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Compound pesticide containing etofenprox and pymetrozine

A technology of pymetrozine and etofenprox, which is applied in the field of chemical pest control, can solve the problems of rice planthoppers not being pesticides, fast action of pests, contact killing and stomach poisoning, etc., so as to reduce the dosage of pesticides, kill insects quickly, delay The effect of drug resistance

Inactive Publication Date: 2010-06-16
JIANGSU LVDUN PLANT PROTECTION AGROCHEM EXPERIMENTAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a kind of pyrethroid insecticide with knockdown effect, Etoproxil has contact killing and stomach poisoning effects, and it acts quickly on pests, but its duration is not long
Neither of them is ideal for controlling rice planthopper alone

Method used

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  • Compound pesticide containing etofenprox and pymetrozine
  • Compound pesticide containing etofenprox and pymetrozine
  • Compound pesticide containing etofenprox and pymetrozine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～ Embodiment 5

[0021] The two single agents were mixed according to the ratio of etofenproxil and pymetrozine (active ingredients) 1:1, 1:2, 1:4, 1:8, 1:16 to form a binary compound as an example One to five embodiments, carry out indoor bioassay synergism. The test agents were etofenprox (produced by Jiangsu Yangnong Chemical Group Co., Ltd.), and pymetrozine (produced by Jiangsu Anbang Electrochemical Co., Ltd.); the test insects were 2-3 instar nymphs of brown planthopper. Take a certain amount of etofenproxil and pymetrozine former medicine, make 1000ppm mother liquor with acetone and emulsifier Triton X100 (0.1%), and two kinds of single agents are respectively according to the ratio of above-mentioned embodiment 1~embodiment 5 Make binary compound agent, 1000ppm etofenprox mother liquor, 1000ppm pymetrozine mother liquor and dilute 5 concentrations with water respectively, use clear water as blank control; Take it out after 15 seconds, absorb the excess liquid with absorbent paper or ...

Embodiment 6

[0026] Prepare 15% etofenprox-pymetrozine wettable powder, the weight ratio of each component is:

[0027] Etofenprox (active ingredient) 5%

[0028] Pymetrozine (active ingredient) 10%

[0029] Xylene 10%

[0030] Farm Milk 2201 8%

[0031] Sodium dodecylbenzenesulfonate 1%

[0032] NNO 3%

[0033] Silica 10%

[0034] Sodium lignosulfonate 4%

[0035] Kaolin balance

[0036] First dissolve 5% of the total weight of etofenprox with 10% xylene, add 8% Nongru 2201, and then absorb with 10% white carbon black, then mix with 10% of the total weight of pymetrozine, 1% of ten Sodium dialkylbenzene sulfonate, 4% sodium lignosulfonate, 3% NNO and the rest of kaolin are mixed, after being jet-pulverized, mixed and stirred in a conical mixer for 30 minutes, and 15% Etoproxil can be prepared · Pymetrozine wettable powder.

Embodiment 7

[0038] Prepare 16% etofenprox-pymetrozine wettable powder, the weight ratio of each component is:

[0039] Etofenprox (active ingredient) 8% (weight, the same below)

[0040] Pymetrozine (active ingredient) 8%

[0041] Xylene 10%

[0042] Farm Milk 2201 8%

[0043] Sodium dodecylbenzenesulfonate 1%

[0044] NNO 3%

[0045] Silica 12%

[0046] Sodium lignosulfonate 4%

[0047] Kaolin balance

[0048]First dissolve 8% of the total weight of etofenprox with 10% xylene, add 8% Nongru 2201, and then absorb it with 12% white carbon black, then mix it with 8% of the total weight of pymetrozine, 1% of ten Sodium dialkylbenzene sulfonate, 4% sodium lignosulfonate, 3% NNO and the remainder of kaolin are mixed, and after being jet-milled, they are mixed and stirred in a cone mixer for 30 minutes to prepare 16% etofenproxil · Pymetrozine wettable powder.

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Abstract

The invention belongs to the technical field of chemical prevention and control of pests, in particular to a compound pesticide containing etofenprox and pymetrozine, which is used for preventing and controlling rice planthopper. The effective components of the pesticide are etofenprox and pymetrozine, and the weight ratio of the two components in the pesticide is 1:1 to 1:16. Compared with the common pesticide of rice planthopper, the pesticide of the invention has the following advantages that: 1, compared with the single preparation, the compound pesticide has obvious synergetic effect on the rice planthopper and can obviously improve the preventing-controlling effect; 2, the compound pesticide can replace highly poisonous pesticides(methamidophos and the like), the consumption of the pesticide is reduced, and the environmental pollution and the residue of pesticides are reduced; 3, the compound pesticide can delay the drug resistance of the rice planthopper on the single pesticide; and 4, the compound pesticide is quick in disinfection speed and long in duration, and compared with the single pesticide, the compound pesticide can lower cost.

Description

technical field [0001] The invention belongs to the technical field of pest chemical control, and relates to a compound insecticide containing etofenprox and pymetrozine for controlling rice planthopper. Background technique [0002] Rice planthopper is a kind of rice pest with strong migratory ability (except SBPH) and extremely fast reproduction speed. It damages rice and causes the base of rice clusters to be dark brown, the heading is abnormal, and the thousand-grain weight is reduced. In severe cases, the whole plant will wither, causing rice Significantly reduce production, but also can spread virus and cause viral diseases, it is one of the key pests of rice control. For a long time, the control of rice planthoppers has mainly relied on imidacloprid, buprofezin, organophosphorus and their compound agents. The use of highly toxic organophosphorus pesticides has been banned. Obvious drug resistance has been produced, and the control effect has declined sharply. The dos...

Claims

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Application Information

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IPC IPC(8): A01N43/707A01N31/14A01P7/04
Inventor 束兆林庄义庆赵来成缪康张文涛王莉莉张建华庄桂华费子华陈源束华平吴祥
Owner JIANGSU LVDUN PLANT PROTECTION AGROCHEM EXPERIMENTAL
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