Question

In sweet potato vegetative propagation takes place by

• A. Root
• B. Stem
• C. Leaves
• D. All the above

Answer 1

The correct option is A

Root

The correct option is A.

Explanation of correct option:

1. The formation of a new plant from vegetative parts of the plant, such as roots, stems, or leaves, is known as vegetative propagation.
2. Adventitious buds develop in the roots of some plants, such as sweet potatoes, and break out from the root to form new plants.
3. The adventitious buds are those that grow from regions other than their normal position such as some kind of wound in the stem or branches.

Explanation of the incorrect options:

Option B:

1. Runners are stems that grow horizontally on the ground.
2. As the runners grow, buds form at the nodes, which later develop into roots and shoots, forming a new plant. Cynodon, mint are the examples

Option C:

1. Vegetative propagation by leaves is seen in Begonia and Bryophyllum.
2. New plants grow from buds growing on the margins of the leaves in this type of asexual reproduction.
3. These buds are sexually reproduced, and they germinate and grow into a new plant when they fall to the ground.

Final answer: In sweet potatoes vegetative propagation takes place by the root.