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70年代以来,我省玉米生产由引进国内外杂交种转为自己选育杂交种,由推广种植双交种为主转变为以推广种植单交种为主。省内玉米育种家广泛开展了自交系和单交种的选育,培育出一批优良单交种用于生产。同时,随着玉米育种和玉米生产上出现的问题,开展了抗病育种、品种资源鉴定以及育种途径和育种技术等多方面的研究探索,使我省玉米育种工作水平不断提高。到80年代以来,经省农作物品种审定委员会审定,已颁布了五批玉米杂交
Since the 1970s, the production of maize in our province has shifted from the introduction of domestic and foreign hybrids to the hybrids of their own selection. The promotion of planting double crosses mainly shifted to the promotion of planting single cross-breeding. The corn breeders in the province have carried out the breeding of inbred lines and single crosses widely and cultivated a group of fine single crosses for production. At the same time, with the problems in corn breeding and corn production, the research on resistance breeding, identification of variety resources, breeding ways and breeding techniques have been carried out so that the level of maize breeding in our province will be continuously improved. Since the 1980s, the approval of the Provincial Crop Variety Approval Committee has promulgated five batches of corn hybrids