Journal
HORTICULTURAL SCIENCE
Volume 37, Issue 4, Pages 121-126Publisher
CZECH ACADEMY AGRICULTURAL SCIENCES
DOI: 10.17221/20/2010-HORTSCI
Keywords
apple; rootstock; growth vigour; yield efficiency; suckering
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Funding
- Ministry of Education, Youth and Sports of the Czech Republic [MSM 2527112101]
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Fourteen clonal apple rootstocks (M. 9, M. 26, M. 27, MM. 106, J-TE-E, J-TE-F, J-TE-G, J-TE-H, J-OH-A, Jork 9, Pajam 1, Pajam 2, Burgmer M. 9-751, and Burgmer M. 9-984) were tested in two experimental orchards established in the Research and Breeding Institute of Pomology Holovousy using scion cultivars Golden Delicious, Melrose, Jonagold, Rubin, and Florina. Following characteristics were recorded: yield, trunk circumference, suckering. Rootstocks Jork 9, Pajam 1, Pajam 2, M. 9-751, and M. 9-984 produced better results than original rootstock M. 9. Clone J-TE-E favourably affected fruit-bearing of the Rubin cultivar. The growth vigour of trees grafted on Pajam 2, M. 9-751, and M. 9-984 was somewhat larger than those on M. 9. Rootstock J-TE-H was semi-vigorous and grafted trees had low yield efficiency. Clone Pajam 1 had the similar growth vigour as M. 9. Trees on Jork 9 grew significantly weakly in comparison with M. 9. The rootstocks J-OH-A and J-TE-F produced a lot of suckers. The following rootstocks were recommended for growing in commercial plantations: Jork 9, Pajam 1, Pajam 2, M. 9-751, and M. 9-984.
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