen fifty-three is very synthesized by the J.A. cloth made of orchid thunder of U.S. combinating carbide company, Development and Production in 1956.
Carbaryl has tags and stomach poison function, and the neural cholinesterase of insect can be suppressed to make it lethal.But along with large-scale medication, after its application, resistance risk is also very high.
Summary of the invention
The object of the present invention is to provide a kind of composition for preventing and treating tea lesser leafhopper; said composition active ingredient is beta-cypermethrin and carbaryl; wherein the weight ratio of beta-cypermethrin and carbaryl is; beta-cypermethrin: carbaryl=1:1-30:1; thus decrease the consumption of agricultural chemicals; also alleviate the impact for environment, meet the trend of future society environmental protection, composition of the present invention receives best crop protection effect.
Technical scheme of the present invention is:
For preventing and treating a composition for tea lesser leafhopper, active ingredient is beta-cypermethrin and carbaryl, and wherein the weight ratio of beta-cypermethrin and carbaryl is, beta-cypermethrin: carbaryl=1:1-30:1.
As preferably, the weight ratio of beta-cypermethrin and carbaryl is, beta-cypermethrin: carbaryl=15:1-20:1.
Wherein, the total weight percentage of described active ingredient is 1 ~ 63%.
As preferably, the total weight percentage of described active ingredient is 20 ~ 45%.
The composition of beta-cypermethrin of the present invention and carbaryl, adds auxiliary agent and excipients, makes various preparation, comprises suspending agent, wetting powder, water dispersible granules, aqueous emulsion or missible oil; Be preferably water dispersible granules.
Described auxiliary agent and excipients comprise: emulsifier, solvent, defoamer, antifreeze, carrier or filler, thickener, dispersant.
Described dispersant is selected from: to one or more in methoxyl group fatty acid benzene sulfonic acid sodium salt, sodium methylene bis-naphthalene sulfonate.
The composition of beta-cypermethrin of the present invention and carbaryl, it consists of following component by weight percentage:
Beta-cypermethrin 1-60%,
Carbaryl 1-3%,
Dispersant 5-9%;
Anti-hard water agent 2-5%;
Wetting agent 5-8%;
Disintegrant 5-15%;
Filler surplus.
As preferably,
The composition of beta-cypermethrin of the present invention and carbaryl, it consists of following component by weight percentage:
Beta-cypermethrin 40%,
Carbaryl 2%,
Dispersant 8%;
Anti-hard water agent 4%;
Wetting agent 7%;
Disintegrant 10%;
Filler surplus.
Dispersant described in the present invention is: the one in polyoxyethylene polyoxypropylene block copolymer, lignin sulfonic acid sodium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt.
Wetting agent described in the present invention is: one or more in alkylsurfuric acid sodium salt, alkyl naphthalene sulfonic acid sodium salt, alkylaryl polyoxyethylene ether sulfate.
Disintegrant described in the present invention is: one or more in ammonium sulfate, anhydrous sodium sulfate, sodium carboxymethyl starch.
Anti-hard water agent described in the present invention is: the one in sodium phosphate trimer, five polyphosphate sodiums, EDETATE SODIUM salt.
Filler of the present invention is: the one in white carbon, attapulgite, talcum powder, bentonite.
The composition of beta-cypermethrin of the present invention and carbaryl, for preventing and treating snout moth's larva on paddy rice, cotton, fruit-bearing forest tea mulberry crop, rice leaf roller, rice plant skipper, cotton bollworm, pink bollworm, prodenia litura, lap leaf worm, peach fruit borer, apple slug moth, tea lesser leafhopper, tea caterpillar, mulberry geometrid (Hemerophila atrilineata), soybean pod borer, be particularly useful for preventing and treating tea lesser leafhopper.
