First slide

Plant Growth Regulators

Question

Which of the following strategy will be useful for preventing flowering in lettuce?

Difficult

A

Spraying dilute solution of ABA
B

Spraying dilute solution of auxins
C

Spraying highly concentrated solution of auxins
D

Spraying highly concentrated solution of ABA

Solution

Spraying dilute solutions of NAA and 2,4-D induce flowering in plants like litchi and pineapple. However, flowering in most of the plants can be inhibited by spraying highly concentrated solution of auxins. This effect of auxin is used in plants like lettuce where only leaves are edible.

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