Chapter 17

Herbicides, Pesticides, and Plant Tolerance

An Overview

Qaisar Mahmood, Muhammad Bilal and Sumira Jan

The judicious application of pesticides is considered essential for the eradication and control of insect-borne diseases that result in increased food production. The current work summarizes various mechanisms conferring herbicide/pesticide tolerance to susceptible plants. Among major tolerance mechanisms, the roles of cytochrome P450, bioremediation, antioxidants, and certain metabolites are discussed in relation to detoxification of xenobiotics. The metabolism of P450 enzymes, particularly Cyt P450 enzymes, has a major role in detoxifying herbicides and is one chief cellular mechanisms found in plants to confer resistance against ...

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