Exploring Genetic Diversity in Maturity Duration among Pigeonpea Genotypes Grown under Off-season  (Rabi) Conditions

Yaksha K.; Shivani D.; Prakash I. Gangashetty; Yogendra K.; Jaba Jagdish; Sunita Choudhary

doi:10.9734/jabb/2025/v28i72598

Research Article Open access CC BY 4.0

Exploring Genetic Diversity in Maturity Duration among Pigeonpea Genotypes Grown under Off-season (Rabi) Conditions

Yaksha K., Shivani D., Prakash I. Gangashetty, Yogendra K., Jaba Jagdish, Sunita Choudhary

Journal of Advances in Biology & Biotechnology · pp. 807–813 · Published 12 Jul 2025

10.9734/jabb/2025/v28i72598

Abstract

Pigeonpea (Cajanus cajan L. Millspaugh) is an important legume crop cultivated in rainfed areas due to its adaptability and soil-enriching properties. This study evaluated 250 genotypes from the PI-GAP (Pigeonpea International Genome-Wide Association Panel) for days to maturity under rabi season at ICRISAT, Patancheru. Maturity ranged from 92 to 209 days, with a mean of 141 days. Genotypes were grouped into five maturity classes, with most falling in the early category. Analysis of variance showed significant genetic effects (p < 0.001), supported by moderate GCV and PCV, high heritability (97.63%), and high genetic advance. A strong positive correlation (r = 0.78) was observed between plant height and days to maturity. Principal Component Analysis revealed that PC1 explained 88.64% of the total variance. These results highlight the potential of early and late maturing lines for target-specific pigeonpea breeding under diverse cropping systems.

Days to maturity PCA stability selection variability

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Yaksha K., Shivani D., Prakash I. Gangashetty, Yogendra K., Jaba Jagdish, Sunita Choudhary (2025). Exploring Genetic Diversity in Maturity Duration among Pigeonpea Genotypes Grown under Off-season (Rabi) Conditions. Journal of Advances in Biology & Biotechnology , 807–813. https://doi.org/10.9734/jabb/2025/v28i72598

Affiliations

Yaksha K. — Department of Genetics and Plant Breeding, College of Agriculture, Professor Jayashankar Telangana Agricultural University, Rajendranagar, Hyderabad, India and International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru, Hyderabad, India.
Shivani D. — Department of Genetics and Plant Breeding, College of Agriculture, Professor Jayashankar Telangana Agricultural University, Rajendranagar, Hyderabad, India.
Prakash I. Gangashetty — International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru, Hyderabad, India.
Yogendra K. — International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru, Hyderabad, India.
Jaba Jagdish — International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru, Hyderabad, India.
Sunita Choudhary — International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru, Hyderabad, India.

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