Unveiling the Rice Hybrid Parental Lines - A Study of Genetic Variability for Yield Attributing Traits  (Oryza sativa. L)

Immanuel Antipas. Y; Sridhar. V; Revathi. P; Laha. G. S

doi:10.9734/jeai/2025/v47i13237

Research Article Open access CC BY 4.0

Unveiling the Rice Hybrid Parental Lines - A Study of Genetic Variability for Yield Attributing Traits (Oryza sativa. L)

Immanuel Antipas. Y, Sridhar. V, Revathi. P, Laha. G. S

Journal of Experimental Agriculture International · pp. 357–363 · Published 23 Jan 2025

10.9734/jeai/2025/v47i13237

Abstract

Fifty-five rice hybrid parental lines along with five checks were evaluated in augmented block design (ABD) at ICAR-IIRR Hyderabad, to determine the genetic variability, heritability and genetic advance for ten traits during Rabi,2023-24. Analysis of variance showed that significant variation was present in the hybrid parental lines studied. The phenotypic coefficient of variation was found to be higher than the genotypic coefficient of variation for all the traits. High GCV (Genotypic Coefficient of Variation) and PCV (Phenotypic Coefficient of Variation) levels were recorded for number of productive tillers (20.12% and 22.28%) and grain yield per plant (21.82% and 23.88%) respectively. Heritability was high for all the traits studied. High heritability coupled with high genetic advance as percent of mean was recorded for majority of the traits suggesting importance should be given to these characters during selection.

Rice genetic variability heritability genetic advance as percent of mean

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Immanuel Antipas. Y, Sridhar. V, Revathi. P, Laha. G. S (2025). Unveiling the Rice Hybrid Parental Lines - A Study of Genetic Variability for Yield Attributing Traits (Oryza sativa. L). Journal of Experimental Agriculture International , 357–363. https://doi.org/10.9734/jeai/2025/v47i13237

Affiliations

Immanuel Antipas. Y — Department of Genetics and Plant Breeding, Professor Jayashankar Telangana Agricultural University, Rajendranagar, Hyderabad (Telangana), India.
Sridhar. V — Department of Genetics and Plant Breeding, Agricultural Research Station, PJTAU, Kampasagar, Nalgonda (Telangana), India.
Revathi. P — Division of Crop Improvement, ICAR-Indian Institute of Rice Research, Rajendranagar, Hyderabad (Telangana), India.
Laha. G. S — Division of Plant Pathology, ICAR- Indian Institute of Rice Research, Rajendranagar, Hyderabad (Telangana), India.

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