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济麦20幼苗直立,苗色深绿,叶片较窄,分蘖力强,成穗率高,株型紧凑,叶片上冲,叶耳紫色,旗叶较窄,中长、挺直,抽穗后茎、叶、穗蜡质较重,穗纺锤型,长芒、白壳、白粒、角质,穗数600～675万/hm~2,穗粒数36粒,干粒重38～42g。济麦20属半冬性中熟品种,在新乡市生育期230d左右,与对照高优503基本相当,较普通麦对照豫麦49早熟2～3d。经新乡市多年多点试验、展示及示范推广种植,
Jimai 20 seedlings erect, seedling dark green, narrow leaves, strong tillering ability, high spike rate, compact plant type, leaves on the red, purple ear leaves, flag leaves narrow, long, upright, stem after heading , Leaves, ear wax heavier, spike spindle type, long-mans, white shell, white, horny, spikes 600 ~ 6750 / hm ~ 2, 36 grains per spike, dry weight 38 ~ 42g. 20 middle and mid-maturity varieties of Jimai were about 230 days old in Xinxiang, about the same as CK 503, and 2 ~ 3 d earlier than conventional wheat. After many years of Xinxiang test, demonstration and demonstration to promote planting,