Biology, asked by desha6026, 7 months ago

Name the plant growth regulator which is responsible for the following: a) Sprouting of potato tubers. b) Promotes flowering. c) Inhibits seed germination. d) Delays leaf senescence. ​

Answers

Answered by thanushajacinth
3

Answer:

Explanation:

a) Two phytohormones, ABA and ethylene, are supposed to suppress tuber sprouting; however, the exact role of ethylene remains to be elucidated. Cytokinins and gibberellins are required for bud break and sprout growth, respectively. The fifth classical phytohormone, auxin, seems to play a role in vascular development.

b) Ethylene

Ethylene is the most widely used plant growth regulator as it helps in regulating many physiological processes. Induce flowering in the mango tree.

c) Functions of Abscisic acid

Inhibits plant metabolism and seed germination. It is involved in regulating abscission and dormancy.

d) Cytokinins help to maintain the plant cell and expression of cytokinin biosynthesis genes late in development prevents leaf senescence

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