1. Tardigrade
  2. Question
  3. Biology
  4. Leaf fall can be prevented with the help of

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. Leaf fall can be prevented with the help of

AIPMTAIPMT 1989Plant Growth and Development

Solution:

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.