国审青贮玉米杂交种大京九4059的选育与评价

The Breeding and Evaluation of National Approved Silage Maize Hybrid Dajingjiu 4059

大京九4059是由河南省大京九种业有限公司以5801自交系为母本,33197自交系为父本选育的高产优质和广适青贮玉米杂交种。在2016—2017年参加国家青贮玉米品种区域试验,东华北中晚熟组2年平均生物干重21532.5 kg/hm^(2),较对照雅玉青贮26增产3.1%;黄淮海夏玉米组2年平均生物干重18802.5 kg/hm^(2),较对照种雅玉青贮8号增产6.2%。2019年通过国家农作物品种审定委员会审定,审定区域为黑、吉、辽、蒙、晋、冀、京、津、豫、鲁、陕、苏、皖、鄂14个省市区。

Dajingjiu 4059 was a silage maize hybrid with high yield,high quality and wide adaptability bred by Henan Dajingjiu Seed Industry Co.,Ltd.with 5801 inbred line as female parent and 33197 inbred line as male parent.The two-year average biological dry weight of east north mid-late maturity group was 21532.5 kg/hm^(2)in regional test of national silage maize variety,increasing yield by 3.1%than that of control variety Yayu silage 26;and the two-year average biological dry weight of Huang-Huai-Hai summer maize group was 18802.5 kg/hm^(2),which was 6.2%higher than control variety Yayu silage No.8.Dajingjiu 4059 was approved by national crop variety examination and approval committee in 2019,and the approval area were 14 provinces including Heilongjiang,Jilin,Liaoning,Inner Mongolia,Shanxi,Hebei,Beijing,Tianjin,Henan,Shandong,Shaanxi,Jiangsu,Anhui and Hubei.