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品种来源河南省周口地区农科所1982年用(百农791/豫麦2号)F_1作母本,用(鲁麦1号/偃师4号)F_1作父本进行复合杂交,经连年选育,于1988年育成,原名周麦9号。1992年由河南省农作物品种审定委员会审定命名为豫麦21号。产量表现 1989年在本所品比试验中,平均亩产514.6公斤,比豫
Varieties of origin Henan Province Zhoukou Prefecture Institute of Agriculture in 1982 (Bai Nong 791 / Yumai 2) F_1 as the female parent, (Lumai 1 / Yanshi 4) F_1 as a male parent compound hybrids, after years of selection Education, bred in 1988, formerly known as Zhou Mai 9. In 1992 by the Henan Provincial Crop Variety Approval Committee named Yumai 21. Production performance 1989 in the ratio test, the average yield 514.6 kg, compared with Henan