优质紫肉食用型甘薯新品种万紫薯11的选育研究

Breeding of New High-Quality Purple Flesh Food-Use Sweetpotato Variety Wanzishu 11

万紫薯11是重庆三峡农业科学院2011年以徐薯22集团杂交后代中选育出的鲜食紫肉型甘薯新品种,平均鲜薯产量30.89 t/hm^(2),薯形纺锤形,薯肉中等紫色,单株结薯数3.3个,上薯率78.19%,薯块干物质率32.16%,淀粉率21.62%,花青素每100 g鲜薯含9.90 mg.该品种抗蔓割病,中抗黑斑病、茎线虫病和根腐病,综合评价抗病性较好,薯块食味品质较优,萌芽性较好.

Wanzishu 11,a new fresh-eating purple sweetpotato variety was selected from the hybrid offspring of Xushu 22 Group by Chongqing Three Gorges Academy of Agricultural Sciences in 2011.The average fresh potato yield is 30.89 t/hm^( 2).The root-tuber is spindle shaped with medium purple colored flesh.The number of root-tubers per plant is 3.3,the rate of potato filling is 78.19%,the rate of dry matter in root-tubers is 32.16%,the content of starch is 21.62%and the content of anthocyanin is 9.90 mg/100 g.The variety is resistant to vine cut disease,moderately resistant to black spot,stem nematode and root rot.Comprehensive evaluation showed that the disease resistance is good.Wanzishu 11 has better eating quality and better germination.