The red variety is an interspecific new breed between Bailey x Golden Queen, They are genes of Vitis labrusca. Vitis lincecumii and Vitis vinifera contain. The intersection of hybrid was done by Zenbai Kawakami (1868-1944) in Niigata (Honshu) in Japan. The cultivated in Thailand variety Pokdum is a mutation, The variety was crossing partner in the new breed Cabernet Suntory, The very late ripening vine is prone to Botrytis, It is mainly called table grape but especially in some Asian countries Japan also used as Keltertraube. Here occupied in 2010 a total of 469 hectares of vineyards (Kym Anderson ). There are more surfaces in Thailand here as a pokdum (17 ha), Vietnam and Cambodia.
Source : Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012
Pictures : Ursula Bruehl, Doris Schneider, Julius Kühn Institute (JKI)