Volume 48 Number 1 Article 28 Pages: 54-56
Year 1994 Month 1
Title: Evaluation of Four New Scab-Resistant Apple Varieties
Authors: I.A. Merwin, D.A. Rosenberger and C. Engle
Citation
Abstract:
The Northeast USDA-SARE projects
for low-chemical-input apple production include more man 3500 diseaseresistant
apple trees (Malus domestica),
representing 30 varieties planted during
1989 and 1990 at 47 different sites
located throughout the northeastern
USA. The apple scab (Venturia inaequalis)
resistant cultivars (SRCs) and
advanced selections in these projects
originated in three North-American
apple breeding programs of the Mid
west, Northeast, and Canada.
Since
the climates, soils, pest complexes,
commercial apple industries and markets differ substantially across these
three regions, a primary objective of
the four SRC projects has been the
evaluation of these new varieties under
diverse growing conditions.
Another
priority nas been the evaluation of
non-chemical weed control systems,
in order to develop reduced chemicalinput
systems consistent with the minimal fungicide requirements of SRCs.
In this report we summarize recent
results from some of the New York
studies in the regional SARE projects.
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