Volume 46 Number 2 Article 13
Year 1992 Month 4
Title: Performance of 'Cortland' and 'Mclntosh' on Fourteen Rootstocks in Quebec
Authors: R. L. Granger, G. L. Rousselle, M. Meheriuk, and S. Khanizadeh
Abstract:
'Cortland', Imperial Mclntosh' and 'Macspur Mclntosh' were evaluated over a 10-year period
on the following rootstocks: M.26 EMLA, M.4
EMLA, M.7 EMLA, 'Mclntosh' seedling,
MM.106, MM.lll, Ottawa hybrid (OH)-3, Ottawa (Ott.) 3, Ott.5, Ott.7, Ott.8, Ott.ll, Ott.12
and Malus robusta 5. Scion cultivars on M.26
EMLA and Ott.3 were smaller than scion cultivars on all other rootstocks and tended to be
more yield efficient than those on most other
rootstocks.
Root suckers were most prevalent
on M.7 EMLA and Ott.8 rootstocks.
Fruit size
was largest on M.26 EMLA and generally smaller
in 'Mclntosh' than in 'Cortland.'
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