摘要
“九单１２号”由吉林市农科院作物所１９８６年育成，组合为１５２０－１×Ｍ３．该品种属中熟品种，需≥１０℃积温２５８９℃．１９８９～１９９２年在各级产量试验中表现高产、稳产、优质、多抗；１９９３年通过吉林省农作物品种审定委员会审定命名；１９９７年获吉林市科技进步一等奖．适宜我省中熟区原种植四单８、吉单１０１、吉单１２０的地区种植．种植密度一般以每公顷保苗４．５万株为宜．制种时，父母本同期播种，父母本比例为１∶５，每公顷保苗５．５万～６万株．
Jiudan-12' was bred by Jilin Institute of Agricultural Science in 1986,the combination is 1520-1×M3.The variety belongs to medium variety,accumulated temperature that ≥10℃ was 2589℃.It was examined and approved by Jilin Crop Variety Committee in 1993.The good planting density was 45000 plant per hectare.
出处
《延边大学农学学报》
1998年第4期18-21,共4页
Agricultural Science Journal of Yanbian University
关键词
玉米
杂交种
九单12号
品种选育
Corn
Hybrid strain
Jiudan-12
Selective breeding of variety
