优质抗病甘薯新品种‘福薯90号’的选育

Breeding of Highly Fusarium Wilt-resistant Sweet Potato,Fushu 90

为了满足福建省不同生态区域对优质、抗病甘薯新品种的需求，福建省农业科学院作物研究所与福建省农业科学院中心实验室于2007年以兰葡萄×南薯88杂交选育而成福薯90号。经过多点试验、省区域试验和生产试验，于2014年5月通过福建省农作物品种审定。该品种生育期135～150 d，株型中长蔓半直立，叶色绿带紫，叶型心带齿，茎紫色，薯块纺锤形，薯皮红色，薯肉黄色；单株结薯数2～5个，鲜薯产量41004．45 kg·hm^－2，薯干产量10694．1 kg·hm^－2，淀粉产量6695．85 kg·hm^－2；干物率25．99％，出粉率16．25％，食味评分80．9分，外观评分82．0分；薯块萌芽性好，较耐贮藏，高抗蔓割病。福薯90号属高产、优质、抗病新品种，适宜在福建省大面积推广应用。

There was a demand for disease resistant sweet potatoes for different ecological areas in Fujian.As a result,Fushu 90 was bred by crossing Lanputao and Nanshu 88,which has passed the provincial registrations in 2014. The new variety had a growth period of approximately 135-150 days,a plant type suitable for the area,and the heart-shaped green leaves tinted with purple stripes and saw-like edge,the purple stems,and the spindle-shaped tubers with red skin and yellowish flesh that were appealing to the consumers.On average,each individual plant bore 2 to 5 tubers with a production rate of 41 004.45 kg·hm^-2 ,or 10 694.1 kg dry matters ·hm^-2 （i.e., 25.99% dry matters in tuber）and 6 695.85 kg starch·hm^-2 （i.e.,16.25% starch content in tuber）.In sensory evaluation,Fushu 90 scored 80.9 on taste,and 82.0 on appearance.The sweet potatoes had a desirable storage property and high budding rate.It also exhibited a high resistance to fusarium wilt.Thus,Fushu 90 was recommended for promotion in Fujian.