Which of the following methods would quickly provide a large harvest of oranges from a tree with desirable qualities?
-
A.
planting the seeds of the plant with the desirable qualities -
B.
Crossing orange trees with those of desirable qualities -
C.
Applying special fertilizer to the other citrus trees -
D.
Grafting a branch from the tree with desirable qualities to the stock of other citrus trees -
E.
Planting the stem cuttings of the orange tree with desirable qualities