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对玉米研究中心高产室创造的北方早熟优质多抗春玉米群体按 S1 和半同胞综合选择法进行3轮轮回选择改良玉米新种质10份以上;利用玉米复合杂交技术创新高抗丝黑穗病育种新素材5份以上;选育出高抗玉米丝黑穗病、高配合力、优质玉米自交系2~3份。
Based on S1 and semi-sibling comprehensive selection method, three rounds of new rounds of maize germplasm were selected to improve more than 10 new maize germplasms. The maize hybrid cross technique was used to innovate high resistance to head smut Breeding new material more than 5; Breeding corn smut resistant, high with power, high quality corn inbred lines 2 to 3 copies.