Asian Journal of Bio Science

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Variability, Heritability and Genetic Advance in Rice (Oryza sativa L.)


Affiliations
1 Department of Genetics and Plant Breeding, Pilikothi Farm of Tilak Dhari Post Graduate College, Jaunpur (U.P.), India
     

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Genetic parameters for yield and its correspondent characters in rice were estimated from a trial with two CMS, twenty testers and forty hybridscross evaluated for ten characters related to yield. The highest GCV was recorded for grain yield plant-1. High heritability and the low genetic advance were recorded for grain yield plant-1, spikelet fertility, plant height, harvest index, seedling height, flag leaf area, panicle bearing tillers plant-1, test weight and panicle length suggesting apredominance of non-additive gene action in the inheritance of these traits.

Keywords

Rice, Genetic Variability, Heritability, Genetic Advance.
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  • Variability, Heritability and Genetic Advance in Rice (Oryza sativa L.)

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Authors

Sujeet Kumar
Department of Genetics and Plant Breeding, Pilikothi Farm of Tilak Dhari Post Graduate College, Jaunpur (U.P.), India
Alok Kumar Singh
Department of Genetics and Plant Breeding, Pilikothi Farm of Tilak Dhari Post Graduate College, Jaunpur (U.P.), India

Abstract


Genetic parameters for yield and its correspondent characters in rice were estimated from a trial with two CMS, twenty testers and forty hybridscross evaluated for ten characters related to yield. The highest GCV was recorded for grain yield plant-1. High heritability and the low genetic advance were recorded for grain yield plant-1, spikelet fertility, plant height, harvest index, seedling height, flag leaf area, panicle bearing tillers plant-1, test weight and panicle length suggesting apredominance of non-additive gene action in the inheritance of these traits.

Keywords


Rice, Genetic Variability, Heritability, Genetic Advance.

References