CN1025543C - Efficient pesticide emulsion - Google Patents
Efficient pesticide emulsion Download PDFInfo
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- CN1025543C CN1025543C CN 92109340 CN92109340A CN1025543C CN 1025543 C CN1025543 C CN 1025543C CN 92109340 CN92109340 CN 92109340 CN 92109340 A CN92109340 A CN 92109340A CN 1025543 C CN1025543 C CN 1025543C
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- efficient pesticide
- efficient
- pesticide emulsion
- missible oil
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Abstract
The present invention relates to efficient pesticide emulsion which is prepared by compounding efficient cypermethrin and malathion as effective ingredients and emulsifying agent and solvent as auxiliary ingredients. The efficient pesticide emulsion is an agricultural chemical compounding preparation which has the advantages of simple and convenient synthesis technology, high disinsection effect, broad spectrum, low toxicity, low cost, easy raw material obtainment and no environmental pollution. The efficient pesticide emulsion has synergetic preventing and treating effect on agricultural pests, and the efficient pesticide emulsion can alleviate the development speed of drug resistance to agricultural chemicals. At present, the present invention is an economic and efficient pesticide for preventing and treating agricultural pests.
Description
The present invention relates to a kind of is active ingredient with beta-cypermethrin, malathion, the efficient pesticide emulsion that cooperates emulsifier and solvent complex to form.Efficient pesticide emulsion is that a kind of synthesis technique is easy, insecticidal effect is high, wide spectrum, low toxicity, cost are low, raw material is easy to get the compounded preparation of pesticide of non-environmental-pollution.It has the preventive and therapeutic effect of synergy to the various agricultural insect, can slow down the development speed of pesticide resistance, is to prevent and treat the cost-effective insecticide of pest at present.
Various synthetic pesticides both domestic and external through after a large amount of uses of certain time limit, just produce the different pest resistance to insecticide of degree, thereby have reduced control efficiency at present.Synthetic pesticide and other agriculture chemical compounding, can reduce the dosage of single medicament, reasonably composite also can filter out have potentiating pesticidal, insect is planted by the Zhiduo County of holding concurrently, the quick-acting insecticide of imitating excellent properties such as combination of holding; When reducing poisoning, toxicity, also can reduce cost, obtain certain economic benefits.Therefore external many countries have developed a large amount of Pesticidal compositions, and some bigger insecticide factories of China also develop and produce multiple complex preparation in succession, all obtain remarkable result.
Complex preparation specific to two kinds of medicaments of cypermethrin and malathion, some reports are also early arranged in the world, as Japanese Pesticide Science meeting will 9(1), (1.5: 1-1: 1.5) test has synergistic effect for resistance rice leafhopper drop method 67-72(1984) to disclose malathion-sumicidin acetone solution, and test with pulvis, ratio is 1-5: 1 has remarkable synergistic effect.European patent application 15598, (1980) disclose phoxim-cybermethrin mixed preparation has synergistic effect to cotton spider mites.
Efficient pesticide emulsion of the present invention is by the composite insecticidal/acaricidal agent that forms of beta-cypermethrin and malathion.The beta-cypermethrin that adopts among the present invention is (R, S)-and cyano group-(3-benzyloxy phenoxy base)-3-(2, the 2-dichloroethylene)-2,2-dimethyl cyclopropane carboxylic acid ester, the former medicine of cypermethrin is a Britain Shell Co. Ltd product, is beta-cypermethrin through the transposition of Tianjin insecticide factory.The malathion is 0,0-dimethyl-S-(1,2-diethyl hydroxyl) ethyl two sulfo-phosphide esters.The mixed proportion of beta-cypermethrin and malathion is 1: 20-70.The insecticidal active ingredient that in missible oil of the present invention, contains the mixing of 5-80% usually, the agricultural emulsifier commonly used of 0.5-15% and the solvent of surplus.The emulsifier commonly used and the solvent of various preparation missible oil all are suitable in the present invention.
The various compositions of preparation missible oil of the present invention are evenly mixed according to a conventional method, promptly can be made into the efficient pesticide emulsion of outward appearance orange yellow or pale brown look homogeneous liquid.Can adopt beta-cypermethrin and malathion active compound to mix, transfer breast preparation missible oil of the present invention again; Can adopt r and malathion missible oil mixed preparing missible oil of the present invention.The physicochemical property of missible oil of the present invention and various indexs all meet the national standard of relevant emulsifiable concentrates for agricultural chemicals.
The concrete prescription and the test of pesticide effectiveness of missible oil of the present invention are as described below.Following concrete preparation and drug effect embodiment only are described in detail the present invention, do not limit the present invention.
Except as otherwise noted, the percentage among the present invention all is weight percentage.
Example of formulations one
Adopt the missible oil of active ingredient directly to prepare efficient pesticide emulsion.
