【摘要】 石油污染已成为世界各国普遍关注的环境问题,土壤中石油类污染物的植物修复因具有众多优势而被人们广泛关注,而耐受性强的修复植物的选择是研究的重点,因此,采用皿培的方法对几种待选植物种子进行培养,对其在不同浓度石油污染的土壤中的出芽率进行分析,并持续观察其植株的生长状况,评价植物在各个浓度石油污染土壤中的耐受性,结果可得:低浓度石油污染土壤(0.5%)对植物种子萌芽和植株生长均有一定的促进作用,中高浓度(1%~3%)石油污染土壤对种子萌芽和植株生长具有抑制作用,在受试五种植物中,红三叶种子的石油污染耐受性最强。更多还原

【Abstract】 Petroleum pollution has become the widely concerned environmental problems.Due to its many advantages,phyto-remediation of petroleum contaminated soil is widely attented.To choose the plants with high tolerance is the key point,so the seeds of several plants were cultivated in culture dishs,and their budding percentage in soil of different concentrations of petroleum were analyzed.Their growth status were sustained observed.Then the tolerability of different plants for petroleum contaminated soil were evaluated.the results showed that:low concentration(0.5%) of petroleum contaminated soil can promote,but in high concentrations(3%) petroleum contaminated soils,the sprout of plant seeds and growth of plant were inhibited,in the five kinds of plants,the seeds of red clover had the the strongest tolerability for petroleum contaminated soil.更多还原