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该品系是甘肃省农科院粮作所于1965年以Cornelia(卡恩那)为母本,长薯四号作父本进行有性杂交,从其实生苗后代中经多年选育而成的。经在本省多点试验示范,表现具有早熟,高产稳产,抗病毒病,淀粉含量高,龙葵碱含量少,适口性好等优良特性。一般亩产3000——4000斤,高的达5000斤以上,比对照一般增产在10——80％以上。适宜在我省高寒阴湿地区种植,也可在灌区复种、套种,干旱地区多数也表
The line is Gansu Provincial Academy of Agricultural Sciences in 1965 by the Institute of Cornelia (Kahna) as the female parent, Changshu IV parental sexual hybrids, in fact, from the offspring of seedlings after years of breeding . After more demonstration and demonstration in our province, it shows the characteristics of early maturity, high and stable yield, anti-virus disease, high starch content, low content of solanine and good palatability. General mu produce 3,000 - 4000 kg, up to 5000 pounds more than the general increase in the control of 10 - 80% or more. Suitable for planting in the alpine wetlands in our province, but also in the irrigated area of multiple cropping, interplanting, most of the arid areas also