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CBSE Class 10 Answered

Control and co-ordination in plants
Asked by palaksophia | 02 Dec, 2009, 02:21: PM
answered-by-expert Expert Answer

It is the tendency of an apical bud to produce hormones that suppress growth of the buds below it on the stem. Apical dominance helps the apical bud to grow taller, thereby increasing its exposure to sunlight.

Auxin induces shoot apical dominance; the axillary buds are inhibited by auxin. When the apex of the plant is removed, the inhibitory effect is removed and the growth of lateral buds is enhanced.

Answered by | 02 Dec, 2009, 07:40: PM

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