论文部分内容阅读
杂种优势利用,是我国近几年作物育种的主要成就之一,在甜菜生产上利用雄性不育系配制杂种一代,可以保证较高的杂交率,从而收到显著的增产效果。在无产阶级文化大革命运动中,我站一九七○
Utilization of heterosis is one of the major achievements of crop breeding in China in recent years. Using male sterile lines to formulate hybrid generations in sugar beet production can ensure high hybridization rate and thus receive significant yield increase. In the proletarian cultural revolution movement, I stood a total of one hundred and seventy