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一、选育经过旱地春小麦81(39)—2是省农科院粮食作物研究所于1981年以陇春7号作母本,68—73—20—3作父本杂交而成。其F_0—F_3代在兰州水地筛选培育后,于1984年随大量高秆杂交后代转定西唐家堡旱地培育选择。当年在F_3—F_5代的1400余份材料中发现肯定F_4代中的
First, the selection of spring wheat after dry land 81 (39) -2 is the Institute of Food Crops in the Academy of Agricultural Sciences in 1981 to Longchun 7 as the female parent, 68-73-20-3 as the male parent hybrids. The F_0-F_3 generation in Lanzhou water screening breeding, in 1984 with a large number of high-stalk hybrid offspring West Tangjiapu dryland breeding options. In the F-3-F_5 generation of more than 1,400 pieces of material found in the F_4 generations