Diseases & Disorders
Featured stories covering diseases and disorders appear in this issue.
Photos courtesy of kerik cox, cornell university
Growers producing apples in the cool, damp northeast quadrant of the United States need to take a step-by-careful-step [...]
Washington State University’s apple breeder, Dr. Kate Evans, is not recommending that the university release another variety for at least a year or two.
The cool weather of 2010 highlighted a growing concern about little cherries showing up in some orchards. Follow-up testing by Washington State University confirmed [...]
Glory, a chance seedling discovered at Stemilt Hill, is a large, firm, sweet cherry that ripens after most other varieties.
Photo by Howard Floyd
Coordinators of a migrant education program in Yakima, Washington, are hoping that fruit growers will encourage their employees and their families to take part.
John Carter crowned king
The Dalles, Oregon, cherry grower John Carter was named 2010 Cherry King during the annual Cherry Institute meeting held in [...]
To achieve a yield of 50 to 70 bins per acre, the canopy of a new orchard must be established by the third season [...]
Top: The russet-resistant Smoothee, discovered in 1958, is the widest planted strain of Golden Delicious in the United States. Photo courtesy of Willow Drive [...]
Because of an increasingly competitive U.S. market, the salvation of the Washington apple industry will be overseas markets, and the industry will need to [...]
Apple growers in the Midwest who stuck by the “old ways” of applying fungicides have not faced the problem of apple scab becoming resistant [...]
Todd Fryhover, president of the Washington Apple Commission, is concerned about a possible decrease in federal funding for export promotions.
Photo by Geraldine Warner
When apple breeders in New Jersey, Indiana, and Illinois came together in 1926 to form the Purdue-Rutgers-Illinois university collaboration called PRI, their number-one goal [...]
The evaluation and commercialization process
Phase 1: Initial seedling selection and evaluation by WSU
Phase 2: Small-scale on-farm trials with five trees at [...]
Disease organisms invade injured tissue and develop cankers that release spores. Some red strains of McIntosh are susceptible, for reasons unknown, to opportunistic diseases [...]
Washington growers can now obtain licenses to plant WA 2 on a commercial basis. WA 2 is the first apple variety from Washington State [...]
Vineyardists in the Pacific Northwest have been relatively lucky regarding the number of grape diseases they have to worry about. But recent experiences indicate [...]
Symptoms of grape fanleaf disease (shown on the leaf on the left) include vein banding and yellowing, possibly resembling herbicide-damaged leaves. [...]
Recent Washington State grower experiences of finding disease in a vineyard planted with certified stock have highlighted the weaknesses of state plant health certification [...]
Within the next two years, Cornell University plant pathologist Herb Aldwinckle hopes scientists and the tree fruit nurseries will have solved the problems of [...]