Origin: in Parlier, Calif., by J.F. Doyle and T.M. DeJong. Open-pollinated seedling ofU.C. selection 11,15-27 = [openpollinated seedling of U.C. selection 15-16 (= Burton × Yakima)]; cross made in 1985; tested as KACS-6-38. Plant patent 8188; 30 Mar. 1993. Tree: very vigorous; large; upright to upright-spreading; very productive, regular bearer. Not highly self-fertile; successfully pollinized by French Prune; blooms 1 to 3 days before French Prune. Should be propagated on plum rootstock, preferably Marianna, not on peach. Fruit: uniform; very large, 55 mm in diam., 71 mm long; oblong to oval; skin dark blue with waxy gray bloom; amber flesh; heat tolerant. Excellent fresh fruit; pit cling to semi-cling, 37-40 × 19 to 21 × 12-15 mm.
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