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1品种来源及选育过程鲁宁776是济宁市农业科学研究院于2009年以自选系L1786作母本,J111作父本组配而成的中熟紧凑型玉米杂交种。母本自交系L277是2004~2005年选用含温带种质的M54和郑58组成选系基础材料,通过常规育种方法,自交4代,选取优良单株用M54回交1次,自交4代选育而成。父本自交系J111是根据昌7-2具有一般配合力高,成熟早,出籽率高的特点与穗大、行数多、穗粒数
A variety of breeding and breeding process Lining 776 is Jining Academy of Agricultural Sciences in 2009 with the optional line L1786 as the female parent, J111 as the father of the medium-sized compact maize hybrids. The female parent inbred line L277 was selected from 2004 to 2005 with M54 and Zheng58 constituents of temperate germplasm base selection. Through the conventional breeding method, four generations of selfing inbred lines were selected, 4 generations of breeding. The male parent inbred line J111 is characterized by the following characteristics: Chang 7-2 has the characteristics of high general combining ability, early maturity and high seed-yield rate,