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‘陇薯12号’是由甘肃省农业科学院马铃薯研究所以杂交创新资源材料‘L9712-2’为母本,‘L0202-2’为父本组配杂交选育而成。该品种晚熟,生育期121 d左右。株型半直立,株高60~65 cm。茎绿色,叶绿色,花冠白色。结薯集中,单株结薯数2~5个,大中薯重率72%以上。薯块长椭圆形,淡黄皮淡黄肉,芽眼浅,薯皮略粗。薯块休眠期长,耐贮藏、耐运输。薯块平均干物质含量25.6%,淀粉含量20.1%,粗蛋白含量2.57%,维生素C含量14.98 mg/100g,还原糖含量0.106%。食味优,适合食品加工。植株田间高抗晚疫病,较抗花叶病毒病。产量达1 800 kg/667m~2以上。适宜高寒阴湿、二阴地区及半干旱地区推广种植。
’Longshu 12’ was selected from the potato research institute of Gansu Academy of Agricultural Sciences by hybrid genetic resource ’L9712-2’ as female parent and ’L0202-2’ as male parent. The variety of late maturity, growth period of 121 d or so. Plant type semi-erect, plant height 60 ~ 65 cm. Stem green, green leaves, corolla white. Concentration of tubers, tubers per plant number of 2 to 5, medium and heavy potato weight more than 72%. Potato block oval, yellowish yellowish flesh, bud eyes shallow, slightly thick potato. Potato dormancy long period, resistant to storage, resistant to transport. The average dry matter content of tubers is 25.6%, the starch content is 20.1%, the crude protein content is 2.57%, the vitamin C content is 14.98 mg / 100g and the content of reducing sugar is 0.106%. Excellent taste, suitable for food processing. Plant field resistance to late blight, anti-mosaic virus disease. Production reached 1 800 kg / 667m ~ 2 above. Suitable for cold and humid, Er Yin area and semi-arid areas to promote planting.