Flood Tolerant Prunus Through Grafting?
Richard E. Bir and T.G. Ranney
Considerable variation in tolerance to root-zone flooding exists within the genus Prunus. Research demonstrated the differences in defoliation and survival for 11 Prunus taxa (Ranney, 1994) as shown in Table 1.
The two taxa most tolerant of root zone flooding, F-12/1 mazzard cherry and ‘Newport’ plum, illustrate the potential for enhancing adaptability of less floodtolerant Prunus such as Japanese apricot (P. mume) and Yoshino cherry (P. ×yedoensis) on poorly drained sites if they are grafted onto appropriate rootstocks. Prunus avium F-12/1, resistant to bacterial canker, is listed as compatible with P. sargentii, ‘Yoshino’, ‘Okame’, P. ×subhirtella ‘Autumnalis’, and ‘Kanzan’ cherries as
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