GIBBERELLINS PHYSIOLOGICAL EFFECTS TAMIL STD 11 PLANT GROWTH PHYSIOLOGY

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=ijTNOUSG6eY

#tirunelveli #sriparamakalyanischool #alwarkurichi • • It produces extraordinary elongation of stem caused by cell division and cell elongation. • • Rosette plants (genetic dwarfism) plants exhibit excessive internodal growth when they are treated with gibberellins. This sudden elongation of stem followed by flowering is called bolting • • Gibberellin breaks dormancy in potato tubers. • • Many biennials usually flower during second year of their growth. For flowering to take place, these plants should be exposed to cold season. Such plants could be made to flower without exposure to cold season in the first year itself, when they are treated with gibberellins.

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