| Vegetative parts of plants such as modified stems like onion bulbs, runners of doob grass, rhizomes of ginger, tuber of potato all possess buds. when sown in soil they develop into a new plant. sweet potato (shakarkandi) is a root tuber that also develops into a new plant when sown in soil. | It includes growing plants by man-made methods. For example,
(i) Cuttings of steam of sugar cane, grapes, etc, which when grown in soil development into a new plant.
(ii) Grafting is a process in which branches of two similar plants, one potted plant and the other of a good quality plant are obliquely cut and placed over each other and tied by a tape and left for a month or so. A new plant thus develops.
(iii) In layering, the roots are induced to develop in the branch of a rooted plant buried in the soil. |
