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自1950年以来,我国各玉米主要产区的试验研究机关,开始进行了玉米品种间杂交的试验研究工作,几年来已获得了不少成就,如山东的坊杂二号、坊杂四号、齐玉二十五号等;河北的(白头霜×大红袍)、(金皇后×华农一号),(灯笼红×华农二号)等;河南的(小粒红×东岗黄马牙)、(金皇后×干白顶)等;东北的(大金顶×铁岭黄马牙)、(白鹤×小粒红)、(大穗黄×加拿大六○六)等;此外陕
Since 1950, the pilot research institutes of major maize producing areas in China started to carry out experimental research on crossbreeding between maize varieties. Over the past few years, many achievements have been made such as the number of Square Fong No.2 and Square Fong No.4 in Shandong Province, Qi Yu twenty-fifth, such as Hebei; (Baishou cream × Dahongpao), (Golden Queen × Huanong No. 1), (lantern red × Huanong II); Henan (small red x Donggang yellow horse teeth) (Golden Queen × dry white top); the Northeast (Daikin Top Tieling Huangmaya), (Crane × small red), (big spike yellow × Canada 600), etc .; In addition, Shaanxi