【摘要】 作者通过在成都地区引种栽培播娘蒿 ,研究了不同播种期和栽培密度对播娘蒿产量及经济性状的影响 ,初步选育出了 3个新品系 .试验结果表明 :播娘蒿在成都地区适宜的播期是 10月上、中旬 ,适宜的栽培密度为 180 0 0 0株 /hm2 左右 .选育出的A 1和B 1品系的产量均较原始群体有明显提高更多还原

【Abstract】 Descurainia sophia was introduced to Chengdu.The impacts of different sowing date and density of D.sophia against yield and economic characters was studied and three strains had been selected.The result indicated that the first and mid ten day period of oct is saitable to sow D.sophia, and the best planting density is 180000 plants/hm 2 or so.The yield of selection breoding of A 1 and B 1 was proved to improve obviosly than the original group.更多还原