Which one among the following chemicals is used for causing defoliation of forest trees?
Correct answer: B. 2,4D
- A. Malic Hydrazide
- B. 2,4D
- C. Both A and B
- D. None of these
Explanation
(b) : 2,4D is a famous herbicide or weedicide which especially kills broad leaved weeds. It kills weeds perhaps by over stimulated root growth. Other auxins like 2, 4, 5 T have also been used as defoliants during early sixties.
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