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一、选育经过“内谷四号”谷子是1976年用吉林省优良推广种“小金黄”作母本,以本地良种“毛谷二号”为父本,通过有性杂交选育而成。通过五个世代的优中选优,于1981年上升为品系“81—5”。1982～1983年参加品种比较试验,1984～1986年参加自治区(西片)谷子良种区域试验鉴定,1987～1988年进行了生产示范,1989年经自治区品种审定委员会正式审定通过,定名为“内谷四号”。
First, the breeding After the “Inner Mongolia No. 4” millet is the excellent promotion of Jilin Province in 1976, “Little Golden” as a female parent, with the local elite, “Mao Valley II” as the parent, selected through sexual cross breeding . Through five generations of gifted candidates, in 1981 rose to strain “81-5”. From 1982 to 1983, he took part in the comparative experiments of varieties, from 1984 to 1986, he took part in the regional experiment and appraisal of cereal varieties in the autonomous region (western film), conducted the production demonstration from 1987 to 1988, and formally approved it in 1989 by the Autonomous Region Variety Approval Committee and named it as “ number”.