马铃薯新品种宕薯5号选育报告

Breeding Report of A New Potato Variety Tanshu 5

马铃薯新品种宕薯5号是以秦芋30号为母本,克新4号为父本,通过有性杂交选育而成。在2009—2010年甘肃省区域试验中,折合平均产量20 737.5 kg/hm2,较对照品种陇薯6号增产51.8%。该品种高产、稳产、抗旱、适应性强,中抗晚疫病,对花叶病毒和卷叶病毒有一定的田间抗性。块茎含干物质22.1%、淀粉17.5%、粗蛋白2.52%、维生素C 13.35 mg/100 g、还原糖3.05%。适宜在甘肃省定西市、天水市、临夏州以及静宁县、宕昌县等干旱、半干旱、二阴区及同类生态区域推广种植。

Tanshu 5 was a new potato variety bred by crossing with the parental combination of Qingyu 30/Kexin 4. In 2009-- 2010, the average yield of Tanshu was 20 737.5 kg/hm2 and 51.8% higher than the check Longshu 6 in Gansu regional test. The results showed that Tanshu 5 was high-yielding, stable yield, drought resistance, strong adaptability, moderate resistant to late blight, and it had certain field resistance to mosaic virus and leaf curl virus. The results also indicated that tubers of dry matter, starch, crude protein, vitamin C and reducing sugar were 22.1%, 17.5%, 2.52%, 13.35 rag/100 g and 3.05%, respectively. It is suitable to plant in the region of Dingxi,. Tianshui, Linxia and Jingning, Tanchang of arid, semi-arid and two overcast district of and other similar ecological areas.