HORTICULTURE

HORTICULTURE SCIENCE

CROP PHYSIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A situation in which the middle stem grows at a greater rate, suppressing the side growth:
A
Tropism
B
Apical Dominance
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -The correct option is D suppression of growth of axillary buds by the presence of apical buds. In most higher plants, the growing apical bud inhibits the growth of the lateral (axillary) buds, a phenomenon called apical dominance.

Detailed explanation-2: -For almost a century the plant hormone auxin has been central to theories on apical dominance, whereby the growing shoot tip suppresses the growth of the axillary buds below.

There is 1 question to complete.