Effects of some heavy metals on in vitro pollen germination and pollen tube growth of Jatropha curcas.

摘要

Enhanced concentrations of heavy metals (Cd, Cr, Zn, Cu, Hg and Pb) decreased pollen germination and pollen tube length in Jatropha curcas, but their toxicity levels varied. Pollen germination and pollen tube length were negatively affected at highest concentration of Hg (200 micro M). Applications of Cd, Cr, Pb and Hg exhibited more toxic effects as compared to Zn and Cu.