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The herbicides which are ineffective on perennial plants that are able to regrow from their underground parts are called:
Question

The herbicides which are ineffective on perennial plants that are able to regrow from their underground parts are called:

A.

Contact herbicides

B.

Selective herbicides

C.

Soil borne herbicides

D.

Pre-emergent herbicides

Correct option is A


Contact herbicides are ineffective on perennial plants that can regrow from their underground parts because they only affect the parts of the plant they come in contact with.

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