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菜心在北方采种,据吉林省双辽县种子公司的材料报导来看,发芽率仅在23％,而Ts—8855经1989年在牡丹江采种,种子发芽率为100％。特此提出以下几点意见,仅供参考。①适时播种。经1989年采种情况看,最适播期为4月中旬。②播量及方
According to the material coverage of the seed company of Shuangliao County in Jilin Province, the germination rate was only 23%. However, Ts-8855 was planted in Mudanjiang in 1989 and the seed germination rate was 100%. Hereby make the following comments, for reference only. ① timely sowing. After 1989 the mining situation, the most suitable sowing time for the mid-April. ② sowing and square