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

Storage of seed is:

A.Sometimes the seed has to be stored till sowing time
B.Also many species produce good seed crops only at interval of several years
C.The seed collected in good years must be stored for several years to provide for the lean years
D.All of the above