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Pesticide composition

A technology for pesticide compositions and active ingredients, which is applied in the directions of animal repellents, plant growth regulators, botanical equipment and methods, etc., can solve the problem of not keeping up with the speed of pest resistance, unsatisfactory chemical control effect, and development of active ingredients. The problem of high cost is to achieve the effect of improving the control effect, delaying the development and delaying the drug resistance.

Inactive Publication Date: 2010-01-06
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, pests have developed strong resistance to pesticides, and the control effect of conventional pesticides has been very unsatisfactory.
[0005] For the prevention and control of resistant pests in agriculture, one way is to introduce new ingredients that have no cross-resistance with existing varieties, but the development cost of new active ingredients is high, the development cycle is long, and it cannot catch up with the development of pest resistance. speed; other methods such as crop layout adjustment, rotation of different pesticides, etc., in the actual operation process, it is difficult to really have a significant effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Example 1: Compound Toxicity Test of Metaflumizone, Abamectin and Emamectin Diamectin Salt

[0028] 1. Determination of the toxicity of metaflumizone, abamectin and different ratios to the rice leaf roller

[0029] The rice leaf roller pupae collected from the field were reared indoors for three generations, and the third-instar larvae with uniform growth were selected as the test insects for this experiment. Using the method of soaking leaves and inoculating insects, the test agent was mixed with acetone and 10% Tuwen-80 to make a certain concentration of mother liquor, and then diluted with clear water to 5 gradient concentrations for use, and clear water was used as a control. Take fresh rice leaves and cut them into approximately 50mm long fragments of basically the same size, dip the cut leaves in the prepared test drug solution for 10 seconds, take them out and let them dry naturally, and put them in a container lined with filter paper in advance. In a petri dish...

Embodiment 2

[0050] Example 2: Preparation method of 80.5% metaflumizone·abamectin emulsifiable concentrate

[0051] Metaflumizone 80%

[0052] Abamectin 0.5%

[0053] Nongru 600# (emulsifier) ​​8%

[0054] Xylene (solvent) balance

[0055] According to the formula requirements, mix and stir metaflumizone, abamectin, emulsifier, and part of the solvent in the preparation kettle. After completely dissolving, add the remaining solvent slowly, and get a uniform oil phase after fully stirring. After the sampling test is qualified, the pesticide composition emulsifiable concentrate of the present invention is obtained.

Embodiment 3

[0056] Embodiment three: 41% metaflumizone·abamectin suspension preparation method

[0057] Metaflumizone 40%

[0058] Abamectin 1%

[0059] Sodium dodecylbenzenesulfonate (wetting agent) 1%

[0060] Calcium lignosulfonate (dispersant) 2%

[0061] Methylcellulose (viscosity enhancer) 2%

[0062] Bentonite (stabilizer) 3%

[0063] Ethylene glycol (antifreeze) 1%

[0064] Deionized water (solvent) balance

[0065] According to the formula requirements, in the dispersing tank equipped with a high-speed agitator, disperse the original drug and the dispersant in water, and coarsely pulverize the original drug; continuously send the coarsely pulverized solution into the sand mill with a quantitative pump, Carry out fine pulverization; the solution separated from the medium and discharged is sent to the final mixing tank, and the thickener solution prepared in addition is added to the final mixing tank, and mixed evenly with the pulverized solution to obtain a suspending agent....

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Abstract

The invention discloses a pesticide composition. Effective components of the pesticide composition include a component A and a component B, wherein the component A is metaflumizone, the component B is any of abamectin and emamectin benzoate, and the weight ratio of the component A and the component B is 160:1-1:40. The composition has the advantage that the composition can be used for preventing and killing obviously resistant pests, in particular for preventing and killing resistant diamond back moth, spodoptera exigua and cnaphalocrocis medinalis.

Description

technical field [0001] The invention relates to a pesticide composition, in particular to a pesticide composition containing metaflumizone, which is used to prevent and control resistant pests on crops. Background technique [0002] In agricultural production, chemical control is an important means of preventing and controlling crop diseases and insect pests. In the process of chemical control, due to the long-term and irrational use of chemical pesticides, the resistance of pests and germs has been increasing, which has brought great difficulties to the control work. [0003] Plutella xylostella is a major pest of cruciferous vegetables. In recent years, the resistance of Plutella xylostella has developed rapidly, so that many effective insecticides have successively weakened the control effect. Huazhong Agricultural University measured in 2005 and found that the resistance of Guangdong Plutella xylostella population to abamectin has reached 30 times, reaching a medium le...

Claims

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Application Information

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IPC IPC(8): A01N47/34A01N43/90A01P7/04
Inventor 巩自勇朱卫锋曹明章王延辉毕湘黔孔建
Owner SHENZHEN NOPOSION AGROCHEM
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