Q. Which is the artificial auxin used as weedicide?

A
NAA
B
IBA
C
2, 4 - D
D
None of these
Solution:

Artificial auxins like Naphthelene Acetic Acid (NAA), Indol Butyric Acid (IBA) etc., are used to prevent the dropping of premature fruits and for the sprouting of roots. 2, 4 – D (2, 4 -Dichloro phenoxy acetic acid) is used as a weedicide.

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