Beneficial effect of the present invention is:
Said composition is complex insecticidal composition, compared with single product, there is the feature of binary Pesticidal combination, significantly enhance insecticidal effect, delay the generation of pest resistance to insecticide, and expand effective active control spectrum, have speed fast, the lasting period is long, consumption is low, eco-friendly feature, the more important thing is, this compounded combination has effectively resisted the problem that pest resistance produces, farthest alleviate the problem of current pest resistance to insecticide, thus decrease the consumption of agricultural chemicals, also alleviate the impact for environment, meet the trend of future society environmental protection.The control efficiency of composition of the present invention is especially good to control tea lesser leafhopper, mainly by the result of the synergistic function between each component.
Study the compound synergic of composition of the present invention, test adopts the tea lesser leafhopper in field to be used for test.
Calculate virulence equation and lethal concentration of 50 LC50 by method of least squares, calculate toxicity index and the mixed co-toxicity coefficient (CTC value) of medicament according to the abundant method of Sun Yun.
Table 1 different ratio relation is to the toxicity test result of tea lesser leafhopper
| Process | LC50（PPM） | Co-toxicity coefficient |
| Beta-cypermethrin 1: carbaryl 1 | 0.862 | 577.3 |
| Beta-cypermethrin 15: carbaryl 1 | 0.698 | 770.3 |
| Beta-cypermethrin 20: carbaryl 1 | 0.656 | 800.2 |
| Beta-cypermethrin 30: carbaryl 1 | 0.755 | 667.3 |
| Beta-cypermethrin | 21.75 | |
| Carbaryl | 1.21 |
As can be seen from Table 1, beta-cypermethrin and carbaryl composite, co-toxicity coefficient is far longer than 120, has very high synergistic effect, especially beta-cypermethrin: during carbaryl=15:1-20:1, synergistic effect is more obvious.
Embodiment
embodiment 1
42% water dispersible granules: the composition of beta-cypermethrin and carbaryl
Beta-cypermethrin 40%,
Carbaryl 2%,
Polyoxyethylene polyoxypropylene block copolymer 8%;
Sodium phosphate trimer 4%;
Alkylsurfuric acid sodium salt 7%;
Ammonium sulfate 10%;
White carbon surplus.
Preparation method is the conventional method of this area.
This embodiment medicament is applied to control tea lesser leafhopper:
Co-toxicity coefficient is: 859.6;
By 3000 times of thin up sprayings, after medicine, 5 days control efficiency are that 98.7%, 40% beta-cypermethrin suspending agent dilutes 1000 times and 2% carbaryl missible oil dilutes 500 times, use with same method respectively, after medicine 5 days, control efficiency was respectively 81.6% and 70.3%, significant difference.
embodiment 2
6% aqueous emulsion: the composition of beta-cypermethrin and carbaryl
Beta-cypermethrin 3%,
Carbaryl 3%,
Phenethyl phenol polyethenoxy polyethenoxy ether 10%,
Cyclohexanone 15%,
Propane diols 2%,
Isooctanol 2%,
Polyvinyl alcohol 0.5%,
Surplus is water.
Preparation method is the conventional method of this area.
This embodiment medicament is applied to control cotton bollworm:
Co-toxicity coefficient is: 745.2;
By 2000 times of thin up sprayings, after medicine, 5 days control efficiency are that 96.7%, 3% beta-cypermethrin suspending agent dilutes 1000 times and 3% carbaryl missible oil dilutes 500 times, use with same method respectively, after medicine 5 days, control efficiency was respectively 78.5% and 71.3%, significant difference.
embodiment 3
32% water dispersible granules: the composition of beta-cypermethrin and carbaryl
Beta-cypermethrin 30%,
Carbaryl 2%,
Lignin sulfonic acid sodium salt 9%;
Five polyphosphate sodiums 5%;
Alkyl naphthalene sulfonic acid sodium salt 5%;
Anhydrous sodium sulfate 5%;
Attapulgite surplus.
Preparation method is the conventional method of this area.
This embodiment medicament is applied to control prodenia litura:
Co-toxicity coefficient is: 767.8;
By 3000 times of thin up sprayings, after medicine, 5 days control efficiency are that 97.20%, 30% beta-cypermethrin suspending agent dilutes 2000 times and 2% carbaryl missible oil dilutes 200 times, use with same method respectively, after medicine 5 days, control efficiency was respectively 77.5% and 70.3%, significant difference.
