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Insecticide composition containing thiocyclam and pymetrozine

An insecticidal composition and a technology for the composition, which are applied in the field of pesticides, can solve the problems of increasing environmental pollution, declining control effects, and poisoning of bee colonies, and achieve the advantages of reducing environmental pollution, reducing the frequency of medication, and improving the insecticidal effect. Effect

Active Publication Date: 2015-04-15
JIANGSU TIANRONG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, due to the rapid growth of imidacloprid resistance, with the accumulation of use time, the control effect continues to decline, and the dosage per mu increases significantly, which not only increases the cost of agricultural production, but also increases the pollution to the environment
[0004] In particular, imidacloprid not only has high resistance, but also seriously kills pollinating bee colonies in nature, thus blocking the reproductive chain of plants in nature and posing a serious threat to natural ecological diversity
Therefore, whether imidacloprid can continue to be used has caused fierce debate in the agricultural management department and the pesticide production department.

Method used

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  • Insecticide composition containing thiocyclam and pymetrozine
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  • Insecticide composition containing thiocyclam and pymetrozine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1: Indoor toxicity determination of rice stem borer mixed with insecticidal ring and pymetrozine in different weight ratios

[0021] The test drug used 95% pymetrozine original drug and 90% insecticidal drug original drug, and used acetone to dissolve the original drug, and prepared the required concentration of liquid medicine according to the set ratio concentration for later use. The used pymetrozine original drug The original drug and insecticidal ring are produced by the company itself, and the solvents and pesticide auxiliaries are purchased from the market.

[0022] The indoor bioassay method is as follows: the capillary micro-drop method is adopted, and the volume of the capillary micro-dropper is 1.0 μL. Use a micro-dropper to drip the liquid medicine head-by-head on the back of the 3rd instar larvae of Chilo borer, treat about 30 larvae at each concentration, and put every 5 larvae into a petri dish with a diameter of 9 cm, and a small amount of feed i...

Embodiment 2

[0027] Example 2: Indoor toxicity determination of insecticidal ring and pymetrozine mixed in different weight ratios to rice planthoppers

[0028] The indoor virulence of the tested chemicals against the 2nd instar adults of rice planthoppers was dipped.

[0029] Dilute each medicament mother solution with an aqueous solution containing 0.1% Tween 80 to obtain 4 to 6 series of mass concentrations in an equiproportional gradient. Distilled water containing 0.1% Tween 80 and 0.1% acetone was used as blank control. Put the test insects into the funnel folded with filter paper, take 3mL of the above liquid medicine into the funnel with a pipette gun, keep the test insects in the liquid medicine for 30 seconds, take them out and put them on the filter paper to absorb the excess liquid medicine , the test insects are transferred to glass insect culture tubes (diameter 1.8cm, height 8cm) and put into wet soil with an appropriate amount of water content (about 18%) and fresh paddy r...

Embodiment 3

[0037] Embodiment 3: 30% insecticidal cyclopymetrozine wettable powder

[0038]

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PUM

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Abstract

The invention discloses an insecticide composition containing thiocyclam and pymetrozine. The insecticide composition comprises effective components such as thiocyclam and pymetrozine, wherein the weight ratio of thiocyclam to pymetrozine is (1-50):(1-30). The invention further discloses application of the insecticide composition in preventing and treating rice-stem borer and rice planthopper. On the basis that the original prevention effect of the insecticide composition is maintained, not only is the insecticidal spectrum widened, but also the medicine resistance of insects to the medicine is delayed, and a synergism function is achieved. As the price of pymetrozine is higher than that of thiocyclam, when thiocyclam is compounded with a small amount of pymetrozine, the insecticidal spectrum is widened, the use amount is reduced, the production cost is lowered, and the economic burden of peasants is alleviated.

Description

technical field [0001] The invention belongs to the field of pesticides, in particular to an insecticidal composition containing insecticidal cyclocycline and pymetrozine. Background technique [0002] In recent years, the scientific compounding of two or more insecticides to expand the insecticidal spectrum has been widely used. For example, pesticides compounded with the neonicotinoid insecticide imidacloprid and chlorpyrifos or triazophos, beta-cypermethrin, secbucarb, and isoprocarb have been widely used in agricultural production. [0003] However, due to the rapid growth of imidacloprid resistance, with the accumulation of use time, the control effect continues to decline, and the dosage per mu increases significantly, which not only increases the cost of agricultural production, but also increases the pollution to the environment. [0004] In particular, imidacloprid not only has high resistance, but also seriously poisons bee colonies that spread pollen in nature, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/707A01P7/04A01N43/32
Inventor 许网保虞国新魏明阳臧伟新
Owner JIANGSU TIANRONG GROUP
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