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Compound pesticide for preventing and treating ricestem borer, rice leaf roller

A technology of rice leaf roller and rice stem borer, which is applied in the field of pesticides, can solve the problems of reducing the control effect, achieve the effects of delaying resistance and promoting yield increase

Inactive Publication Date: 2009-03-18
吴中兴
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] With the extensive use of pesticides in recent years, the resistance of the rice stem borer and the rice leaf roller has been greatly enhanced, and the control effect of the pesticides that have worked well in the past is now reduced.

Method used

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  • Compound pesticide for preventing and treating ricestem borer, rice leaf roller
  • Compound pesticide for preventing and treating ricestem borer, rice leaf roller
  • Compound pesticide for preventing and treating ricestem borer, rice leaf roller

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Abamectin 20kg, profenofos 350kg, dissolved in xylene 530kg, 40kg 2210, 50kg 500 # , 10kg of azone, stirred evenly to get 37% abamectin · profenofos emulsifiable concentrate.

Embodiment 2

[0025] With Abamectin 20kg, profenofos 200kg, dissolve in toluene 100kg, then add 40kg emulsifier 700 # , 80kg emulsifying agent 602, penetrating agent JFC 10kg stirs and obtains oily phase, under shearing, oily phase is added in 550kg water, makes it to form milky white homogeneous liquid, promptly gets 22% avermectin profenofos emulsion in water.

Embodiment 3

[0027] Abamectin 20kg, profenofos 500kg, add sodium dodecylbenzene sulfonate 100kg, calcium lignosulfonate 40kg, BX pull open powder 20kg, kaolin 320kg, mix and get 52% of the present invention through jet crushing Profenofos-abamectin wettable powder.

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PUM

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Abstract

The invention provides a combined pesticide for preventing and controlling rice stem borer and rice leaf roller, which is mainly made from abamectin, profenofos, an emulsifying agent, solvent and a penetrating agent. Various ingredients are mixed evenly in preparation. The two compounds of abamectin and profenofos of the invention have obvious synergistic action after being combined. The combined pesticide of the invention can prevent and control rice stem borer, rice leaf roller and other pests to rice and can delay the resistance of pest against the individual ingredient in the prescription; therefore, the invention has a comparatively good action on increasing the rice production.

Description

technical field [0001] The invention relates to a pesticide, in particular to a pesticide for preventing and treating rice stem borer and rice leaf roller. Background technique [0002] Chilo suppressalis Walker (Chilo suppressalis Walker) belongs to Lepidoptera and is a borer pest that damages rice. It can be damaged from tillering stage to milk maturity stage, affecting yield and quality. The insect is a great threat to rice production, and the output is reduced by 30-60% in popular years, or even no harvest. In recent years, the hazard has been serious, showing an increasing trend year by year. For a long time, organophosphorus and nereistin insecticides such as methamidophos and dimehypo have been used as the first choice for the control of Chilo borer in China. However, organophosphorus insecticides such as methamidophos have short duration of action, high toxicity, and long residual toxicity period, which cause great damage to aquatic animals and natural enemies, and...

Claims

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Application Information

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IPC IPC(8): A01N57/10A01P7/04A01N43/90
Inventor 吴中兴
Owner 吴中兴
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