Pesticide composition

A composition and pesticide technology, applied in the directions of biocides, animal repellents, plant growth regulators, etc., can solve the problems of pests that are prone to resistance, slow in action, and undisclosed pesticides.

Inactive Publication Date: 2005-01-12
SHANGHAI WEIDI BIOCHEM PESTICIDE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Chlorfluazuron is known to be a high-efficiency and low-toxicity insecticide, especially for lepidopteran pests with high efficiency, strong selectivity, not easy to produce resistance, safe for natural enemies and other non-target organisms, and almost no environmental pollution. It has a good control effect on pests that have developed resistance to other insecticides such as organophosphates, carbamates, pyrethroids, etc., but its disadvantage is that it acts slowly
The advantage of known pyrethroids is that they can quickly kill pests, but the disadvantage is that pests are prone to develop resistance
[0003] However, the prior art has not yet revealed an insecticide that has the advantages of chlorfluazuron and pyrethroids

Method used

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  • Pesticide composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] 5% Chlorfluazuron Beta-cypermethrin EC

[0028] Add 2% by weight of dimethyl sulfoxide as cosolvent, add 15% by weight of dodecylphenol polyoxyethylene ether as surfactant, add 1% by weight of chlorfluazuron and 4% by weight of beta-cypermethrin in the preparation kettle, and 78% by weight of xylene was added as solvent. The whole mixture is mixed thoroughly, and samples are taken for analysis to detect whether each component in the composition has reached the predetermined content, and the qualified samples can be packaged.

[0029] The field efficacy of 5% hexazuron·beta-cypermethrin EC against Plutella xylostella larvae is shown in Table 1. The second and fifth days were 82.44% and 95.22% respectively.

Embodiment 2

[0031] 5% Chlorfluazuron Beta-cypermethrin EC

[0032] Add 2% by weight dimethyl sulfoxide as a cosolvent, add 15% by weight of dodecylphenol polyoxyethylene ether as a surfactant, add 0.1% by weight of chlorfluazuron and 4.9% by weight of beta-cypermethrin, add 78% by weight xylene as solvent. Mix all the mixtures thoroughly, take samples for analysis, and the qualified samples can be packaged.

[0033] The efficacy of 5% hexazuron·beta-cypermethrin EC against Plutella xylostella larvae was 81.00% and 88.03% on the second day and the fifth day respectively.

Embodiment 3

[0035] 5% Chlorfluazuron Beta-cypermethrin Suspending Concentrate

[0036] Add 44% by weight of water, 8% by weight of sodium lauryl sulfate as a wetting agent, 15% by weight of sodium lignosulfonate as a dispersant, add 10% by weight of xanthan gum as a tackifier, add 3% by weight of % gum arabic stabilizer, 6% by weight propylene glycol antifreeze, add 5% by weight of foam enemy defoamer, add 10% by weight of transformer oil as an organic solvent, add 2% by weight of chlorfluazuron and 3% by weight of beta-cypermethrin. Mix the mixture thoroughly, take samples for analysis, and the qualified samples can be packaged.

[0037] Taking this sample, the efficacy of controlling Plutella xylostella larvae was 80.95% and 90.63% on the second day and the fifth day respectively.

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Abstract

The present invention discloses a pesticide composition. It contains 0.1-30 wt% of chlorfluazuron and 0.05-50 wt% of pyrethroid. It also can contain other adjuvant.

Description

technical field [0001] The invention relates to an insecticide composition, in particular to an insecticide composition containing chlorfluazuron and pyrethroids. Background technique [0002] Chlorfluazuron is known to be a high-efficiency and low-toxicity insecticide, especially for lepidopteran pests with high efficiency, strong selectivity, not easy to produce resistance, safe for natural enemies and other non-target organisms, and almost no environmental pollution. It has a good control effect on pests that have developed resistance to other insecticides such as organophosphates, carbamates, pyrethroids, etc., but its disadvantage is that it works slowly. The advantage of known pyrethroids is that they can quickly kill pests, but the disadvantage is that pests are prone to develop resistance. [0003] However, no insecticide having the advantages of both chlorfluazuron and pyrethroids has been disclosed in the prior art. Contents of the invention [0004] Therefore,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/36A01N53/00
Inventor 吴中兴
Owner SHANGHAI WEIDI BIOCHEM PESTICIDE
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