. Better fruit. Fruit-culture. October, 1920 BETTER FRUIT Page 31 Propagation of Apple Trees, Etc. Continued from page 5. the nursery as Bough. Furthermore, observations made on digging the trees fail to discover any noticeable correla- tion between vigor and rooting. It has seemed to the writer that a small, weak tree was as likely to be rooted from the scion as a strong one. Some varieties branch more freely than others. During the season of 1916 a block of yearling whips branched quite freely from the newly formed ax- illary buds. Notes taken at the time are as follows: No branches, Norther
. Better fruit. Fruit-culture. October, 1920 BETTER FRUIT Page 31 Propagation of Apple Trees, Etc. Continued from page 5. the nursery as Bough. Furthermore, observations made on digging the trees fail to discover any noticeable correla- tion between vigor and rooting. It has seemed to the writer that a small, weak tree was as likely to be rooted from the scion as a strong one. Some varieties branch more freely than others. During the season of 1916 a block of yearling whips branched quite freely from the newly formed ax- illary buds. Notes taken at the time are as follows: No branches, Northern Spy; few, Baldwin, Bough, Ildenburg, Tolman; all, Transcendent (Crab). This gives no indication of any correla- tion between rooting from the scion and branch growth from axillary buds. A more reasonable expectation might be for a correlation between root forma- tion and branching from adventitous buds on the stem. No exact record of branching from adventitious buds is available, but limited general observa- tion of the behavior of budded trees leads the writer to believe that such a correlation may exist, and that Bough and other free rooting varieties do send out shoots from adventitious buds more freely than Tolman and other varieties that root only sparingly. Further and more definite records may prove or dis- prove this belief. The relation of callus formation in cuttings has been referred to. Un- fortunately no full notes of callus for- mation on the cuttings set was kept, but it is suggestive to point out that Yellow Transparent, which uniformly gave as large a callus as any variety, did not root as well as Wagener, which never gave any sign of callus formation. Neither can we discover any rela- tionship between rooting from the scion and season of maturity, either of fruit or wood, nor in size of leaves or density of foliage. Many woody plants are propagated from cuttings, and in general it is those with soft wood that grow most readily. There is considerable variatio
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