CN103651529A - Suspoemulsion containing theta-cypermethrin and dimehypo and application of suspoemulsion - Google Patents
Suspoemulsion containing theta-cypermethrin and dimehypo and application of suspoemulsion Download PDFInfo
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- CN103651529A CN103651529A CN201310667089.2A CN201310667089A CN103651529A CN 103651529 A CN103651529 A CN 103651529A CN 201310667089 A CN201310667089 A CN 201310667089A CN 103651529 A CN103651529 A CN 103651529A
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- dimehypo
- cypermethrin
- beta
- suspension emulsion
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Abstract
The invention belongs to the technical field of compounding pesticides, and specifically relates to a suspoemulsion containing theta-cypermethrin and dimehypo and an application of suspoemulsion. The effective components of the suspoemulsion are theta-cypermethrin and dimehypo in a weight ratio of 1:1-20:1. The suspoemulsion containing theta-cypermethrin and dimehypo relieves the problem of existing pest resistance to insecticide to the maximum extent, so that the use level of pesticides is reduced, and the influence on the environment is further relieved, thereby satisfying the trend of environmental protection of the future society. The composition provided by the invention has the optimal crop protective effect.
Description
Technical field
The invention belongs to the composite technical field of agricultural chemical insecticide, be specially suspension emulsion and the application of a kind of beta-cypermethrin and dimehypo.
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 ester
Chemical classes: pyrethroid
Physicochemical property: outward appearance is white or light yellow crystalline powder, without visible exogenous impurity.1.219g/m during 25 ℃ of proportions
3; Fusing point 78-81 ℃; Vapour pressure (20 ℃) 2.3 * (10 negative 7) Pa; Under normal temperature, in water, solvability is extremely low, dissolves in ketone, alcohols and aromatic hydrocarbon solvent.
Effect feature: theta-cypermethrin is to belong to third generation pyrethroid insecticides, be mainly used in the control of the domestic hygiene insects such as the agriculture and forestry injurious insects such as field crop, economic crops, vegetables, fruit tree and 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 to such medicament, produce very strong pesticide resistance, preventive effect is not equal to before.
Dimehypo
English name bisultap
Chemical name 2-dimethylamino-1, the two thiosulfonic acid sodium base propane of 3-
Molecular formula C
5h
11o
6nS
4na
2
Outward appearance and proterties sterling are white crystals, and industrial goods are dark brown or the brownish red list aqueous solution, have off-odor, easily the moisture absorption
Molecular weight 355.37
169～171 ℃/decomposition (sterling) of fusing point, 142～143 ℃ (industrial goods)
Dissolubility is soluble in water, dissolves in 95% hot ethanol and absolute ethyl alcohol, and the organic solvent such as methyl alcohol, dimethyl formamide, dimethyl sulfoxide (DMSO), is slightly soluble in acetone, is insoluble to ethanol ethyl ester and ether
Density relative density 1.30～1.35
Stability is stable under neutrality and meta-alkali condition, under acidity, can decompose, also stable at normal temperatures
Dimehypo, nereistoxin insecticides, is a kind of never poison, insect shows blunt, slow in action, to lose infringement crop ability, stasi after contacting and take food medicament, polypide is softened, paralyses until death.Dimehypo has very strong systemic action, can be absorbed and conduction by the leaf of crop, root etc.Insect is had to stronger tagging and stomach poison function, and have certain fumigation action concurrently.
But its action effect is also very single, after large-scale application, resistance risk is also very high.
Summary of the invention
The object of the present invention is to provide a kind of suspension emulsion and application thereof that has beta-cypermethrin and dimehypo; said composition active ingredient is beta-cypermethrin and dimehypo; wherein the weight ratio of beta-cypermethrin and dimehypo is; beta-cypermethrin: dimehypo=1:1-20:1; farthest alleviated the problem of current pest resistance to insecticide; thereby reduced the consumption of agricultural chemicals; also alleviated the impact for environment; the trend that meets future society environmental protection, composition of the present invention is received best crop protection effect.
Technical scheme of the present invention is:
A suspension emulsion for beta-cypermethrin and dimehypo, active ingredient is beta-cypermethrin and dimehypo, wherein the weight ratio of beta-cypermethrin and dimehypo is, beta-cypermethrin: dimehypo=1:1-20:1.
As preferably, the weight ratio of beta-cypermethrin and dimehypo is, beta-cypermethrin: dimehypo=5:1-10:1.
The suspension emulsion of beta-cypermethrin of the present invention and dimehypo, it consists of following component by weight percentage:
As preferably, the suspension emulsion of beta-cypermethrin of the present invention and dimehypo, it consists of following component by weight percentage:
As further preferred, the suspension emulsion of beta-cypermethrin of the present invention and dimehypo, it consists of following component by weight percentage:
Wherein, the total weight percentage of described active ingredient is 20～50%.
