论文部分内容阅读
我们与北京市农科院合作先后育成的“京丰1号”、“报春”、“秋丰”等甘蓝一代杂种已在十几个省市、自治区推广,北京、天津等市郊区甘蓝一代杂种已占甘蓝总栽培面积的80％。上海、陕西、辽宁等省市也先后育成一些甘蓝一代杂种在生产上应用。由于优良的甘蓝一代杂种比原有品种一般增产20—30％,大面积推广后,对提高甘蓝产量、增加市场蔬菜供
The hybrids of “Beijing Feng 1”, “Bao Chun” and “Qiu Feng”, which have been bred by Beijing Academy of Agricultural Sciences in succession, have been popularized in more than 10 provinces, autonomous regions, and the suburb of Beijing and Tianjin Hybrids have accounted for 80% of the total cultivated area of cabbage. Shanghai, Shaanxi, Liaoning and other provinces and cities have also bred a number of cabbage generation hybrids in the production of applications. As the excellent hybrids of cabbage generation increase 20-30% more than the original varieties, after the large-scale popularization, it is necessary to increase the output of cabbage and increase the market supply of vegetables