The main stem was then in most cases twisted in a zigzag form, which process checked the flow of the sap, and at the same time encouraged the production of side branches at those parts of the stem where they were most desired.
Robert FortuneStunted varieties were generally chosen, particularly if they had the side branches opposite or regular, for much depends upon this; a one-sided tree is of no value in the eyes of the Chinese.
Robert FortuneWe are told that the first part of the process is to select the very smallest seeds from the smallest plants, which is not at all unlikely, but I cannot speak to the fact from my own observation.
Robert Fortune