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九玉二号是内蒙古九丰种业有限责任公司科研所于1999年以自交系AS45为母本,以自交系AS51为父本,杂交育成的半紧凑型、极早熟玉米新品种。该杂交种在内蒙古极早熟试验中表现出高产、稳产、优质、抗病和适应性广等优点,适应在内蒙古极早熟区及黑龙江省2100~2300℃海玉4号种植区推
Jiuyu No. 2 is a semi-compact and extremely precocious maize variety bred by the research institute of Inner Mongolia Jiufeng Seed Co., Ltd. in 1999 with inbred line AS45 as female parent and inbred line AS51 as male parent. The hybrids showed the advantages of high yield, stable yield, high quality, disease resistance and wide adaptability in the extremely precocious experiment in Inner Mongolia, and was adapted to push in the extremely precocious area of Inner Mongolia and the planting area of Haiyu 4 at 2100 ~ 2300 ℃ in Heilongjiang Province.