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龙辐玉7号玉米杂交种是黑龙江省农业科学院玉米研究所2005年以自育自交系辐3018为母本,自育自交系辐4459为父本杂交组配而成。该品种属早熟类型,全生育期需≥10℃积温2 300℃,生育日数117d左右。2009～2011年在各级产量试验示范中均表现高产、稳产。2012年2月通过黑龙江省农作物品种审定委员会审定,命名为龙辐玉7号。
Longyuyu No. 7 maize hybrid is a corn research institute of Heilongjiang Academy of Agricultural Sciences in 2005 to self-bred spokes 3088 as the female parent self-bred spokes 4459 for the male parent cross with. The species is a precocious type, the whole growth period of ≥ 10 ℃ accumulated temperature of 2300 ℃, the number of days of birth about 117d. From 2009 to 2011, it demonstrated high yield and stable production at all levels of yield test and demonstration. In February 2012, it was approved by Heilongjiang Provincial Crop Variety Approval Committee and named Longfuyu No.7.