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长谷4号(又名1658)是山西省农业科学院谷子所选育的适宜山西省中晚熟区种植的高产优质谷子新品种。2006年通过山西省品种审定委员会认定。该品种是采用阴天旱做母本、晋谷21做父本并回交,逐代水旱交替选育、优中选优而成。本县2008~2009年进行品种对比试验,从2010年开始推广,至今累计推广2.9万亩,平均亩产量310 kg,最高亩产可达353 kg。
Cigu 4 (also known as 1658) is the Shanxi Academy of Agricultural Sciences millet bred suitable for medium and late-maturing areas of Shanxi planting high yield and quality of new millet varieties. In 2006 through the Shanxi Provincial Commission approved species. The variety is the use of cloudy dry mother, Jin Gu 21 father and backcross, alternating generations of flood and drought alternately breeding, gifted elected. The county from 2008 to 2009 to carry out comparative test varieties, from 2010 to promote, has been the total promotion of 29,000 mu, the average yield of 310 kg per mu, the maximum per-mu yield of up to 353 kg.