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为选育出适合常德冬闲田种植的早熟、高产、优质马铃薯新品种,特引进中薯系列、克新系列等12个马铃薯新品种进行区域适应性试验,以费乌瑞它和东农303为对照,对各品种生育期、农艺性状、抗病性、产量、商品率以及市场需求等因素进行综合评价。结果表明,中薯5号、兴佳2号、中薯20号和中薯1号品种表现突出,生育期短、产量高、抗病性强,适合在常德市冬闲田种植;其中以中薯5号的综合表现最好,生育期62d,较抗晚疫病,块茎整齐,扁圆型,芽眼浅,商品薯率85%以上,产量达2073.3kg/667m2,非常适合在常德市冬闲田大面积推广种植。
In order to breed new varieties of early maturing, high yield and good quality potato suitable for Changde winter fallow field cultivation, 12 new potato varieties such as Zhongshu series and Kexin series were specially introduced to carry out regional adaptability test. Taking Feirui and Dongnong 303 as Control, the variety of growth period, agronomic traits, disease resistance, yield, commodity rate and market demand and other factors comprehensive evaluation. The results showed that Zhongshu 5, Xingjia 2, Zhongshu 20 and Zhongshu 1 showed outstanding performance with short growth period, high yield and strong disease resistance, and were suitable for planting in winter fallow field in Changde. Among them, The comprehensive performance of No.5 was the best, with a growth period of 62d, which was more resistant to late blight, tuber neat, oblate, shallow eyes and more than 85% of potato products with a yield of 2073.3kg / 667m2. Promote planting.