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Ecotoxicology and environmental safety

Toxicological responses in wheat Triticum aestivum under joint stress of chlorimuron-ethyl and copper.


PMID 19748121

Abstract

It was observed in this work that joint effects of chlorimuron-ethyl and copper on chlorophyll content, the peroxidases (POD) activity, superoxide dismutases (SOD) activity and soluble protein content in leaves and roots of wheat were markedly significant. The chlorophyll content and the SOD activity in wheat under joint stress of chlorimuron-ethyl and copper were obviously higher than that under single stress of chlorimuron-ethyl. However, joint effect of chlorimuron-ethyl and copper on the decrease of soluble protein content in roots was more serious than that under single stress of chlorimuron-ethyl. The effect of copper dominated the change of POD activity and soluble content in leaves and roots of wheat under joint stress of chlorimuron-ethyl and copper. It was suggested that the change of enzyme activity was related to the change of soluble protein content in roots under single and joint stress of chlorimuron-ethyl and copper.