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Agricultural Science Digest, volume 29 issue 1 (march 2009) : 1-6

EFFECT OF SIMULATED ACID RAIN ON CHLOROPHYLL AND ASCORBIC ACID CONTENTS OF MENTHA PIPERITA L.(PEPPERMINT)

Punam Kumari, Y.S. Tomar
1Botany Department, S.G.P.G. College, Saroorpur, Meerut-205 000, India

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Cite article:- Kumari Punam, Tomar Y.S. (2025). EFFECT OF SIMULATED ACID RAIN ON CHLOROPHYLL AND ASCORBIC ACID CONTENTS OF MENTHA PIPERITA L.(PEPPERMINT). Agricultural Science Digest. 29(1): 1-6. doi: .

ABSTRACT

A field and laboratory based experiment conducted to assess the effects of different pH ranges of
simulated acid rain (2.5, 3.5, 4.5 and 5.5) was studied on chlorophyll and ascorbic acid contents in
two cultivars (cv. Himalaya and cv.Kaushik) of a medicinal herb Mentha piperita. Chlorophyll and
ascorbic acid contents of leaves were adversely affected at pH 2.5 and 3.5. The effects of simulated
acid rain became more pronounced with the increase in acidity of rain and the duration of the
treatments. Chlorophyll-a showed more reduction than chlorophyll-b. In both the cultivars cv.
Himalaya was more sensitive than cv. Kaushik on chlorophyll and ascorbic acid rain contents. The
study showed that acid rain has a significant negative effect on Mentha Piperita plant performance.

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