【摘要】 分析了2000—2018年河南省玉米品种利用情况,指出了河南省种植玉米品种数量在逐年增加、主导品种的主导地位在下降、生产上面临品种更新换代的压力,系统阐述了河南省玉米育种与品种利用中存在的问题,提出了河南省玉米品种的利用原则。更多还原

【Abstract】 This paper analyzed the utilization of maize varieties in Henan Province from 2000 to 2018,pointed out that the number of maize varieties was increasing year by year,the dominant position of the dominant varieties was declining and the production was facing the pressure of variety renewal,systematically described the problems existing in maize breeding and variety utilization and put forward the utilization principles of maize varieties in Henan Province.更多还原