Effect of PEG-6000 imposed drought stress on RNA content, relative water content (RWC), and chlorophyll content in peanut leaves and roots

Saudi Journal of Biological Sciences
MeherD Manohar Rao

Abstract

Drought, one of the environmental stresses, plays crucial role in reduction in plant production on majority of agricultural fields of world, In order to evaluate drought stress on RNA content Relative water content (RWC), and chlorophyll content, Water deficit was induced by Polyethylene glycol (PEG) in peanut (Arachis hypogaea), accession number ICGV 91114. In this current study we evaluate RNA content and Relative water content (RWC) both in leaves and roots and chlorophyll content in leaf. The present study was undertaken with the aim to investigate the effect of water deficit imposed by PEG-6000, 40 old day seedlings were treated with varying concentrations of polyethylene glycol-6000 (PEG-6000; w/v-5%, 10%, 15% & 20%) for 24 h. The results showed that RNA content and Relative water content (RWC) content was significantly reduced in both leaves and roots with increased concentration of PEG, In leaves, a concentration dependent decline in chlorophyll content with increasing concentration of polyethylene glycol-6000 (PEG-6000). Reduction in chlorophyll 'a' level was to a greater extent than the chlorophyll 'b'. Thus, this attributes can be used as screening tool for drought tolerance in peanut.

Citations

Dec 20, 2018·International Journal of Molecular Sciences·Natalia OsmolovskayaLudger A Wessjohann
Jan 8, 2020·Chemistry & Biodiversity·Ghorban KhodabinSeyed Ali Mohammad Modarres-Sanavy
Jul 22, 2018·Applied Microbiology and Biotechnology·Matthew Chekwube Enebe, Olubukola Oluranti Babalola
Mar 12, 2020·International Journal of Radiation Biology·Seyed Ali Hosseini TafreshiAhmad Ramazani-Moghaddam-Arani
Dec 4, 2020·Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology·Lakshmipathi Naik MudeShaik Sha Valli Khan Patan
Mar 11, 2021·International Journal of Phytoremediation·Huiyuan ChengCongyan Wang
Apr 4, 2021·International Journal of Molecular Sciences·Xuemei ZhangTingbo Jiang
Jul 27, 2021·PloS One·Paola de Avelar CarpinettiMarcia Flores da Silva Ferreira
Aug 6, 2021·Plant Cell Reports·Smita Chaudhry, Gagan Preet Singh Sidhu
Jan 9, 2022·Bulletin of Environmental Contamination and Toxicology·Sukhumaporn Saeng-Ngam, Kongkeat Jampasri

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