Physiological and Biochemical Effects of Simulated Acid Rain on Phaseolus Vulgaris Var. HUR-15

T. I. Khan () and Shikha Devpura
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T. I. Khan: University of Rajasthan
Shikha Devpura: University of Rajasthan

Environment Systems and Decisions, 2004, vol. 24, issue 4, 223-226

Abstract: Abstract Pot experiments were performed to determine the effects of simulated acid rain on Phaseolus vulgaris var. HUR-15. Seeds of Phaseolus vulgaris var. HUR-15 were exposed to simulated acid rain at pH values of 5.1, 4.1, 3.1, 2.1 and 1.1 and a control level of pH 6.8. Plants were harvested at three stages, i.e. pre, peak and post-flowering stages. Seedlings succumbed at pH 1.1. Necrosis developed on the leaves of plants treated with water of pH 2.1, resulting in adverse effect on chlorophyll content. They died after peak-flowering. Root and shoot length and dry weight were reduced with the lowering in pH. Carbohydrate, nitrogen and protein contents decreased with the decrease in pH level, adversely affecting their nutrient value.

Keywords: simulated acid rain; Phaselous vulgaris; adverse impacts (search for similar items in EconPapers)
Date: 2004
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DOI: 10.1007/s10669-005-0997-y

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