选育过程:夏谷新品种冀谷25,原名选25(2303-87-17),属小穗类型.是我所于1972年以曲周县农家种“2303”的自然杂交后代中选出的优良株系,经连年选育,1974年定型,1975年进行产比,1976年进行风土适应性鉴定,1977年参加华北区域性联合鉴定试验和大面积示范种植,表现优良,经省品种审定委员会审定,定名“冀谷25”. Breeding process: Summer Valley new varieties of Ji Gu 25, formerly known as the election 25 (2303-87-17), is a spikelet type is my in 1972 to Quzhou week farm “2303” natural hybrid progenies Selected fine lines, after years of breeding, 1974 stereotypes, 1975 production ratio, in 1976 for adaptability of terroir, 1977 in northern China to participate in regional joint identification test and large-scale demonstration planting, excellent performance, the provincial Variety approval committee validation, named “Ji Valley 25 ”.