红薯是我区仅次于水稻、玉米的主要粮食作物,增产潜力大,用途广。选用红薯良种,是提高单产、发展生产的措施之一。近年来,我室在红薯良种选育工作中,经过比较鉴定,初步选出一个较好的品系“桂72—105”,可供各地试种、推广。一、来源:一九七一年我室用“华北48”与“韭菜薯”经有性杂交选育而成。二、产量及抗性表现;据多年来院内试 Sweet potato is my area second only to rice, corn, the main food crops, yield potential, wide range of uses. Selection of sweet potato varieties, is to improve yields, the development of production one of the measures. In recent years, my room in the sweet potato seed breeding work, after comparative identification, initially selected a better line “Gui 72-105”, for all local trials, promotion. First, the source: In 1971, I use “North China 48” and “chives potato” through sexual cross breeding. Second, the yield and resistance performance; According to years of hospital trials