秋水仙碱处理对冬珊瑚种子发芽的影响

Influence of Colchicin Treatment on the Germination of Seeds of Solanum pseudo-capsicum

[目的]为了研究冬珊瑚多倍体诱导时种子发芽率的变化。[方法]用秋水仙碱诱变冬珊瑚种子。[结果]在诱变处理过程中,0.2%浓度秋水仙碱处理后的冬珊瑚种子发芽率基本不受影响;0.6%浓度处理后对其发芽率有明显的抑制作用,0.6%浓度且24 h处理后其种子的发芽率为0;随着处理时间的增加,0.4%浓度处理的发芽率逐渐增加,以处理24 h最佳。[结论]秋水仙碱诱变处理冬珊瑚种子的效果仍有待进一步研究。

[ Objective ] To study the change of seed germination rate in the polyploid induction of Solanum pseudo-capsicum. [ Method] Col- chiein was used for the induced mutation of S. pseudo-capsicum. [ Result ] In induced mutation, germination rate of seeds of S. pseudo-capsi- cum treated by 0.2% Colehicin was not influenced; 0.6% Colehicin had obvious inhibitory effect on the germination rate, the germination rate was 0 （24 h after treatment） ; with the increasing dose, germination rate increased after 0.4% Colchicin treatment, especially 24 h after treat- ment. [ Conclusion] The effect of Colebicin treatment on the seeds of S. pseudo-capsicum is to be further explored.