Status of Virus-Tested RubusCultivars in the USDA Research Collection
DOI:
https://doi.org/10.71318/apom.1988.42.1.14Abstract
The status of the Rubuscultivars in the USDA Agricultural Research Service research collection at Corvallis, Oregon was evaluated in 1987 with respect to virus and viruslike disease. Thirty-four of 35 blackberry cultivars; 9 of 111 black raspberry cultivars and 44 of 57 red and purple raspberry cultivars were found to be free of recognized virus and viruslike diseases when tested by a combination of sap inoculation, leaf grafting and serology.
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