Leaf fall can be prevented with the help of

Question

Leaf fall can be prevented with the help of (A) abscisic acid (B) auxins (C) florigen (D) cytokinins.

Tardigrade Admin · Accepted Answer

Cytokinins delay senescence of leaves and other organs by mobilisation of nutrients. Abscissic acid promotes abscission of flowers and fruits. Its excessive presence stops protein and RNA synthesis in the leaves and hence stimulates their senescence.

Q. Leaf fall can be prevented with the help of

abscisic acid

auxins

florigen

cytokinins.

Cytokinins delay senescence of leaves and other organs by mobilisation of nutrients. Abscissic acid promotes abscission of flowers and fruits. Its excessive presence stops protein and RNA synthesis in the leaves and hence stimulates their senescence.