Author(s):

Nidhi Kumari

Abstract: The Study aimed to appraise the effect of different air pollutants viz SO₂, NO₂, SPM on growth of mustard plants growing at polluted sites near to Oil Refinery & at reference site (far from polluted site). Air pollution has become a serious environmental stress to mustard plants due to increasing industrialization. Pollutant impair photosynthetic activity, suppress growth parameters, foliage injury & finally growth reduction of plants measured as height of plants, Leaf area, dry shoot & root weight. Comparative study of the above growth parameter were investigated at polluted & reference site near Barauni Oil Refinery. The polluted site atmosphere contains high amount of SO2, NO2 & SPM in comparison to reference site which finally crossed the threshold resistance of mustard plant exerting injurious effect on plant.

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