Volume 9 Number 1 Article 3 Pages: 12-13
Year 1954 Month 4
Title: Apple Breeding for Scab Resistance
Authors: D.F. Dayton, J.R. Shay and L.F. Hough
Citation
Abstract:
New apples similar in type to currently
popular varieties but immune to apple
scab (Venturia inaequalis), would materially
strengthen apple produGtion in the
northeastern quarter of the U nit e d
States and its fringe area, and in many
other production areas of the world.
Such
varieties appear to be attainable.
The
basis for this statement is the progress
made in the past seven years by the
joint efforts of fruit breeders and pathologists
to evaluate the resistance of Malus
species of oriental origin, and hybridize
them with commercial apple varieties.
A
substantial number of the flowering crabs
introduced fifty or more years ago from
Japan and China for ornamental purposes,
contain one or more major genes
which confer field immunity to the common
apple scab strains occurring in the
United States, Canada, Europe and Australia.
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