Resistant varieties could be particularly interesting for organic growers. Washington State University is evaluating three powdery mildew-resistant cherry selections in grower trials. The industry is eagerly awaiting their release, but cherry breederDr. Nnadozie Oraguzie says he needs to collect more data on fruit quality before going forward. The advanced selections have shown no symptoms of mildew even in unsprayed plots at WSU's Irrigated Agriculture Research and Extension Center at Prosser.
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