In tea plantations and hedge making, gardeners trim the plants regularly so that they remain bushy. Scientific explanation behind this is

Removal of apical dominance

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Growth of lateral buds

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Suppression of lateral buds

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Both (a) and (b)

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Solution

The correct option is D Both (a) and (b)
Auxin is a hormone present in plants at the tip of the stem. Its function is to maintain apical dominance (where main stem of the plant is dominant over other side branches) and to inhibit growth of lateral buds. That's why gardeners trim the plants regularly so that the plant grows laterally and remains bushy after removal of auxin.
Thus, the correct answer is 'Both (a) and (b).'

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Similar questions

Question 21:

In botanical gardens and tea gardens, gardeners trim the plants regularly so that they remain bushy. Does this practice have any scientific explanation?

Q. Assertion :Decapitation is widely used in tea plantation and hedge-making. Reason: Removal of shoot tips usually results in the growth of lateral buds.

Q. Assertion : Auxins promote apical dominance by suppressing the activity pf lateral buds.
Reason : In moriculture, periodic pruning of shoot tips is done to make mulberry plants bushy.

Q. Compare the statement A with B. Statement A: Auxins produce apical dominance by suppressing the activity of lateral buds. Statement B: In horticulture, periodic pruning of shoot tips is done to make mulberry plants bushy.

A : Auxins promote apical dominance by suppressing the lateral growth of axillary buds.

R : Periodic pruning of shoots in mulberry helps in making the shoots bushy.

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