The suspension emulsion of beta-cypermethrin of the present invention and dimehypo, for preventing and treating the insect of the crops such as paddy rice, vegetables, fruit tree, cotton and wheat, as tea geometrid, the thin moth of tea and smaller green leaf hopper, phyllocnistis citrella stainton, cabbage caterpillar, diamond-back moth, Seedling of Sugarcane Under Water Stress bar snout moth's larva, pink rice borer, be particularly useful for preventing and treating phyllocnistis citrella stainton.
Beneficial effect of the present invention is:
Said composition is compound suspend emulsion composition, compare with single product, the feature with binary composition, strengthened significantly effect, delay the generation of pest resistance to insecticide, and expanded effective active control spectrum, and thering is 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 alleviated the problem of current pest resistance to insecticide, thereby reduced the consumption of agricultural chemicals, also alleviated the impact for environment, met the trend of future society environmental protection.The control efficiency of composition of the present invention is especially good to control phyllocnistis citrella stainton, is mainly by the result of the synergistic function between each component.
To the compound synergic research of composition of the present invention, test adopts phyllocnistis citrella stainton for test.
Concrete grammar is: according to the abundant method of Sun Yun, calculate the toxicity index of medicament and mixed co-toxicity coefficient (CTC value).
The toxicity test result of the different proportion relations of table 1 to phyllocnistis citrella stainton
| Process | Co-toxicity coefficient |
| Beta-cypermethrin 1: dimehypo 1 | 192.3 |
| Beta-cypermethrin 5: dimehypo 1 | 245.7 |
| Beta-cypermethrin 10: dimehypo 1 | 202.7 |
| Beta-cypermethrin 15: dimehypo 1 | 187.3 |
| Beta-cypermethrin 20: dimehypo 1 | 158.1 |
| Beta-cypermethrin | ? |
| Dimehypo | ? |
As can be seen from Table 1, beta-cypermethrin and dimehypo composite, has very high synergistic effect, especially beta-cypermethrin: during dimehypo=5:1-10:1, synergistic effect is more obvious, and especially detailed to the effect of phyllocnistis citrella stainton.
Embodiment
Below by specific embodiment, technical scheme of the present invention is described in detail.
Embodiment 1
The composition of 36% beta-cypermethrin and dimehypo
Preparation method is the conventional method of this area.
This embodiment medicament is applied to prevent and treat diamond-back moth:
Co-toxicity coefficient is: 236.4;
By 1000 times of thin up sprayings, after medicine, 7 days control efficiency are that 97.8%, 30% 600 times of beta-cypermethrin suspending agent dilutions and 6% dimehypo missible oil dilute 200 times, with same method, use respectively, after medicine 7 days, control efficiency was respectively 80.1% and 70.5%, significant difference.
Embodiment 2
The composition of 44% beta-cypermethrin and dimehypo
Preparation method is the conventional method of this area.
This embodiment medicament is applied to prevent and treat pink rice borer:
Co-toxicity coefficient is: 203.9;
By 1000 times of thin up sprayings, after medicine, 7 days control efficiency are that 97.7%, 40% 800 times of beta-cypermethrin suspending agent dilutions and 4% dimehypo missible oil dilute 300 times, with same method, use respectively, after medicine 7 days, control efficiency was respectively 75.5% and 63.8%, significant difference.
Embodiment 3
The composition of 24% beta-cypermethrin and dimehypo
Preparation method is the conventional method of this area.
This embodiment medicament is applied to prevent and treat phyllocnistis citrella stainton:
Co-toxicity coefficient is: 305.1;
By 1000 times of thin up sprayings, after medicine, 7 days control efficiency are that 99.3%, 21% 2000 times of beta-cypermethrin suspending agent dilutions and 3% dimehypo missible oil dilute 1000 times, with same method, use respectively, after medicine 7 days, control efficiency was respectively 76.5% and 64.1%, significant difference.
Claims (8)
1. a suspension emulsion for beta-cypermethrin and dimehypo, active ingredient is beta-cypermethrin and dimehypo, wherein the weight ratio of beta-cypermethrin and dimehypo is, beta-cypermethrin: dimehypo=1:1-20:1.
2. the suspension emulsion of beta-cypermethrin according to claim 1 and dimehypo, is characterized in that, the weight ratio of beta-cypermethrin and dimehypo is, beta-cypermethrin: dimehypo=5:1-10:1.
3. the suspension emulsion of beta-cypermethrin according to claim 1 and dimehypo, is characterized in that, it consists of following component by weight percentage:
4. the suspension emulsion of beta-cypermethrin according to claim 3 and dimehypo, is characterized in that, it consists of following component by weight percentage:
5. the suspension emulsion of beta-cypermethrin according to claim 4 and dimehypo, is characterized in that, it consists of following component by weight percentage:
6. according to the beta-cypermethrin described in the arbitrary claim of claim 1-5 and the suspension emulsion of dimehypo, it is characterized in that, the total weight percentage of described active ingredient is 20～50%.
