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1.品种来源 1996年以SL-01作母本、豫薯7号作父本进行有性杂交,并从后代中选育出该品种。2003年3月26日通过全国甘薯鉴定委员会专家鉴定,定名为商薯19(原系号SL-19)。2.主要特征特征顶叶色微紫,地上部其他部位均为绿色。叶形心脏形带齿。蔓长1～1.5米,基部分枝8个左右,顶
1. Variety Sources In 1996, SL-01 was used as the female parent and Yushu 7 as the male parent for sexual crosses. The variety was selected from the offspring. March 26, 2003 through the National Appraisal Committee identification of sweet potato, named as commercial potato 19 (the original number SL-19). 2. The main characteristics of the characteristics of the parietal color purple, other parts of the ground are green. Leaf-shaped heart-shaped toothed. Man grow 1 to 1.5 meters, 8 branches around the base, the top