播期对紫苏生育期及数量性状影响的研究结果表明：现蕾到终花日数随播期的变化和品种的熟性有较大的相关；
The results showed as follows:The days of bud period to the end florescence had a regulars variation with its sowing time advanced in different variety.
在其M_2、M_3代群体中叶形、花、熟期及育性均发生了不同程度的分离及变异。
The results are as follows:1. Leaf, flower, bearing term and sterility mutant were observed in population of M_2, M_3 generation.
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