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Insecticide compositioncontainingpymetrozine and dinotefuran

A technology of insecticidal composition and dinotefuran, which is applied in the field of insecticidal composition and preparation containing pymetrozine and dinotefuran, can solve the problem of no reported cross-resistance of pymetrozine, and reduce the cost of pesticides for farmers , mitigation of pollution, and avoidance of the effect of the re-registration process

Inactive Publication Date: 2015-10-14
HUAZHONG AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Pymetrozine has no knockdown activity on pests and will not cause direct toxicity to pests. When pests come into contact with pymetrozine, they will have a stylet blocking effect, stop feeding immediately, and die of starvation. There is no report of pymetrozine and other agents cross resistant

Method used

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  • Insecticide compositioncontainingpymetrozine and dinotefuran
  • Insecticide compositioncontainingpymetrozine and dinotefuran
  • Insecticide compositioncontainingpymetrozine and dinotefuran

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] A kind of suspending agent containing pymetrozine and dinotefuran, it is made of the raw material of following mass fraction:

[0057]

[0058] A method for preparing an insecticidal composition preparation containing pymetrozine and dinotefuran, the steps of which are:

[0059] A. According to the designed formula, weigh the original drug of pymetrozine and dinotefuran, put them into a holding container, then add sodium lauryl sulfate, sodium dibutyl naphthalene sulfonate, sodium lignin sulfonate and naphthalene Sulfonate formaldehyde polymer, glycerin, AF9903, light sodium silicate, polyethylene glycol, water, etc., stir well;

[0060] B. Stir at high speed (1000 rpm), pre-disperse for 25-35 minutes, then stop stirring (stir completely evenly), add sanding medium, and start sanding;

[0061] C. Stop sanding after 1.8-2.2h (to 98% or more of the suspended particle size is between 0.1-0.7 μm), filter, remove the glass beads, add other additives (sodium benzoate), st...

Embodiment 2

[0063] A kind of suspending agent containing pymetrozine and dinotefuran, it is made of the raw material of following mass fraction:

[0064]

[0065] A preparation method of an insecticidal composition containing pymetrozine and dinotefuran, the same as in Example 1.

[0066] Additives such as described sodium lauryl sulfate can use Morwet EFW (component is the mixture of alkyl naphthalene sulfonic acid sodium salt and anionic wetting agent, Akzo Bell), Terspense4896 (alkylphenol polyether type wetting and dispersing agent ), sodium dibutylnaphthalene sulfonate, sodium dioctyl sulfosuccinate, tea ku, GY-W04 (polycarboxylate wetting agent), etc. or any combination of two to six of them instead.

Embodiment 3

[0068] A kind of suspending agent containing pymetrozine and dinotefuran, it is made of the raw material of following mass fraction:

[0069]

[0070]

[0071] A preparation method of an insecticidal composition containing pymetrozine and dinotefuran, the same as in Example 1.

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PUM

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Abstract

The invention discloses an insecticide composition containingpymetrozine and dinotefuran. The insecticide composition comprises pymetrozine and dinotefuran, serving as active ingredients,wherein the weight ratio of pymetrozine to dinotefuran is7.41:1 to 600:1. According to the formula, through reasonable mixing of pymetrozine and dinotefuran, the pesticide effect is improved, pesticide resistance of brown rice planthopper to pymetrozine and dinotefuran is delayed, the use mount of pesticides is lowered, environment pollution is alleviated effectively, the cost is low, the economic burden of farmers is alleviated, and the requirement on sustainable development is met. The insecticide composition also has the characteristics of high efficiency and safety.

Description

technical field [0001] The invention belongs to the field of insecticidal technology containing pyridine compounds and neonicotinoid compounds, more specifically relates to an insecticidal composition containing pymetrozine and dinotefuran, and also relates to an insecticidal composition containing pymetrozine and dinotefuran A preparation method of dinotefuran mixed preparation, which is suitable for preventing and controlling piercing-sucking pests brown planthopper, white-backed planthopper, brown planthopper, green planthopper, aphids, whitefly, greenhouse whitefly, leafhopper, rice thrips At the same time, it can also prevent borers, rice leaf rollers, rice mudworms, rice locusts, scales, yellow striped beetles, stinkbugs, etc. Background technique [0002] Rice planthopper is the main pest on rice. It mainly damages crops by piercing and sucking rice nutrient solution and spreading virus diseases. Grain production has been cut off, which has brought serious economic l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N51/00A01N25/04A01P7/04A01N43/707
Inventor 李建洪张小磊张淑真廖逊何顺万虎
Owner HUAZHONG AGRI UNIV
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