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‘延薯8号’新品种是2002年以‘延薯4号’作母本、‘早大白’作父本,有性杂交获得实生籽,经过各世代鉴定筛选而育成。该品种2009～2010年在吉林省两年区域试验中667 m2平均产量2 356 kg,比对照‘东农303’增产24.80%;鲜薯维生素C含量40.50 mg/100g,淀粉含量13.31%,干物质含量20.72%,还原糖含量0.14%,粗蛋白含量2.65%;抗马铃薯晚疫病。2011年2月通过吉林省农作物品种审定委员会审定。
The ’Yushu 8’ new variety was made in 2002 with ’Yushu 4’ as the female parent and ’Daobai’ as the male parent. Sexual hybridization was used to obtain the seed, which was bred through various generations of identification and screening. The average yield of 667 m2 in this two-year regional experiment in Jilin Province from 2009 to 2010 was 2 356 kg, which was 24.80% higher than that of the control ’Dongnong 303’. The vitamin C content in fresh potato was 40.50 mg / 100g, the starch content was 13.31% Content of 20.72%, reducing sugar content of 0.14%, crude protein content of 2.65%; resistance to potato late blight. February 2011 through the Jilin Province Crop Variety Approval Committee validation.