关键词: 马铃薯, 选育, 品种

Abstract: ‘Chunshu 15’was a new medium-late maturity fresh starch processing potato cultivar selected through sexual hybridisation,progeny selection and identification with‘Pepsi 6’as the mother and‘Gourmandine’as the father. Fertility period was about 87 days,plant height is about 67.8 cm,stem green,leaf green,corolla white,no natural fruiting,tuber neat,commercial potato rate is high,potato concentration,tuber ovoid,skin was slightly flaxen,light yellow skin light yellow flesh. The dry matter content of tuber was 18.38%,starch content was 12.53%,vitamin C content was 2.65 mg · kg^-1,crude protein content was 1.68%,reducing sugar content was 0.65%. The potato lumps had long dormancy period,resistant to storage and transport,resistant to PVX and PVY virus disease,highly susceptible to late blight. It was suitable for spring planting in Jilin Province,Heilongjiang Province and eastern Inner Mongolia.

Key words: potato, selection, cultivar