Indian Journal of Innovations and Developments

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Physiological and biochemical responses induced by crude oil stress were investigated in pot-grown seedlings of the mangrove, Rhizophora mangle. Plants were grown for 4 weeks in soils amended with Bonny light crude oil to achieve 0, 1, 3, and 5 % v/w, oil/soil concentrations. Growth, physiological, biochemical, as well as metabolic parameters representative of oxidative stress and enzyme activities were measured at the end of the treatment period. It was observed that crude oil treatments resulted in low biomass accumulation, relative water content, and chlorophyll level. The treatments however led to a significant increase in lipid peroxidation, catalase, and ascorbate peroxidase activities. It was concluded that R. mangle is among the plant species in the mangrove ecosystem that are susceptible to crude oil toxicity.

Keywords

Rhizophora Mangle, Crude Oil, Environment, Pollution, Ecosystem
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