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GENETIC VARIABILITY, HERITABILITY AND GENETIC GAIN IN BREAD WHEAT (TRITICUMAESTIVUM L)

R.K. Kamboj

Affiliations

¹Department of Pla11t Breeding and Genetics, SKN College of Agriculture, Jobner (Jaipur) 303329, India

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Cite article:- Kamboj R.K. (2025). GENETIC VARIABILITY, HERITABILITY AND GENETIC GAIN IN BREAD WHEAT (TRITICUMAESTIVUM L). Agricultural Science Digest. 23(4): 309 - 310. doi: .

ABSTRACT

Genetic variability, heritability and expected genetic gain were studied.for seven characters in 14 strains of wheat (Triticum aestivum L.). Genetic coefficient of variability ranged from 3.64 (no. of days to maturity) to 24.70 (grain, yield per plant). Highest estimates of heritability were observed for grain yield per plot (75.24%) and lowest for no. of days to 75% flowerihg (46.60%). The genetic gain ranged from 5.54 (no. of days to maturity) to 40.83 (grain yidd per plant) per cent. The characters grain yield per plant and grain yield per plot showed high heritability and high genetic coefficient of variability along with high genetic gain, hence more reliance should be placed on these characters for direct selection.

KEYWORDS

REFERENCES

Burton, GW. (1952). Proc. 6th Int. Grassld. Cong., 1: 277-283.
Burton, GW. and Devane, E.W. (1953). Agron. J., 45: 478481.
Johnson, HW. etal (1955). Agron. J., 47: 314-318.

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