Volume 55 Number 2 Article 19
Year 2001 Month 4
Title: Observations on the Susceptibility of Japanese Apple Cultivars and Rootstock Selections to Fire Blight
Authors: H. Bessho, S.K. Grown, J.L. Norelli, H.S. Aldwinkle, and J.N. Cummins
Abstract:
Apple cultivars and rootstocks were evaluated for susceptibility to fire blight following controlled
inoculation with Erwinia amylovora.
Most of the × Japanese apple cultivars tested were susceptible to
fire blight, but 'Himekami' was intermediate.
Most of the × Morioka rootstock selections and the × Cornell University rootstock selections tested had levels of resistance similar to, or greater than, that of
Mailing 7 (M.7).
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