Volume 51 Number 2 Article 22
Year 1997 Month 4
Title: Performance of ´Mutsu` on Mac.9 and M.9 Interstem Over Nine Years
Authors: D.C. Ferree and J.C. Schmid
Abstract:
'Mutsu' on MAC.9, M.9/MM.106 and M.9/MM.111 (30 cm interstems) were planted in 1983. Trees on
MAC.9 made less growth throughout, and after 9 years had 65% smaller TCAs and approximately 40%
smaller spread and neights than either interstem.
There was no difference in production efficiency (cumulative yield ÷ TCA) and due to larger tree size, interstem trees had higher cumulative yields/tree.
Average
fruit size was not influenced by rootstock or interstem.
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