Claims (3)
1. for preventing and treating a composition for tea lesser leafhopper, 42% water dispersible granules: the composition of beta-cypermethrin and carbaryl
Beta-cypermethrin 40%,
Carbaryl 2%,
Polyoxyethylene polyoxypropylene block copolymer 8%;
Sodium phosphate trimer 4%;
Alkylsurfuric acid sodium salt 7%;
Ammonium sulfate 10%;
White carbon surplus.
2. for preventing and treating a composition for tea lesser leafhopper, 6% aqueous emulsion: the composition of beta-cypermethrin and carbaryl
Beta-cypermethrin 3%,
Carbaryl 3%,
Phenethyl phenol polyethenoxy polyethenoxy ether 10%,
Cyclohexanone 15%,
Propane diols 2%,
Isooctanol 2%,
Polyvinyl alcohol 0.5%,
Surplus is water.
3. for preventing and treating a composition for tea lesser leafhopper, 32% water dispersible granules: the composition of beta-cypermethrin and carbaryl
Beta-cypermethrin 30%,
Carbaryl 2%,
Lignin sulfonic acid sodium salt 9%;
Five polyphosphate sodiums 5%;
Alkyl naphthalene sulfonic acid sodium salt 5%;
Anhydrous sodium sulfate 5%;
Attapulgite surplus.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310592099.4A CN103583557B (en) | 2013-11-22 | 2013-11-22 | Composition for preventing tea lesser leafhoppers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310592099.4A CN103583557B (en) | 2013-11-22 | 2013-11-22 | Composition for preventing tea lesser leafhoppers |
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|---|---|
| CN103583557A CN103583557A (en) | 2014-02-19 |
| CN103583557B true CN103583557B (en) | 2015-07-15 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101796949A (en) * | 2009-12-31 | 2010-08-11 | 青岛星牌作物科学有限公司 | Plant insecticidal protective agent and application thereof |
| CN102458126A (en) * | 2009-04-28 | 2012-05-16 | 巴斯夫公司 | Foamable pesticide compositions |
| CN102905528A (en) * | 2010-05-28 | 2013-01-30 | 巴斯夫欧洲公司 | Pesticidal mixtures |
-
2013
- 2013-11-22 CN CN201310592099.4A patent/CN103583557B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102458126A (en) * | 2009-04-28 | 2012-05-16 | 巴斯夫公司 | Foamable pesticide compositions |
| CN101796949A (en) * | 2009-12-31 | 2010-08-11 | 青岛星牌作物科学有限公司 | Plant insecticidal protective agent and application thereof |
| CN102905528A (en) * | 2010-05-28 | 2013-01-30 | 巴斯夫欧洲公司 | Pesticidal mixtures |
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| CN103583557A (en) | 2014-02-19 |
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Owner name: SHANDONG ZHONGXIN KE NONG BIOTECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JINAN CAVIN BIOTECHNOLOGY CO., LTD. Effective date: 20150617 |
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Inventor after: Wang Shihui Inventor before: Chi Zonglei Inventor before: Zang Weigong |
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Effective date of registration: 20150617 Address after: Suliuzhuang town 250320 Shandong city of Dezhou province Xiajin County village Applicant after: SHANDONG ZHONGXIN KENONG BIOLOGICAL TECHNOLOGY Co.,Ltd. Address before: Watson Road, Licheng District 250100 in Shandong city of Ji'nan province No. 389 building 401. Applicant before: JINAN CAVIN BIOTECHNOLOGY Co.,Ltd. |
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Denomination of invention: A composition for preventing and controlling tea leafhopper Effective date of registration: 20221207 Granted publication date: 20150715 Pledgee: Shandong Xiajin Rural Commercial Bank Co.,Ltd. Pledgor: SHANDONG ZHONGXIN KENONG BIOLOGICAL TECHNOLOGY Co.,Ltd. Registration number: Y2022980025713 |