Insecticidal composition containing avermectin with synergistic effect

A technology of abamectin and insecticide, which is applied in the field of compound pesticides, can solve the problems of aggravated environmental pollution, no reports of insecticide compositions, and the tendency of pests to develop drug resistance, so as to achieve simple production process and delay the development of pests. Drug resistance, low cost effect

Inactive Publication Date: 2010-06-02
SHAANXI MEIBANG PHARMA GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Insecticide varieties containing one active ingredient often have different degrees of defects in the control of agricultural pests: continuous use of pests is prone to resistance, and frequent use will cause increased pollution to the environment, etc.
But, do not see the report of the insecticide composition that abamectin and nitenpyram form so far

Method used

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  • Insecticidal composition containing avermectin with synergistic effect
  • Insecticidal composition containing avermectin with synergistic effect

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Example 1: Aphids

[0037] According to the weight ratio of abamectin (unless otherwise stated, the average weight percentage) 5%, nitenpyram 30%, dispersant sodium lignosulfonate 15%, disintegrant aluminum chloride 4%, stabilizer phosphoric acid 1.5% tributyl ester, 5% wetting agent pull-off powder, 39.5% bentonite carrier, made into water-dispersible granules. The formula is diluted and sprayed by 2000-2500 times, and the field control effect is 98.10% within 72 hours after spraying. 5% abamectin water-dispersible granules and 30% nitenpyram, water-dispersible granules were used in the same way, and the control effects were 55.05% and 55.91% respectively at 72 hours after the medicine.

Embodiment 2

[0038] Example 2: Aphids

[0039] According to the weight ratio of abamectin (unless otherwise stated, the average weight percentage) 5%, nitenpyram 30%, dispersant sodium lignosulfonate 15%, disintegrant 4%, stabilizer BHT 1.5% , 5% thickener gum arabic, 0.5% antifreeze urea, 5% wetting agent pull apart powder, and water up to 100%. Made into a composition suspension. The formula is diluted and sprayed by 2000-2500 times, and the field control effect is 90.98% within 72 hours after application. 5% abamectin suspension and 30% nitenpyram were used in the same way, and the control effects were 41.04% and 43.21% 72 hours after treatment.

Embodiment 3

[0040] Example 3: Aphids

[0041] Proportioning by weight of abamectin (unless otherwise specified, average weight percentage) 1%, nitenpyram 30%, dispersant sodium lignosulfonate 15%, stabilizer tributyl phosphate 1.5%, wetting agent Open powder 5%, carrier bentonite 47.5%, make wettable powder. The formula is diluted and sprayed by 2000-2500 times, and the control effect in the field is 92.07% within 72 hours after spraying. 1% abamectin wettable powder and 30% nitenpyram, the wettable powder was used in the same way, and the control effects were 48.09% and 43.07% respectively at 72 hours after application.

[0042] It can be concluded from Examples 1, 2, and 3 that the control effect on aphids after compounding the same component abamectin and nitenpyram is more than 2 times that of using a single agent of abamectin or nitenpyram.

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Abstract

The invention relates to an insecticide compound of avermectin and nitenpyram, which is characterized in that the effect components of the invention are avermectin and nitenpyram, and the mass ratio of avermectin and nitenpyram is between 0.1:50 and 5:1. The invention has the advantages that obvious synergy effect and persistent effect can be achieved after remixing, and plural functions of broadspectrum, high efficiency, low toxicity, low pollution and low residual against aphides, whiteflies, spiny white flies, tobacco whiteflies and the like which are common on fruit trees and cotton can be achieved. Besides, the consumption and application times of pesticide are substantially decreased, costs are reduced and the drug resistance of pests is retarded.

Description

technical field [0001] The invention belongs to the technical field of compound pesticides, and in particular relates to a rich compound pesticide of abamectin and nitenpyram. Background technique [0002] Abamectin: It is a macrolide disaccharide compound. It is a natural product isolated from soil microorganisms. It has contact and stomach poisoning effects on insects and mites, and has weak fumigation effect, without systemic effect. However, it has a strong penetrating effect on the leaves, can kill pests under the skin, and has a long residual effect. It does not kill eggs. Its mechanism of action is different from that of general insecticides in that it interferes with neurophysiological activities, stimulates the release of r-aminobutyric acid, and r-aminobutyric acid has an inhibitory effect on the nerve conduction of arthropods, and acarids, nymphs and insects are related to The larvae will appear paralyzed after being in contact with the drug, will not move or e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/90A01P7/04A01N43/40
Inventor 张少武
Owner SHAANXI MEIBANG PHARMA GRP CO LTD
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