Genetic Variability, Correlation and Path Analysis of Different Hill-Rice (Oryza Sativa) Genotypes

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Namrata Acharya
Namrata Acharya
2
Subarna Sharma Acharya
Subarna Sharma Acharya
3
Ankur Poudel
Ankur Poudel
4
Narayan Neupane
Narayan Neupane

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GJSFR Volume 19 Issue D4

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Rice (Oryza sativa), a staple food crop is central to the lives of people around the world. Present production of rice will not suffice rapidly increasing population as the area for production is decreasing. This necessitate to increase the productivity of rice through crop improvement. In order to identify suitable traits that contribute for crop improvement through the estimation of genetic variability, correlation and path coefficient analysis an experiment on eleven rice genotypes was conducted in randomized complete block design (RCBD) with three replications under irrigated condition at Institute of Agriculture and Animal science, Lamjung. Analysis of Variance revealed that genotypes under study differed significantly for all the traits under study which implies that genotypes constitute a pool of germplasm with adequate variability. The phenotypic coefficient of variation (PCV) values were higher than genotypic coefficient of variation (GCV), revealing lower influence of environment in character expression. High heritability coupled with high genetic advance and moderate GCV were observed for leaf area, number of effective tillers per m 2 and days to 50% flowering.

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No external funding was declared for this work.

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The authors declare no conflict of interest.

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Namrata Acharya. 2019. \u201cGenetic Variability, Correlation and Path Analysis of Different Hill-Rice (Oryza Sativa) Genotypes\u201d. Global Journal of Science Frontier Research - D: Agriculture & Veterinary GJSFR-D Volume 19 (GJSFR Volume 19 Issue D4): .

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GJSFR Volume 19 Issue D4
Pg. 37- 41
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Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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GJSFR-D Classification: FOR Code: 060499
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v1.2

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November 12, 2019

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English

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Rice (Oryza sativa), a staple food crop is central to the lives of people around the world. Present production of rice will not suffice rapidly increasing population as the area for production is decreasing. This necessitate to increase the productivity of rice through crop improvement. In order to identify suitable traits that contribute for crop improvement through the estimation of genetic variability, correlation and path coefficient analysis an experiment on eleven rice genotypes was conducted in randomized complete block design (RCBD) with three replications under irrigated condition at Institute of Agriculture and Animal science, Lamjung. Analysis of Variance revealed that genotypes under study differed significantly for all the traits under study which implies that genotypes constitute a pool of germplasm with adequate variability. The phenotypic coefficient of variation (PCV) values were higher than genotypic coefficient of variation (GCV), revealing lower influence of environment in character expression. High heritability coupled with high genetic advance and moderate GCV were observed for leaf area, number of effective tillers per m 2 and days to 50% flowering.

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Genetic Variability, Correlation and Path Analysis of Different Hill-Rice (Oryza Sativa) Genotypes

Namrata Acharya
Namrata Acharya
Subarna Sharma Acharya
Subarna Sharma Acharya
Ankur Poudel
Ankur Poudel
Narayan Neupane
Narayan Neupane

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