Plant Growth and DevelopmentHard

Question

Photoperiodism was characterised in

Options

A.tobacco
B.potato
C.tomato
D.cotton

Solution

They phenomenon of photoperiodism was first discovered by Garner and Allard (1920, 22) in tobacoo plants. THey obseved that Maryland Mammoth, the variety of tobacoo could be made to flower only by reducing the light hours with artificial darkening. It could be made to remain vegetative in winter by providing extra light.

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