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为加快马铃薯脱毒微型种薯生产技术,在国家科委召开的研讨会上,天津市蔬菜所繁育的与良繁体系配套的“津引薯一号”,被认为早熟、丰产、抗病,经济效益高,可以大面积推广应用。津引薯一号源于美国,是一个极早熟品种。株高约45厘米,直立型,分枝少,叶大色黑,根系发达,生长势强,极少开花。薯皮浅粉色,肉白,芽浅,品质上乘,结薯整齐集中,商品率高。生育期85～90天,休眠期短,耐盐碱。
In order to speed up the production technology of potato virus-free microtuber production, at the seminar held by the State Science and Technology Commission, “Tianjin Yushu No.1,” which is bred by the vegetable breeding institutes in Tianjin, is well known for its early maturity, high yield, disease resistance, High economic efficiency, can promote large-scale application. Tianjin lead potato one from the United States, is a very early maturing varieties. Plant height of about 45 cm, upright, less branching, dark green leaves, root system developed strong growth potential, rarely flowering. Sweet potato skin pink, white meat, light buds, high quality, tuber neatly concentrated, commodity rate. Growth period of 85 to 90 days, short dormancy, salinity.