Performance of ‘McIntosh’ on 14 Rootstocks
DOI:
https://doi.org/10.71318/apom.1987.41.4.150Abstract
‘McIntosh’ performance over 10 years on selected rootstocks from the Ottawa, Budagovski and Malling series are compared. All trees on KS23 died over several years exhibiting collar rot type symptoms. Trees on Ottawa 11 were the largest and had the lowest productive efficiency. Trees on Ottawa 8 were slightly larger than trees on M.26 and were more efficient than the other rootstocks producing semi-standard trees. Ottawa 3 resulted in small efficient trees similar to those on M.9 and M.26. Trees on Bud 490 were larger than on Ottawa 8, and smaller than on Ottawa 11 and were not as efficient as Ottawa 8 and the other more dwarfing rootstocks (M. 8, M.9, M.26, M.27, Ottawa 3).
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