First slide

Plant Growth Regulators

Question

The pineapple which under natural condition is difficult to blossom has been made to produce fruits throughout the year by application of

Easy

A

NAA, 2, 4-D
B

Phenylacetic acid
C

Cytokinin
D

IAA, IBA

Solution

Dilute solutions of NAA and 2, 4-D are sprayed on litchi and pineapple which induce flowering in them.

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