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Wettable insecticidal powder composed of phoxim and acephate

The technology of wettable powder and acephate is applied in the directions of biocides, animal repellents, plant growth regulators, etc., and can solve the problems of poor killing effect of old larvae, polluting the environment, and large effective dosage, etc. Achieve significant comprehensive control performance, reduce photolysis, and prolong the effect of drug efficacy

Inactive Publication Date: 2005-11-16
QINGDAO UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. The solvent in this preparation is methanol, which has poor storage stability, and usually the decomposition rate is over 20% after heat storage
[0004] 2. Acephate is a slow-acting insecticide with slow insecticidal speed
[0005] 3. The production cost of acephate original drug is high, the effective dosage per mu is large, and the production and use costs are relatively high
[0006] 4. Acephate is a systemic insecticide, and frequent use of a single dose can easily lead to drug resistance and affect its service life
In addition, the insecticide is not effective in killing older larvae
[0007] 5. EC preparations waste solvents, pollute the environment, and do not meet the requirements of the development trend of pesticides
Therefore, although phoxim has a good control effect on rice borer, it has not become a conventional drug for controlling rice borer.

Method used

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  • Wettable insecticidal powder composed of phoxim and acephate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Phoxim 15%

[0023] Acephate 15%

[0024] K 12 1.5%

[0025] NNO 3.5%

[0026] White carbon black 15%

[0027] Azone 1%

[0028] Bentonite balance

Embodiment 2

[0030] Phoxim 10%

[0031] Acephate 40%

[0032] Sodium dodecylbenzenesulfonate 2%

[0033] LS 2%

[0034] Thione 1%

[0035] White carbon black 8%

[0036] Diatomaceous earth balance

Embodiment 3

[0038] Phoxim 40%

[0039] Acephate 10%

[0040] MF 4%

[0041] JFC Penetrant 2%

[0042] 2201 Emulsifier 2%

[0043] White carbon black 30%

[0044] Clay margin

[0045] Processing technology:

[0046]

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PUM

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Abstract

A composite insecticide in the form of wettable powder for preventing and eliminating the pests of rice, fruit tree, vegetables, etc is prepared phoxim, acephate, assistant and filler through adsorptive mixing, and pulverizing.

Description

Technical field: [0001] The invention belongs to pesticide compounding and a preparation method thereof, in particular to a compound insecticidal wettable powder prepared from phoxim, acephate, auxiliary agents and fillers through adsorption, mixing and crushing. Background technique [0002] Methamidophos is a conventional pesticide for controlling rice borers, especially rice leaf rollers. Due to its high toxicity, it has been included in the list of banned pesticides, and its use has been banned in many rice producing areas. As a low-toxic substitute product of methamidophos, acephate has increasingly become a routine pesticide for the control of rice leaf roller. The currently commercialized acephate preparation is mainly 30% acephate emulsifiable concentrate. The main disadvantages of this preparation are: [0003] 1. The solvent in the preparation is methanol, and the storage stability is very poor, and the decomposition rate after thermal storage usually reaches mor...

Claims

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Application Information

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IPC IPC(8): A01N57/28
Inventor 建方方许良忠于观平
Owner QINGDAO UNIV OF SCI & TECH
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