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Grape Variety: Thompson Seedless

Variety Name Thompson Seedless
TTB Approved Name(s) Thompson Seedless (Sultanina)
Common Synonyms Sultana, Sultanina, Sultaniye
All Synonyms Ak Kishmish, Avtobi, Banati, Banati Abyad, Bealo Bez Seme, Bealo Sultana, Bedona, Beneti blanc, Bidaneh, Cekirdeksiz, Cekirdeksiz Yuvarlak, Cekirdeksiz Sultani, Cekirdeksiz Topan, Cekizdecsis, Couforago, Erevane Zheltyi, Erevani Degin, Feher Szultanszoeloe, Feherszultan, Kechmish Jaune, Kichmichi, Kis-Mis-Alb, Kishmish Alb, Kishmish Belyi, Kishmish Belyi Ovalinye, Kishmish Dolgii, Kishmish Gidra, Kishmish Indiskii, Kishmish Kryglyi, Kishmish Ovalnyi, Kishmish Safet, Kishmish Safid, Kishmish Safy, Kishmish Zheltyi, Kismis, Kismis Belii Ovalnti, Kismisi Beyaz, Kouphorrogo, Maisi, Maizi, Oval Kishmish, Pusa Seedless, Razakia, Roumined, Saru Kishmish Sultanie, Shendel Khani, Si In Pu Ta, Sin Pepita, Sin Semilla, Soultanina, Staphida Aspre, Sultana, Sultani Beyaz, Sultani Cekirdeksiz, Sultanina, Sultani Sirihi, Sultanine blanche, Sultaniye, Sultaniye Kinalyi, Summit, Tsimpimpo, Uva de Passa, Wuhebai
Countries of Origin Turkey
Species Vitis vinifera
References
Berry Color White
Uses Concentrate,Raisin,Table,Wine
Comments This cultivar is the most widely planted light-skinned variety in the world and is rarely used for wine. In California, massive plantings are used primarily for raisins. Robinson et al., 2012, WINE GRAPES, p. 1016-1017.

Thompson Seedless PhotosClick photo to enlarge

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Thompson Seedless Selections

Information about:          Selection Numbers     |     Registration Status
  Thompson Seedless 02A
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 Thompson Seedless 01A (Latter Day Saints vineyard, Fresno, California)
Treatments Heat treatment 91 days
Comments This selection came to Foundation Plant Services around 1960 from a vineyard in Fresno, California. After basic index testing, the selection was planted in the old foundation vineyard in 1961 as Thompson Seedless 01A. Thompson Seedless 01A underwent heat treatment for 91 days at FPS in 1963. The new material was tested and released as Thompson Seedless 02A in 1964. Thompson Seedless 02A underwent microshoot tip tissue culture therapy at FPS in 2011 to qualify for the Russell Ranch Foundation Vineyard (see Thompson Seedless 02A.1).

  Thompson Seedless 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 Thompson Seedless FPS 01A (Latter Day Saints' vineyard in Fresno, California)
Treatments Heat treatment 280 days /nurse bud on LN33
Comments This selection came to Foundation Plant Services around 1960 from the Latter Day Saints' vineyard in Fresno, California. After completion of basic index testing, the selection was planted in the old foundation vineyard in 1961 as Thompson Seedless 01A. Thompson Seedless 01A underwent heat treatment for 280 days in 1973. The new material was tested and planted in the foundation vineyard in 1976 as Thompson Seedless 05. Thompson Seedless 05 underwent microshoot tip tissue culture therapy in 2011 and has qualified for the Russell Ranch Foundation Vineyard (see Thompson Seedless 05.1).

  Thompson Seedless 07
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 Thompson Seedless FPS 06 (CSIRO H5 ScHs,Victorian Plant Research Institute, Burnley, Victoria, Australia)
Treatments Heat treatment 83 days; microshoot tip tissue culture therapy
Comments This selection was imported to Davis in November, 1970, from the Victorian Plant Research Institute, Burnley, Victoria, Australia (USDA Plant Identification no. 364291. The clonal designation was CSIRO (Commonwealth Scientific Industry Research Organization) H5 ScHs. The original material underwent heat treatment for 83 days. After completion of index testing, the selection was planted in 1975 in the old FPS foundation vineyard and the Tyree Vineyard, a vineyard on the UC Davis campus managed by the UC Davis Department of Viticulture & Enology. The heat treated material was known as Thompson Seedless 06. Former University of California Viticulture Extension Specialist Pete Christensen recommended that this selection be cleaned up for the state certification program. The heat treated material then underwent microshoot tip tissue culture therapy in 1996. Two new selections were created in this process - Thompson Seedless 07 and 08. After successful completion of testing for the California Grapevine Registration & Certification Program, the newly treated Thompson Seedless 07 and 08 were planted in the FPS Classic Foundation Vineyard in 2000.

  Thompson Seedless 08
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.
Protocol 2010 Qualifies for Protocol 2010.
Source Thompson Seedless 06 (Victorian Plant Research Institute, Burnley, Victoria, Australia)
Treatments Heat treatment 83 days; microshoot tip tissue culture therapy
Comments This selection was imported to Davis in November, 1970, from the Victorian Plant Research Institute, Burnley, Victoria, Australia (USDA Plant Identification no. 364291. The clonal designation was CSIRO (Commonwealth Scientific Industry Research Organization) H5 ScHs. The original material underwent heat treatment for 83 days. After completion of index testing, the selection was planted in 1975 in the old FPS foundation vineyard and the Tyree Vineyard, a vineyard on the UC Davis campus managed by the UC Davis Department of Viticulture & Enology. The heat treated material was known as Thompson Seedless 06. Former University of California Viticulture Extension Specialist Pete Christensen recommended that this selection be cleaned up for the state certification program. The heat treated material then underwent microshoot tip tissue culture therapy in 1996. Two new selections were created in this process - Thompson Seedless 07 and 08. After successful completion of testing for the California Grapevine Registration & Certification Program, the newly treated Thompson Seedless 07 and 08 were planted in the FPS Classic Foundation Vineyard in 2000.

  Thompson Seedless 09 Top
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.
Protocol 2010 Qualifies for Protocol 2010.
Source Kearney Agricultural Center in Parlier, California
Treatments Microshoot tip tissue culture therapy
Comments This selection came to Foundation Plant Services in 1996 from the University of California, Kearney Agricultural Center in Parlier, California. The plant material, assigned the name B7-7, was under evaluation at KAC by former Viticulture Extension Specialist Pete Christensen. The original material underwent microshoot tip tissue culture therapy at FPS in 1996. After successful completion of testing for the California Grapevine Registration & Certification Program, the material was planted in the FPS Classic Foundation Vineyard in 2003 as Thompson Seedless 09.