. Plant propagation : greenhouse and nursery practice . Plant propagation. Mii'rUUUS 01 ijUAl'I'JNG 233 .scarce nurserymen sometimes lengthen the cion and shorten the roots even to llA inches. One of the so- called advantages thus gained is that the cions develop roots after the grafts have been planted. The chief ef- fect, then, of the root piece is to act as a nurse until the cion is able through its own roots to care for itself. Short pieces have been specially popular in th-e prairie states where, because of severe winters, roots as well as tops must be hardy. The practice there has been c
. Plant propagation : greenhouse and nursery practice . Plant propagation. Mii'rUUUS 01 ijUAl'I'JNG 233 .scarce nurserymen sometimes lengthen the cion and shorten the roots even to llA inches. One of the so- called advantages thus gained is that the cions develop roots after the grafts have been planted. The chief ef- fect, then, of the root piece is to act as a nurse until the cion is able through its own roots to care for itself. Short pieces have been specially popular in th-e prairie states where, because of severe winters, roots as well as tops must be hardy. The practice there has been com- mon to make cions 8 to 12 inches long, to use a very short root piece and to plant as deep as the top bud. By. FIG. 190—STUDENTS PLANTING ROOT GRAFTS Ten thousand to thirty thousand made annually at Pennsylvania State College. the time the tree is dug the nurse root will have fallen off or may be cut away. Thus trees are secured on their own roots and are considered superior to those in which the seedling roots are of unknown hardiness. Some varieties of apples readily take root from cuttings, but root grafting is favored, because there is less trouble from having to operate several methods often at busy times of the year. 305. Making root grafts.—The whip or tongue method. 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 Kains, M. G. (Maurice Grenville), 1868-1946. New York : Orange Judd Company
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