“科多4号”玉米是中国科学院遗传研究所杂交培育而成的多杆多穗玉米单交种。我们于1986年引进,经过6年的试验、示范,证明该品种具有植株高大、多杆多穗、增产潜力大等特点,可称当今“青贮玉米之王”。现将引种试验结果报告如下。 “Cordoba No. 4” corn is a cross-breed multi-rod and multi-spike corn cultivated by the Institute of Genetics, Chinese Academy of Sciences. We introduced in 1986, after six years of experiments, demonstrations, that the variety has the characteristics of tall plants, more stems and more spike, yield potential, can be called today’s “king of corn silage.” The introduction of test results are reported below.