Plant Growth and DevelopmentHard
Question
A chemical believed to be involved in flowering is
Options
A.gibberellin
B.kinetin
C.florigen
D.IBA
Solution
Chailakhyan (1936) proposed that photoperiodic induction produces a chemical complex ′florigen′ for flowering. It is synthesized in the older leaves and then transferred to the growing region where it initiates the floral bud initiation. However, florigen has bot been extracted, nor identified till now.
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