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Identification of potential waterlogging-tolerant accessions of sesame (Sesamum indicum L.) from diverse germplasm in a quest for resilient crops

Published online by Cambridge University Press:  03 June 2025

Nitin Gadol ,
Anshuman Shah ,
Pragya Mishra ,
Geet Priya ,
Harinder Vishwakarma ,
Artika Singh ,
Rajeev Kumar ,
Mahesh Rao ,
Nagendra Singh  and
Rangan Parimalan
...Show all authors
Nitin Gadol
Affiliation:
ICAR – National Institute of Plant Biotechnology, Pusa Campus, New Delhi, India
Anshuman Shah
Affiliation:
ICAR – National Institute of Plant Biotechnology, Pusa Campus, New Delhi, India Amity Institute of Biotechnology, Amity University, Noida, India
Pragya Mishra
Affiliation:
ICAR – National Institute of Plant Biotechnology, Pusa Campus, New Delhi, India
Geet Priya
Affiliation:
ICAR – National Institute of Plant Biotechnology, Pusa Campus, New Delhi, India
Harinder Vishwakarma
Affiliation:
National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
Artika Singh
Affiliation:
Department of Agronomy, College of Agriculture, RLBCAU, Jhansi, India
Rajeev Kumar
Affiliation:
Amity Institute of Biotechnology, Amity University, Noida, India
Mahesh Rao
Affiliation:
ICAR – National Institute of Plant Biotechnology, Pusa Campus, New Delhi, India
Nagendra Singh
Affiliation:
ICAR – National Institute of Plant Biotechnology, Pusa Campus, New Delhi, India
Rangan Parimalan
Affiliation:
National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
Rashmi Yadav
Affiliation:
National Bureau of Plant Genetic Resources, Pusa Campus, New Delhi, India
Sanjay Kalia
Affiliation:
Department of Biotechnology, Ministry of Science and Technology, New Delhi, India
Vandna Rai*
Affiliation:
ICAR – National Institute of Plant Biotechnology, Pusa Campus, New Delhi, India
*
Corresponding author: Vandna Rai; Email: vandnarai2006@gmail.com
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Abstract

Waterlogging (WL) stress drastically impacts sesame crops, making them highly susceptible by hindering growth and development. Hence, identifying and characterizing the promising trait is necessary to conserve germplasm exploitation during WL stress conditions. The current study emphasized comprehensively screening 148 accessions by treating 48 hours of WL stress in sesame crops. In addition, the trait association and morphological characteristics were attributed to identify tolerant and susceptible germplasm, which can be further utilized in crop improvement and breeding programmes. Therefore, the present study screened the genotypes by assessing morphological traits, including shoot height (SH), root length (RL), SPAD measurements and branches per plant. The observation reveals that RL, SH and SPAD significantly varied in sesame accessions. Hence, accession EC377024 and IC129289 showed highly tolerant and susceptible behaviour. The statistical analysis, including G × E interactions, Pearson’s correlation, and principal component analysis (PCA), supports the selected trait that can be used to screen the WL susceptible crops. The genotypes identified in this study have the potential to aid in sesame crop improvement.

Keywords

chlorophyllgermplasmroot lengthsesamewaterlogging stress
Type
Research Article
Information
Plant Genetic Resources , First View , pp. 1 - 7
Copyright
© Vandna Rai, 2025. Published by Cambridge University Press on behalf of National Institute of Agricultural Botany.

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