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Grape Variety: Calzin

Variety Name Calzin
TTB Approved Name(s) Calzin
All Synonyms California Oakville 4, California G22-2
Countries of Origin USA
Species Vitis vinifera
Breeder H.P. Olmo
Institution Calif. Agr. Expt. Stn. (Davis, CA)
Year Released 1958
Pedigree Zinfandel x Refosco
References
Berry Color Black
Uses Wine, table, raisin

Calzin PhotosClick photo to enlarge

                     

Calzin Selections

Information about:          Selection Numbers     |     Registration Status
  Calzin 02
Registration Status Registered Registered is the ultimate status in the California Department of Food & Agricultures Grapevine Registration & Certification Program. Registered selections have successfully completed all disease testing required by the regulations. Registered selections have also been confirmed as true to variety by experts using visual observations, DNA-based testing or both.
Source vine 12, Oakville Experimental Vineyard, Oakville, California
Treatments None
Comments Breeder = Harold P. Olmo

  Calzin 02.1
Registration Status Provisional Provisional Status is an important term used in the regulations of the California Department of Food & Agriculture's Grapevine Registration & Certification Program. Grapevine selections with Provisional Status have successfully completed all required disease testing, but have not been confirmed as true to variety. Propagation material from Provisional selections qualifies for release subject to the understanding on the part of the customer that the identity has yet to be confirmed.
Protocol 2010 Qualifies for Protocol 2010.
Treatments Tissue Culture Excision
  Calzin 05
Registration Status Registered Registered is the ultimate status in the California Department of Food & Agricultures Grapevine Registration & Certification Program. Registered selections have successfully completed all disease testing required by the regulations. Registered selections have also been confirmed as true to variety by experts using visual observations, DNA-based testing or both.
Source vine 12, Oakville Experimental Vineyard, Oakville, California
Treatments Heat treatment 134 days
Comments Breeder = Harold P. Olmo