关键词: 马铃薯, 冬作区, 品种

Abstract: The new potato cultivar‘Minshu 2’was bred from the hybrid offspring of‘Golden Crown’ב389746.2’. Its growth period is 89 days. The plant is erect，which stem is thick. The average number of tubers per plant is 5，the commercial rate is 87.15%，the tuber shape is short-oval，the tuber skin is medium yellow，the flesh is medium yellow, and the eye depth is shallow. It tastes good. Its dry matter content is 17.78%，protein 10.6%（dry），total potassium 2.43%（dry），vitamin C 0.28 mg ? g-1，reducing sugar 5.6 mg ? g-1. It is moderatly resistant to PVX，PVY and early blight，moderately susceptible to late blight. The average yield is 30 019 kg ? hm-2. It is suitable for winter planting in south China.

Key words: potato, winter planting area, cultivar