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Indian Journal of Agricultural Research, volume 35 issue 2 (june 2001) : 79 - 84

VARIABILITY, CORREtATION AND PATH 1\~ALYSIS IN RICE VARIETIES UNDER DIFFERENT SPACINGS

C. Tara Satyavathi*, Ch.Bharadwaj, D. Subramanyam

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¹Department of Genetics and Plant Breeding, Agricultural College, Bapatla - 522101, India

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Cite article:- Satyavathi* Tara C., Ch.Bharadwaj, Subramanyam D. (2024). VARIABILITY, CORREtATION AND PATH 1\~ALYSIS IN RICE VARIETIES UNDER DIFFERENT SPACINGS. Indian Journal of Agricultural Research. 35(2): 79 - 84. doi: .

ABSTRACT

Variability studies in 15 rice varieties revealed that there were considerable differences in the influence of different spacing on the expression of yield and grain quality characters except L/B ratio and panicle length. Correlation studies showed that selection can be practiced for number of productive tillers per plant, number of grains per panicle, L/B ratio and 100 rice grain weight as these characters manifested positive and significant correlation with grain yield in all the three spacings. A significant relationship between amylose content and gel consistency was also observed. Path coefficient analysis revealed that the characters number of productive tillers per plant, number of grains per panicle, L/B ratio and 100 rice grain weight were found to be the main contributors to grain yield in all the three different spacings.

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REFERENCES

Ananad Kumar, C.R. (1992) O1yza., 29:11-13.
Bharadwaj, Ch., etal. (1997) Bio-Sci. Res. Bui., 13(1):15-18.
Majumdar, N.D. et al. (1990) IRRI News!. 15:8.
Paramasivan and Sree Rangasamy. (1988) Oryza:, 25:111-119.
Wilfred Manual, W. and Palani Samy, S. (1989) Oryza., 26: 23&-242.

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VARIABILITY, CORREtATION AND PATH 1\~ALYSIS IN RICE VARIETIES UNDER DIFFERENT SPACINGS

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