Asian Journal of Microbiology, Biotechnology & Environmental Sciences Paper

Vol 14, Issue 2, 2012; Page No.(305-307)

EVALUTION OF BIOCHEMICAL INDICATORS OF IRON AND MANGANESE CONTAMINATION FOR SUNFLOWER PLANTS: CHLOROPHYLL CONTENT, CATALASE AND PEROXIDASE

NANDITA JENA AND PRASANT KUMAR BEHERA

Abstract

Catalase and Peroxidase show grate response to the metal pollutants and increase in enzyme activity which may indicate a stress situation in plant. To find the effect of various levels of Fe and Mn on chlorophyll contents and peroxidase enzyme activity was studied on sunflower plant. Concentration of chlorophyll “a” and “b” increased with rise of Fe concentration under the condition of Mn deficiency or excess. Catalase was positively correlated to chlorophyll “b” where as peroxidase is negatively correlated to chlorophyll “a” and “b”. Activity of catalase increased with increase of Mn concentration up to 40 m mol after which it started declining. Peroxidase showed reverse effect which indicate that Mn and Fe nutrient level modified the total catalase and peroxidase activity in plant (sunflower).

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