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在北京郊区黄土岗、四季青、东升等公社的大力支持下,我们中国农业科学院蔬菜所和北京市农科院蔬菜所共同协作,继育成中晚熟丰产甘蓝一代杂种“京丰1号”、早熟丰产一代杂种“报春”、秋季抗病丰产一代杂种“秋丰”之后,又育成一个新的中熟丰产甘蓝一代杂种“庆丰”,这个一代杂种的育成和推广,将对满足6月中旬市场的蔬菜供应起一定作用。该一代杂种于1975年开始选配组合,经1976、1977两
With the strong support from communes such as Huangtugang, Sijiqing, Dongsheng and other communes in Beijing, we cooperated with the vegetable institute of Beijing Academy of Agricultural Sciences in the vegetable institute of Chinese Academy of Agricultural Sciences and succeeded in breeding “Jingfeng 1”, a middle-late-maturity hybrid cabbage generation, A new generation of hybrid middle-aged hybrid “Qingfeng”, a new generation of hybrid middle-aged hybrid “Qingfeng”, the generation of hybrid breeding and promotion, will meet the middle of June Market supply of vegetables play a role. The generation of hybrids in 1975 began matching combinations, by 1976,1977 two