四川秦巴山区马铃薯新品种引进筛选

Introduction and Screening of Potato Varieties in Qin-Ba Mountain Area in Sichuan Province

通江县是四川秦巴山区传统马铃薯种植县,但目前当地的主推品种以费乌瑞它为主,为改变产区种植品种单一、类型单一的局面,按薯肉颜色分组引进16个品种开展比较试验。结果表明,白黄色组,兴佳2号2年平均产量41411kg/hm^2,浅黄心早熟品种,晚疫病抗性一般;空山175产量32051kg/hm^2,白心中熟品种,晚疫病抗性差。紫色组,蓉紫芋5号2年平均产量22999kg/hm^2,中熟品种,晚疫病抗性一般。红色组,红美2年平均产量18717kg/hm^2,中熟品种,晚疫病抗性一般。上述品种可在通江县推广。

Tongjiang county is a traditional potato-growing county in Qin-Ba Mountain area in Sichuan province while the main popularized potato variety in local is Favorita.In order to change the situation of single variety and single type in potato planting,the comparative experiment of 16 potato varieties that were grouped by tuber flesh color were conducted.The results showed that:In white-yellow group,the 2 year agerage yield of Xingjia 2 was 41411 kg/hm^2,the tuber flesh was buff,early maturity and general resistance to late blight;the yield of Kongshan 175 was 32051 kg/hm^2,the tuber flesh was white,mediun maturity and poor resistance to late blight.In purple group,the 2 year agerage yield of Rongziyu 5 was 22999 kg/hm^2,medium maturity and general resistance to late blight.In red group,the 2 year agerage yield of Hongmei was 18717 kg/hm^2,medium maturity and general resistance to late blight.The above varieties can be genralized properly in Tongjiang county.