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京科389是北京市农科院玉米研究中心精心选育的杂交玉米新品种,于2009年通过国家审定,审定编号为国审玉2009001。该品种高抗倒伏、倒折,在2007-2008年两年的品种区试中,是惟一无倒伏、倒折品种。该品种矮秆、耐密,适宜密度为4500株/667米2,高肥水地块可达5500株/667米2。在京津唐夏播早熟玉米品种区试中,产量排名第一,高产地块667米2产达750千克。经中国农科院作物所接种鉴定,京科389
Jingke 389 is a new breed of hybrid corn carefully bred by Beijing Academy of Agricultural Sciences Corn Research Center and passed the national examination in 2009 with the validation number of State Audit Jade 2009001. The varieties of high lodging resistance, folding, in the 2007-2008 two years of varieties of regional trials, is the only non-lodging, folding varieties. The varieties of dwarf, dense, suitable density of 4500/667 m 2, high fertility block up to 5500 plants / 667 m 2. In Beijing, Tianjin and Tangxia sowing precocious corn varieties in the district test, the output ranked first, high-yield plots 667 m 2 yield of 750 kg. The Chinese Academy of Agricultural Sciences crop inoculation identification, Beijing Branch 389