Agricultural Science Digest

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Agricultural Science Digest, volume 34 issue 4 (december 2014) : 307 - 309

COMPONENT ANALYSIS OF DIFFERENT TRAITS IN RICE (ORYZA SATIVA L.) UNDER TEMPERATE CONDITIONS

M. Habib, G.A. Parray, Z.A. Dar*
1Division of Plante Breeding and Genetics SKUAST-K, Shalimar, Kashmir-190 025, India
Cite article:- Habib M., Parray G.A., Dar* Z.A. (2024). COMPONENT ANALYSIS OF DIFFERENT TRAITS IN RICE (ORYZA SATIVA L.) UNDER TEMPERATE CONDITIONS. Agricultural Science Digest. 34(4): 307 - 309. doi: 10.5958/0976-0547.2014.01027.1.

ABSTRACT

Component analysis indicated that additive component of genetic variance was significant for all the traits except panicle length and 1000-grain weight whereas, measures of dominance component were significant for all the traits suggesting the involvement of both these components in the inheritance of these traits, but the greater magnitude of dominance component than its corresponding additive component of variance demonstrated greater role of dominance in genetic control of these traits. The average degree of dominance indicated over- dominance for all the traits. Frequency of recessive alleles was in excess of dominant alleles.

REFERENCES

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  2. Mather, K. (1979). Biometrical Genetics. Dover Publication Inc. New York, pp 486-492.
  3. Pooni, H.S., Jinks, J.L. and Singh, R.H. (1984). Methods of analysis and the estimation of genetic parameters from a diallel set of crosses. Heredity 12: 477-492.
  4. Kumar, S., Singh, H.B. and Sharma, J.K. (2007). Combining ability analysis for grain yield and other associated traits in rice. Oryza 44(2): 108-114.
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  6. Hayman, B.I. (1954). The analysis of variance of diallel table. Biometrics 10: 235-244.
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