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Plant Growth and Development — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYPlant Growth and Development3 Marks
Question
What is the difference between florigen and other plant growth hormones?
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Answer

Differences between florigen and other plant growth hormones are:
S. No.
Florigen
Other Plant Growth Hormones
1.
It is a hypothetical hormone and has not been extracted from plants.
All plant growth hormones have been isolated from plant sources.
2.
It is supposed to be synthesised in leaves.
They are synthesised in apical meristems.
3.
Florigen is formed only when the plants attain a specific reproductive maturity.
Growth hormones are formed in all stages of plant development including seed germination.

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