Volume 42 Number 1 Article 7 Pages: 24-28
Year 1988 Month 1
Title: Comparison of Early Performance and Fire Blight Susceptibility of 12 Early Season Apple Cultivars
Authors: D.C. Ferree, R.C. Funt and C.K. Chandler
In 1981,12 cultivars of early season apples on
M.9/MM.106 or M.9/MM.111 interstems were
established at 2 locations in southern Ohio.
influence of the rootstocks on tree performance
were minimal, with trees on M.9/MM.111 being
slightly smaller and having lower yields and
yield efficiency at Ripley.
No rootstock dif
ferences were expressed at Jackson. 'Discovery'
and 'Akane' were tardy in coming into produc
tion and had low yields compared to other
Highest yielding cultivars were 'Ozark
Gold,' 'Gala,' and 'Earliblaze' and these culti
vars also tended to have relatively high pro
ductive efficiecy by yield per trunk cross-sec
tional area. 'Jonamac' in both plantings tended
to be small, efficient trees with good fruit
Severe fire blight infections occurred in
While 'Viking' showed very
little infection, the following cultivars exhibited
severe infection in one or both plantings: 'Tydemans
Red,' 'Discovery,'' Paulared,' 'Earliblaze,'
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