Vegetative propogation .

Explanation

(i) Reproduction in plants with the help of vegetative parts like root, stem , leaf and bud is called as Vegetative reproduction propogation .
(ii) Vegetative propagation in potatoes is performed with the help of 'eyes' present on tuber whereas in Bryophyllum it is performed with the help of bud present on leaf margin.
(iii) In case of plants like sugarcane and grasses, vegetative propogation occurs with the help of buds present on leaf margin .
(iv) Plants like carrot and radish peform vegetative propogation with the help of roots .