Comparison of Mazzard, Mahaleb and Hybrid Rootstocks for ‘Montmorency’ Cherry (Prunus cerasus L.)1

in Journal of the American Society for Horticultural Science
Authors:
M. N. WestwoodDepartment of Horticulture, Oregon State University, Corvallis, OR 97331

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A. N. RobertsDepartment of Horticulture, Oregon State University, Corvallis, OR 97331

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H. O. BjornstadDepartment of Horticulture, Oregon State University, Corvallis, OR 97331

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Abstract

Growth and yield of ‘Montmorency’ cherry varied greatly both within and between species of rootstock clones. Trees on FI2/1 mazzard (Prunus avium L.) were very vigorous and less productive than those on other stocks. Some growth control was found within each species or hybrid group but was most pronounced with P. mahaleb L. clones PI 193688, PI 163091 and PI 193693. Yield efficiency was not necessarily related to tree size but tended to be better with smaller trees. The 3 P. mahaleb clones listed above and the vigorous clones OCR-3 (P. mahaleb × P. avium) and PI 194098 (P. mahaleb) had high yield efficiencies. Trees on F12/1 and P. mahaleb PI 193703 had the lowest yield efficiencies. Based upon ideal orchard spacing for tree size, calculated annual yields exceeded 10 metric tons per ha for 6 of the clonal stocks.

Contributor Notes

Received for publication July 7, 1975. Oregon Agr. Expt. Sta. Tech. Paper No. 4054.

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