Principal component analysis of yield associated traits under abiotic stress conditions in Indian mustard (Brassica juncea) genotypes


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Authors

  • Arvind Patel Department of Genetics and Plant Breeding, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India Author
  • Shivangi Saha Department of Genetics and Plant Breeding, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India Author
  • Rohit Kumar Verma Department of Genetics and Plant Breeding, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India Author
  • Divya Prakash Department of Genetics and Plant Breeding, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India Author
  • Aditi Eliza Tirkey Department of Genetics and Plant Breeding, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India Author
  • Kartikeya Srivastava Department of Genetics and Plant Breeding, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India Author

https://doi.org/10.56093/job.v14i2.

Keywords:

Drought, heat stress, Indian mustard, principal component

Abstract

A study was carried out using 80 different genotypes and five check varieties, viz., NRCHB-101, RH-749, Giriraj, RH-406
and Kranti of Indian mustard in augmented randomized complete block design, for two Rabi seasons during 2020-22,
under timely sown, drought and terminal heat stress conditions to determine the selection criteria among yield related
traits. The cluster analysis, revealed that the first seven principal components (PC) in all three trials had eigenvalues
more than 1 and contributed around 74, 75 and 72 % of variability in timely sown, drought and late sown conditions,
respectively. The maximum contribution towards variation in timely sown condition was exhibited by biological yield,
yield per hectare, plant height and yield per plant. The maximum contribution towards variability under drought sown
condition was exhibited by number of siliquae per plant, number of secondary branches and plant height. Biological
yield, yield per plant and plant height contributed maximum towards variability under late sown condition. Thus, the
aforementioned traits should be considered for improving yield per plant under different conditions studied.

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Submitted

2024-10-10

Published

2026-04-09

Issue

Vol. 14 No. 2 (2023)

Section

Articles

How to Cite

Principal component analysis of yield associated traits under abiotic stress conditions in Indian mustard (Brassica juncea) genotypes (Arvind Patel, Shivangi Saha, Rohit Kumar Verma, Divya Prakash, Aditi Eliza Tirkey, & Kartikeya Srivastava, Trans.). (2026). Journal of Oilseed Brassica, 14(2), 120-128. https://doi.org/10.56093/job.v14i2.