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一、品种来源与特征特性豫麦5号 (原名郑州7297)系我所以7019(毛阿夫×郑州6号等四父)的第二代选株为母本,以6609(丰产3号×郑州5号)为父本杂交选育而成。该品种为弱春性中晚熟种。长芒、白壳、白粒,穗近长方形,分蘖力中等,穗大粒重,千粒重高而稳定,常年在42～52克之间。三年56点试验,平均每亩成穗30万,每穗29.4粒,千粒重48克。粗蛋
First, the source of varieties and characteristics of Yumai 5 (formerly Zhengzhou 7297) Department of I so 7019 (Mao Aifu × Zhengzhou No. 6 and other four fathers) of the second generation of selected strains of the female parent to 6609 (HSBC 3 × Zhengzhou 5) as the male parent selected from breeding. The varieties of weak spring sex in the late-maturing species. Changmang, white shell, white grain, spike nearly rectangular, medium tillering ability, spike large grain weight, grain weight high and stable, perennial in 42 to 52 grams. Three years 56 test, the average per acre into 300,000, 29.4 per panicle, 1000 grain weight 48 grams. Crude egg