Hybrid and deltoids poplars is:

A. Cutting is made from one-year-old plants. Preferably stem cutting of 20-25 cm length and finger thickness are used
B. Where one-year-old plants are produced for panting out. The root-shoot cutting and two cutting from the proximal end of the stem are made from one year old plants

C. Both (a) & (b)

D. None of these