Evaluation of Some Bread Wheat (Triticum aestivum L.) Landraces of Balochistan for Yield and Related Traits through Correlation and Path Analysis Research Article

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Published: 2025-12-31
DOI: https://doi.org/10.31580/pjmls.v8i4.3391
Keywords:
Biological yield, Correlation coefficient, Grain yield, Harvest index, Path analysis

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Pashtana Sahib Jan
Department of Plant Sciences, Sardar Bahadur Khan Women’s University (SBKWU), Quetta, Pakistan
Jahangir Khan
Balochistan Agricultural Research and Development Centre, Quetta, Pakistan
Rafiuddin
Livestock and Dairy Development Department, Balochistan, Quetta, Pakistan
Rukhsana Jabeen
Department of Plant Sciences, Sardar Bahadur Khan Women’s University (SBKWU), Quetta, Pakistan
Bibi Sadia
Department of Plant Sciences, Sardar Bahadur Khan Women’s University (SBKWU), Quetta, Pakistan

Abstract






Genetic diversity in wheat landraces is a major tool for incorporating desirable alleles in advanced breeding material. In the present study, we evaluated 54 landraces and 6 commercial varieties collected from different regions of Balochistan. Local landraces of Balochistan are better adapted to drought stress in the region and have some diverse genotypes. In this study, agronomic traits were characterized and correlation coefficient and path coefficient were determined for grain yield and other important agronomic traits, i.e., plant height, days to 50 % heading, productive tillers 0.5 m-2, spike length, seed number spike-1, 1000 grain weight, biological yield, and harvest index to confirm the association among the traits. According to the results, grain yield showed a significant positive correlation with all the traits except days to 50 % heading. The correlation of different traits with grain yield under stress conditions helps in indirect selection for high yield and can be incorporated in advanced lines to improve stress resistance in advanced germplasm. On average, a strong positive correlation was recorded for grain yield with harvest index (0.780) and biological yield (0.748). Path analysis revealed a high direct positive effect of HI (0.651) and biological yield (0.619) on grain yield, whereas the number of productive tillers showed a low negative direct effect (-0.036) on the grain yield. All other traits showed a low positive direct effect on grain yield. Biological yield and harvest index can play a significant role in indirect selection, while better yielding landraces can be used for genetic improvement of advanced germplasm that lack stress (drought) tolerance as compared to local landraces.







 

Article Details

Issue

Vol. 8 No. 4 (2025): October-December 2025

Section

Research Article
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This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

Evaluation of Some Bread Wheat (Triticum aestivum L.) Landraces of Balochistan for Yield and Related Traits through Correlation and Path Analysis: Research Article. (2025). Pak-Euro Journal of Medical and Life Sciences, 8(4), 887-896. https://doi.org/10.31580/pjmls.v8i4.3391

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