Causes of pest resistance

July 31 08:02:12, 2024

A pesticide is repeatedly used on the same pest, and after a certain period of time, the efficacy is obviously reduced or even almost ineffective. This phenomenon is called drug-resistant. The emergence of drug resistance forced farmers to increase the dose and frequency of drug use, which just formed a vicious escalation.
1. Pests. When subjected to a certain dose of pesticides, some deaths, in which insensitive individuals survive and breed offspring, such offspring are more resistant.
2. The technical aspects of pesticide use. Improper medication causes resistance:
(1) Long-term continuous use of a single agent results in resistance.
(2) The increase in the dosage and concentration of pesticides directly leads to an increase in drug resistance.
(3), the pesticide dosage form is not suitable, it will also reduce the efficacy of the drug, so that the individual is induced to resist drug resistance.
(4), pesticides deposited on vegetables, uneven distribution can also cause drug resistance.
Huaxian Agricultural Technology Promotion Center Lu Shuguang
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