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Question

Blackberry is multiplied by

A

Stem cuttings

B

Bulbils

C

Leaf cuttings

D

Root cuttings

Medium

Solution

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Correct option is
D

Root cuttings

Blackberry can be multiplied by root cuttings. Cutting is one of the methods of artificial propagation. Plants with fleshy roots and trees and shrubs that produce suckers are suitable for this method of propagation. These cuttings don’t need humid conditions as they don’t have leaves to lose water. A piece of root with dormant buds is placed in a suitable medium such as moist soil. If the conditions are suitable, the piece will grow into the new independent plant, a process known as striking. The new plants thus produced resemble the parent plant. Commercial crop grower takes advantage of the cloning which occurs after vegetative propagation to maintain the favourable traits and product quality. Root cutting is done when plants are dormant and have maximum energy stored in roots. 
Thus, the correct answer is option D.

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