‘Suok’ (‘Kyoho’ × ‘Beniizu’) is a tetraploid (4×) table grape cultivar showing large berries with high quality. ‘Suok’ has a mean bud burst on 17 Apr., flowering on 31 May, and fruit maturity on 15 Sept. The mean berry weight is 10.9 g, and mean soluble solids are 18.5 °Brix. The skin color is black with abundant bloom and the flesh is soft and juicy.
LeeD.K.SuhH.S.ParkK.S.LeeC.H.MoonJ.Y.YaeB.W.HwangH.S.KimJ.H.KimJ.C.LeeJ.C.KimY.K.1994‘Cheongsoo’ a new mid-season ripening table grape cultivar with high qualityKor. J. Hort. Sci. Technol.12144145(abstr.).
ParkK.S.YunH.K.SuhH.S.JeongS.B.ChoH.M.2004aBreeding of early season grape cultivar ‘Tamnara’ (Vitis hybrid) with high quality and disease resistanceKor. J. Hort. Sci. Technol.22458461
ParkK.S.YunH.K.SuhH.S.JeongS.B.ChoH.M.2004bBreeding of black table grape cultivar ‘Heukgoosul’ (Vitis sp.) with large berries and high qualityKor. J. Hort. Sci. Technol.22462466
SuhH.S.LeeD.K.ParkK.S.LeeJ.S.MoonJ.Y.KimJ.H.KimS.B.KimY.K.1995High quality early season grape cultivar ‘Hongdan’ for off-season fresh marketKor. J. Hort. Sci. Technol.13188189(abstr.).