食用型紫甘薯新品种漯紫薯1号的选育

A New Purple Sweet Potato Cultivar —‘Luozishu No.1'

漯紫薯1号是以烟337为母本、冀薯98为父本杂交选育而成的食用型紫甘薯新品种,薯块纺锤形,单株结薯数3~4个,结薯整齐集中,商品薯率90%以上,熟食味好,高抗蔓割病、抗根腐病、中抗黑斑病。一般每667m^2鲜薯产量1500~2300kg,薯干产量400~650kg。花青素含量平均为134.9mg·kg^(-1),适宜在河南、河北、陕西、山西等地春夏薯区种植,已累计示范推广1300hm^2。

‘Luozishu No.1’is a new edible purple sweet potato variety developed by crossing‘yan337’as female parent and‘jishu98’as male parent.Its root tuber is of spindle shape.There are 3-4 tubers per plant with concentrate tuberization. Its commercial tuber rate is over 90%.The prepared root has good taste.It is highly resistant to Fusarium wilt and root rot,medium resistant to black rot.Generally its yield of fresh root is 22.5-34.5 t·hm-2 and that of dried root is 6.00-9.75 t·hm-2.The average anthocyanin content is 134.9 mg＆#183;kg-1.It is suitable to be planted in Henan,Hebei,Shaanxi,Shanxi Provinces,etc.in spring and summer.It has been demonstrated and extended to 1 300 hm2.