Table one, prescription one, two, three
Dosing (%)
Fill a prescription two the prescription three
5% r 16.67 16.67 20
50% malathion missible oil 83.33
45% malathion missible oil 83.33 80
Active constituent content 42.5 38.3 37
Beta-cypermethrin: malathion 1: 50 1: 45 1: 36
Example of formulations two:
Four: 37% efficient pesticide emulsions of filling a prescription
Adopt the former medicine of active ingredient to prepare
0.8 part of beta-cypermethrin
36.2 parts of malathions
0,201 10 part of emulsifier
Solvent xylene to 100 part
Drug effect embodiment 1: indoor synergy is measured
At indoor measurement single agent and mixture virulence to the black aphid of sword bean, to estimate synergistic effect.5% r is the transposition of Tianjin insecticide factory, the processing of Shunyi, Beijing insecticide factory, and 50% malathion missible oil is produced by Lanxi, Zhejiang insecticide factory.Mixture adopts prescription one missible oil.Adopt back the black aphid of sword bean on the sword bean of not dispenser control in the field as the examination worm, infusion process is measured the lethal concentration of 50 routinely.Two single agent and mixture are respectively established 5-9 variable concentrations, each concentration triplicate, and medicament dilutes with clear water, the black aphid of sword bean is placed in the soup together with the host soaked one minute, inhales the unnecessary soup that goes the host, dries with blotting paper.One-tenth aphid after then soup being soaked is shaken off on blank sheet of paper from the host lightly, chooses one by one in the vial with little writing brush, adds the aphid feed in the bottle and keeps suitable humidity, seals with the multilayer gauze at last.Treat that medicine soaked back five hours, check the dead borer population of each concentration and the borer population of living with hand magnifier.All inactive (comprising feeler and foot) is by death.
Calculate lethality, carry out regression analysis, obtain LC50 and fiducial limit, regression equation and correlation coefficient, utilize the abundant co-toxicity coefficient method of Sun Yun to calculate co-toxicity coefficient with concentration logarithm and lethality probability value (table 2).See table two for details.
(table two is seen the literary composition back)
The result of Toxicity Determination shows that the co-toxicity coefficient of efficient pesticide emulsion is 1870.3, and obviously greater than 100, synergy is very obvious.
When the actual pest control in field, can be effective dose with the efficient pesticide emulsion dilute with water, the various insects of spraying control.Efficient pesticide emulsion through the Chinese Academy of Sciences successively in Guangxi, ground such as Yunnan, Fujian, Beijing, Shandong, Henan, Hebei carry out extensive field experiment, and more than ten kinds of agricultural fruit and vegetable insects have been carried out the control efficiency detection.Find that efficient pesticide emulsion control wheat red spider preventive effect reaches 96.86%-100%, control wheat soil pest preventive effect reaches 98%-100%; Control cotten aphid, cotton sandfly worm preventive effect reach 89.5%-92.6%.All reach 90-100% with preventive effects such as 2000 times of aqueous solution controls of efficient pesticide emulsion citrus aphid, rice fulgorids; Preventive effects such as the two spotted spider mite on the vegetables, vegetable aphid are all reached 98.5-100%.Be equivalent to the control efficiency of 4000 times of 5% beta-cypermethrins with the effect of 4000 times of water liquid of efficient pesticide emulsion biocontrol of mango poisonous insect, 2000 times of water liquid controls of efficient pesticide emulsion citrus scale insect effect reaches 100%.
The application's efficient pesticide emulsion economical and efficient, low toxicity generally are subjected to the welcome of vast farmers in the control of insect on agricultural.
Table two, efficient pesticide emulsion are to the black aphid toxicity test result of sword bean
LC50 and 95% fiducial limit (ppm) regression equation (r=a+bx) correlation coefficient co-toxicity coefficient
5% beta-cypermethrin 0.097(0.0957-0.09829) 8.4093+1.1320x 0.9447
50% malathion 26.596(22.92-30.86) 6.5947+2.7746x 0.9537
The chlorine horse soluble oil 0.22(0.2145-0.22559 that fills a prescription) 9.1486+1.5608x 0.9170 1870.3
Claims (4)
1, a kind of efficient pesticide emulsion of potentiating pesticidal is characterized in that containing in the missible oil beta-cypermethrin, and the malathion is an active ingredient, and its mixing ratio is 1: 20-70.
2,, it is characterized in that containing in the missible oil agricultural emulsifier of the mixed insecticidal active ingredient 0.5-15% of 5-80%, the solvent of surplus (percentage by weight) according to the missible oil of claim 1.
3, according to claim 1, the preparation method of 2 missible oil is characterized in that above-mentioned each composition is evenly mixed, and is prepared into single-phase missible oil.
4, according to claim 1, the purposes of 2 missible oil is characterized in that the efficient pesticide emulsion with effective dose, the control pest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92109340 CN1025543C (en) | 1992-08-14 | 1992-08-14 | Efficient pesticide emulsion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92109340 CN1025543C (en) | 1992-08-14 | 1992-08-14 | Efficient pesticide emulsion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1068243A CN1068243A (en) | 1993-01-27 |
| CN1025543C true CN1025543C (en) | 1994-08-03 |
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ID=4944087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92109340 Expired - Fee Related CN1025543C (en) | 1992-08-14 | 1992-08-14 | Efficient pesticide emulsion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1025543C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103651541B (en) * | 2013-12-06 | 2015-10-28 | 顾祥茂 | A kind of water dispersible granules and application containing malathion |
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1992
- 1992-08-14 CN CN 92109340 patent/CN1025543C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1068243A (en) | 1993-01-27 |
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