Breeding of a new starch processing type potato cultivar Longshu No.29
LI Jianwu
ZHANG Rong
WEN Guohong
LI Gaofeng
WANG Shulin
Abstract：Longshu No.29 is a new starch processing potato cultivar,which was hybrid bred with Dingshu No.3(female)and L0109-4(male).It is late-maturing and starch processing potato cultivar(121 days after emergence).The plant type is erect.Tuber is round with netted skin,light yellow skin and flesh,and shallow eyes.The average yield was 2781.6 kg per 667 m2.The dry matter content is 255.7 g·kg-1,the starch content is 194.1 g·kg-1,the crude protein content is 23.8 g·kg-1,the vitamin C content is 94.2 mg·kg-1,and the reducing sugar content is 3.0 g·kg-1 in fresh tubers.Longshu No.29 is fit in starch processing with excellent food quality.It exhibits high resistance to potato mosaic virus disease,leaf curl virus disease,and late blight.This cultivar is well-suited for cultivation in the cold and humid regions as well as the semi-arid areas of Gansu province.
Keywords：PotatoNew cultivarLongshu No.29Starch processing
Publication Date：2026-02-05
Online Publishing Date：2026-03-10(First online date of this platform, not the publication date of the document)
Pages：5( 230-234 )