. Practical text-book of plant physiology. Plant physiology. Fig. 155. A, winter bud of Philotria. B, apex of growing shoot. Fig. 156. Illustrating crown grafting, a, stock with three scions inserted, ^pre- pared scion. After Percival. amount of nutrition which is chiefly responsible for the differ- ences between the growth of a grafted cutting and a branch on the plant from which the cutting was taken. The union of a scion and stock showing the greatest differences may be made in herbaceous plants where such unlike forms as Lycopersicum and Tradescantia have been grafted. The rapidity with wh
. Practical text-book of plant physiology. Plant physiology. Fig. 155. A, winter bud of Philotria. B, apex of growing shoot. Fig. 156. Illustrating crown grafting, a, stock with three scions inserted, ^pre- pared scion. After Percival. amount of nutrition which is chiefly responsible for the differ- ences between the growth of a grafted cutting and a branch on the plant from which the cutting was taken. The union of a scion and stock showing the greatest differences may be made in herbaceous plants where such unlike forms as Lycopersicum and Tradescantia have been grafted. The rapidity with which the union of scion and stock takes place makes these forms most useful for an experimental study of the 1 Wright, J. S. Cell-union in herbaceous grafting. Bot. Gazette. 18 : 184. I»93-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original MacDougal, Daniel Trembly, 1865-1958. New York [etc. ] Longmans, Green, and Co.
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