紫色马铃薯新品种桂彩薯1号的选育

A New Purple Potato Variety——‘ Guicaishu No.1 '

桂彩薯1号是以日本北海道岛系571号为母本,以日本北海道岛系568号为父本经有性杂交系统选育而成。早中熟,生育期(出苗至成熟)85～95d(天)。块茎长椭圆形,中等大小,紫皮紫肉,表皮光滑,芽眼少而浅,结薯集中,单薯质量100g左右,鲜薯产量1000～1500kg·(667m2)-1,最高可达2000kg·(667m2)-1。块茎淀粉含量9.07%,粗蛋白质2.45%,还原糖0.67%,VC137.0mg·kg-1(FW),花色苷1786.0mg·kg-1(FW)。适宜广西、广东、福建、云南、湖南等地秋冬种植。

‘Guicaishu No.1’ was developed from a cross between Hokkaido line 571 as female parent and Hokkaido line 568 as male parent.This variety is of early-middle maturity.Its total growing period was about 85-95 days.Its tuber is oblong with medium size,purple peel,purple flesh and few shallow eyes.The single tuber weight is about 100 g.The average yield is about 15-22.5 t＆#183;hm2,and the highest yield can reach up to 30 t＆#183;hm2.The starch content in its tuber is 9.07%,the crude protein content is 2.45%,the reducing sugar content is 0.67%,and the contents of VC and anthocyanin are 137.0 mg＆#183;kg-1（FW）and 1 786.0 mg＆#183;kg-1（FW）, respectively.It is suitable to be cultivated in autumn and winter in Guangxi,Guangdong,Fujian,Yunnan, and Hunan Provinces.