Question

Which of the following statement is/are true about herbicide resistance?

A Herbicide resistance occur more frequently in nature Correct Answer Incorrect Answer
B Herbicide resistance is due to mutation induced by herbicides Correct Answer Incorrect Answer
C Resistance occur spontaneously due to selection pressure Correct Answer Incorrect Answer
D b & c are correct Correct Answer Incorrect Answer

Solution

Herbicide resistance is the inherent ability of a plant/ biotype to survive and reproduce even at much higher than the recommended doses of herbicide It occurs less frequently in nature and is not due to mutation cause by herbicides, rather occur spontaneously from the selection pressure exerted by repeated herbicide application.

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