Abscisic Acid And Ethylene
Abscisic Acid And Ethylene
Abscisic acid: Abscisic acid is a growth inhibitor that reverses the growth-promoting effects of auxins and gibberellins. It is also called as antigibberellins. It causes dormancy of seeds, tubers and bulbs. It promotes leaf and fruit fall. It helps in the closure of the stomata to decrease the loss of water or reduce transpiration.
Ethylene : Ethylene is a gaseous hormone that acts at trace levels throughout the life of the plant. It is also known as ripening hormone. Ethylene also induces epinasty, leaf abscission,induces flowering in pine apples and checks the elongation in stem and root. However it promotes rooting like auxin.
Functions of Ethylene:
Leaf fall can be prevented by ______________ | |||
| Right Option : C | |||
| View Explanation | |||
Artificial ripening of fruits is carried out by ______________ | |||
| Right Option : D | |||
| View Explanation | |||
Which of these plant hormones is a growth inhibitor? | |||
| Right Option : C | |||
| View Explanation | |||
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