Plant growth regulators improve growth, photosynthesis, mineral nutrient and antioxidant system under cadmium stress in menthol mint (Mentha arvensis L.)

Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology
Abbu ZaidQazi Fariduddin

Abstract

Menthol mint (Mentha arvensis L.) cultivation is significantly affected by the heavy metals like cadmium (Cd) which also imposes severe health hazards. Two menthol mint cultivars namely Kosi and Kushal were evaluated under Cd stress conditions. Impact of plant growth regulators (PGRs) like salicylic acid (SA), gibberellic acid (GA3) and triacontanol (Tria) on Cd stress tolerance was assessed. Reduced growth, photosynthetic parameters, mineral nutrient concentration, and increased oxidative stress biomarkers like electrolyte leakage, malondialdehyde, and hydrogen peroxide contents were observed under Cd stress. Differential upregulation of proline content and antioxidant activities under Cd stress was observed in both the cultivars. Interestingly, low electrolyte leakage, lipid peroxidation, hydrogen peroxide and Cd concentration in leaves were observed in Kushal compared to Kosi. Among all the PGRs tested, SA proved to be the best in improving Cd-stress tolerance in both the cultivars but Kushal responded better than Kosi.

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Citations

May 13, 2020·International Journal of Phytoremediation·Siamak Shirani Bidabadi
May 8, 2020·Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology·Shaistul Islam, Firoz Mohammad
Jan 24, 2021·Environmental Science and Pollution Research International·Kehui LiuFangming Yu
Apr 3, 2021·Environmental Science and Pollution Research International·Adriana ZemianiAlessandra Furtado da Silva
Oct 12, 2021·International Journal of Phytoremediation·Rehana SardarNasim Ahmad Yasin
Jun 3, 2020·Ecotoxicology and Environmental Safety·J D PecoL M Sandalio

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Methods Mentioned

BETA
environmental stresses

Software Mentioned

SPSS

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