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Relative Susceptibility of Selected Apple Cultivars to Cedar Apple Rust and Quince Rust

A. R. Biggs, D. A. Rosenberger, K. S. Yoder, R. K. Kiyomoto, D. R. Cooley, and T. B. Sutton

October 2009

Research

In 1994, a regional project called NE-183 was initiated in 18 states and two Canadian provinces to examine the performance of new apple cultivars in replicated trials under a wide range of climatic and edaphic conditions. A primary objective of the NE-183 project was to evaluate horticultural qualities and pest and pathogen susceptibility of new apple cultivars, strains, and advanced selections with commercial potential and to determine the limitations and positive attributes of these cultivars. This study reports relative susceptibility of new apple cultivars and selections to G. juniperi-virginianae and G. clavipes.

doi:10.1094/PHP-2009-1014-01-RS

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