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近几年来我所在北京郊区及10余个兄弟省市试种推广了一批优良的大白菜一代杂种。现将两个较优良的组合介绍于后。一、双青156 双青156(2184×72103)(照片见封二)于1976年开始试配,当年即表现抗病丰产。联合鉴定受到京郊贫下中农的好评。后又经两年试种,于1978年在
In recent years, my suburbs in Beijing and more than 10 brother provinces and cities have tried to popularize a batch of excellent Chinese cabbage hybrids. Now two more excellent combination introduced later. One, Shuangqing 156 Shuangqing 156 (2184 × 72103) (Photos see cover two) Trial began in 1976, when the performance of disease-resistant high yield. The joint appraisal was well received by the poor middle peasants in Beijing suburbs. After another two years of trial planting, in 1978 at