论文部分内容阅读
利用杂种优势,提高棉花产量,是1980年农业部选定的农业科技重点示范推广项目之一。从当前上海郊县的实际情况出发,有效地选配强优势组合和提高制种产量,是大面积推广利用杂交棉必须解决的两个主要问题。
The use of heterosis to increase cotton production is one of the key demonstration projects of agricultural science and technology selected by the Ministry of Agriculture in 1980. Starting from the current actual situation in suburbs and suburbs in Shanghai, the effective selection of strong combination of advantages and improvement of seed production are the two major problems that must be solved in popularizing and utilizing hybrid cotton in a large area.