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以17份水稻品种为研究材料,分别用不同浓度的硫酸铜、醋酸铅和氯化镉进行胁迫处理,测量处理后不同品种种子发芽率,以研究铜(Cu)、铅(Pb)、镉(Cd)对水稻种子萌发的影响。结果表明,随着Cu2+、Pb2+浓度升高,水稻种子发芽率逐渐降低,且不同品种对Cu2+的耐受性差异显著,其中Cu2+对水稻种子萌发的抑制作用更加明显;Cd2+对水稻发芽率的影响相对较小,在200
Seventeen rice cultivars were used as materials to study the effects of different concentrations of copper sulfate, lead acetate and cadmium chloride on the germination rate of different varieties of seeds. The effects of copper (Cu), lead (Pb), cadmium (Cd) ) On the germination of rice seeds. The results showed that with the increase of Cu2 + and Pb2 + concentrations, the germination rate of rice seeds decreased gradually, and the tolerance of different varieties to Cu2 + was significant. Cu2 + inhibited the germination of rice seeds more obviously. The effect of Cd2 + on the germination rate of rice Relatively small, at 200