Name various plant hormones. Also give their physiological effects on plant growth and development.
Solution:
Chemical messengers called plant hormones, or phytohormones, control how plants grow and react to environmental stressors.
Auxin - it promotes plant growth and fruit growth.
Gibberellins- it helps in fruit growth and cell division.
Cytokinins –promote cell division, fruit growth and opening of stomata.
Abscisic acid- it promotes dormancy and inhibits plant growth. It is also responsible for the falling of leaves fruits and flowers