usda national clonal germplasm repository

The USDA National Clonal Germplasm Repository in Corvallis, Oregon maintains, among other things, the world collection of Ribes cultivars as well as their wild counterparts. The genus Ribes includes currants, gooseberries, and jostaberries (a black currant-gooseberry cross). Ribes species are native to the Northern Hemisphere, and in cooler, shorter-growing-season climates such as Canada, the United […]

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Henry and I made what’s becoming an annual visit to the USDA Clonal Germplasm Repository in Corvallis about a week ago. (You can see/read about last year’s visit here.) Our neighbor Joseph Postman, a plant pathologist, works there and offered to tour us around. I was itching to harvest some quince, but Henry wanted to check out some […]

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