Field Susceptibility of Apple Cultivars to Scab, Venturia Inaequalisand Powdery Mildew, Podosphaera Lencotrichain a Cool, Humid, Climate

Authors

  • Robert A. Norton Author

DOI:

https://doi.org/10.71318/apom.1981.35.1.2

Abstract

Since 1963 approximately one hundred apple cultivars and advanced breeding selections have been evaluated at Northwestern Washington Research and Extension Unit, located 65 miles north of Seattle adjacent to the Pacific Ocean. A 1972 report (3) describes disease susceptibility and general horticultural characteristics of 68 cultivars. Many of these cultivars have been discarded and others added. This report presents subjective disease ratings, based on annual observations of natural infection in the field from 1972-1979.

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Published

1981-01-01

Issue

Vol. 35 No. 1 (1981)

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How to Cite

Field Susceptibility of Apple Cultivars to Scab, Venturia Inaequalisand Powdery Mildew, Podosphaera Lencotrichain a Cool, Humid, Climate. (1981). Journal of the American Pomological Society, 35(1), 2-5. https://doi.org/10.71318/apom.1981.35.1.2