2024年7月18日 星期一 19:43:55

国审马铃薯新品种--青薯9号

 

      审定编号:国审薯2011001

  品种名称:青薯9

  选育单位:青海省农林科学院

  品种来源:387521.3/APHRODITE系统选育

  省级审定情况:2006年青海省农作物品种审定委员会审定

  特征特性:晚熟鲜食品种,生育期115天左右。株高89.3厘米左右,植株直立,分枝多,生长势强,枝叶繁茂,茎绿色带褐色,基部紫褐色,叶深绿色,复叶挺拔、大小中等,叶缘平展,花冠紫色,天然结实少。结薯集中,块茎长圆形,红皮黄肉,成熟后表皮有网纹、沿维管束有红纹,芽眼少而浅。区试单株主茎数2.9个,结薯5.2个,单薯重95.9克,商品薯率77.1%。经室内人工接种鉴定:植株中抗马铃薯X病毒,抗马铃薯Y病毒,抗晚疫病。区试田间有晚疫病发生。块茎品质:淀粉含量15.1%,干物质含量23.6%,还原糖含量0.19%,粗蛋白含量2.08%,维生素C含量18.6毫克/100克鲜薯。

  产量表现:20092010年参加中晚熟西北组品种区域试验,两年平均块茎亩产1764千克,比对照平均增产40.7%2010年生产试验,块茎亩产1921千克,比对照陇薯3号增产17.3%

  栽培技术要点:1.西北地区4月中下旬至5月上旬播种。2.每亩种植密度32003700株。3.播前催芽,施足基肥。4.生育期间要控制株高,防止地上部分生长过旺;注意防治蚜虫、晚疫病等病虫害;及时中耕培土,结薯期和薯块膨大期及时灌水,收获前一周停止灌水,以利收获贮藏。

  审定意见:该品种符合国家马铃薯品种审定标准,通过审定。适宜在青海东南部、宁夏南部、甘肃中部一季作区作为晚熟鲜食品种种植。

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