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脱毒薯无花是河北省张家口地区坝上农科所选育成功的。该品种经山东、北京、河北、黑龙江等多地多点试验结果表明:产量高、薯块大、性状好、品质好。 1.品种特性该品种生育期85～90天,株高75厘米,茎深绿色,分枝中等;叶色浓绿,复叶肥大,花冠小、白色,一般不开花;薯块椭圆形,薯皮黄色且光滑,芽眼少、浅,薯肉黄色,结薯集中;薯块商品率高,淀粉含量14％～15％;病毒病退化类型单一,对晚疫病具有田间抗病性。 2.产量表现脱毒薯无花产量试验结果表明,不同地区平均亩产分别为:北京地区3750公斤;河北省2218.5公斤;
Virus-free potato flowers in Zhangjiakou, Hebei Province, the success of selection and breeding of the dam. The varieties by Shandong, Beijing, Hebei, Heilongjiang and many more test results showed that: high yield, large potato, good traits, good quality. 1. Variety characteristics The variety of growth period of 85 to 90 days, plant height 75 cm, stem dark green, branches moderate; leaf color dark green, complex foliage hypertrophy, corolla small, white, generally not flowering; potato oval, potato Yellow and smooth skin, less buds, shallow, flesh yellow, tuber focus; potato block commodity rate is high, starch content of 14% to 15%; virus disease degradation of a single type of late blight with field resistance. Yield performance Virus-free potato yield test results show that the average yields per area in different regions were: 3750 kg in Beijing; 2218.5 kg in Hebei Province;