Volume 53 Number 3 Article 25
Year 1999 Month 7
Title: Black Currant Cultivars Newly Released from the U. S. National Quarantine
Authors: K.E. Hummer and H. Waterworth
Abstract:
Eighteen disease-tested, black currant cultivars (Ribes nigrum L.) and one jostaberry (R. × nidigrolaria
Bauer) were released in December 1998 from the U.S. National Plant Germplasm Quarantine
Office (NPGQO) in Beltsville, Maryland.
These cultivars were received at the quarantine office between 1989 and 1993 from collaborators in Poland, Russian Federation, Switzerland, and the United
Kingdom.
Foreign Ribes from Europe are prohibited to enter the United States except when processed
through this quarantine facility.
These 19 cultivars passed the rigorous Animal and Plant Health In
spection Service (APHIS) testing protocol and were released to the U.S. Department of Agriculture,
Agricultural Research Service, National Clonal Germplasm Repository (NCGR) in Corvallis, Oregon,
for long term preservation in their Ribes collection.
Plant material can be requested for research and
evaluation by contacting the Curator at the Corvallis Repository.
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