7. according to the beta-cypermethrin described in the arbitrary claim of claim 6 and the suspension emulsion of dimehypo, for preventing and treating the insect of the crops such as paddy rice, vegetables, fruit tree, cotton and wheat, as tea geometrid, the thin moth of tea and smaller green leaf hopper, phyllocnistis citrella stainton, cabbage caterpillar, diamond-back moth, Seedling of Sugarcane Under Water Stress bar snout moth's larva, pink rice borer.
8. the suspension emulsion of beta-cypermethrin according to claim 7 and dimehypo, for preventing and treating phyllocnistis citrella stainton.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310667089.2A CN103651529A (en) | 2013-12-10 | 2013-12-10 | Suspoemulsion containing theta-cypermethrin and dimehypo and application of suspoemulsion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310667089.2A CN103651529A (en) | 2013-12-10 | 2013-12-10 | Suspoemulsion containing theta-cypermethrin and dimehypo and application of suspoemulsion |
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|---|---|
| CN103651529A true CN103651529A (en) | 2014-03-26 |
Family
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|---|---|---|---|
| CN201310667089.2A Pending CN103651529A (en) | 2013-12-10 | 2013-12-10 | Suspoemulsion containing theta-cypermethrin and dimehypo and application of suspoemulsion |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164327A (en) * | 1997-03-31 | 1997-11-12 | 中国农业科学院植物保护研究所 | High-efficiency cypermethrin and Shachongdan combined insecticidal preparation |
| CN1531847A (en) * | 2003-03-25 | 2004-09-29 | 祝贤清 | Effervescent granule disintegrating agent |
| CN1555699A (en) * | 2004-01-08 | 2004-12-22 | 金中北 | Aqueous emulsion green pesticide and its formula design and preparation method |
| CN1717997A (en) * | 2005-07-26 | 2006-01-11 | 江苏溧化化学有限公司 | Method for preparing complex microemulsion contg. bisultap mother liquor and high efficiency cypermethrin |
| JP2008127334A (en) * | 2006-11-21 | 2008-06-05 | Mitsui Chemicals Inc | Method for preventing disease and insect damage of plant |
| US20100146840A1 (en) * | 2008-12-13 | 2010-06-17 | Troutman Steven L | Plug-in device for attracting and exterminating pests |
| CN102334510A (en) * | 2011-11-09 | 2012-02-01 | 中化蓝天集团有限公司 | Suspoemulsion compounded from Pymetrozine and Chlorpyrifos |
| CN103283761A (en) * | 2012-02-27 | 2013-09-11 | 陕西韦尔奇作物保护有限公司 | Ethiprole-containing pesticidal composition |
-
2013
- 2013-12-10 CN CN201310667089.2A patent/CN103651529A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164327A (en) * | 1997-03-31 | 1997-11-12 | 中国农业科学院植物保护研究所 | High-efficiency cypermethrin and Shachongdan combined insecticidal preparation |
| CN1531847A (en) * | 2003-03-25 | 2004-09-29 | 祝贤清 | Effervescent granule disintegrating agent |
| CN1555699A (en) * | 2004-01-08 | 2004-12-22 | 金中北 | Aqueous emulsion green pesticide and its formula design and preparation method |
| CN1717997A (en) * | 2005-07-26 | 2006-01-11 | 江苏溧化化学有限公司 | Method for preparing complex microemulsion contg. bisultap mother liquor and high efficiency cypermethrin |
| JP2008127334A (en) * | 2006-11-21 | 2008-06-05 | Mitsui Chemicals Inc | Method for preventing disease and insect damage of plant |
| US20100146840A1 (en) * | 2008-12-13 | 2010-06-17 | Troutman Steven L | Plug-in device for attracting and exterminating pests |
| CN102334510A (en) * | 2011-11-09 | 2012-02-01 | 中化蓝天集团有限公司 | Suspoemulsion compounded from Pymetrozine and Chlorpyrifos |
| CN103283761A (en) * | 2012-02-27 | 2013-09-11 | 陕西韦尔奇作物保护有限公司 | Ethiprole-containing pesticidal composition |
Non-Patent Citations (2)
| Title |
|---|
| 李正名: "某些生物调控物质的化学研究", 《自然科学进展》, vol. 5, no. 3, 31 May 1995 (1995-05-31), pages 269 - 2 * |
| 毕富春 等: "南开菊酯和顺式氯氰菊酯杀虫活性比较", 《植物保护》, no. 4, 29 August 1993 (1993-08-29), pages 43 * |
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Application publication date: 20140326 |