volume 35 issue 2 (june 2001) : 79 - 84
VARIABILITY, CORREtATION AND PATH 1\~ALYSIS IN RICE VARIETIES UNDER DIFFERENT SPACINGS
1Department of Genetics and Plant Breeding,
Agricultural College, Bapatla - 522101, India
Published In
Indian Journal of Agricultural Research
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volume 35 issue 2 (june 2001) : 79 - 84
VARIABILITY, CORREtATION AND PATH 1\~ALYSIS IN RICE VARIETIES UNDER DIFFERENT SPACINGS
1Department of Genetics and Plant Breeding,
Agricultural College, Bapatla - 522101, India
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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Published In
Indian Journal of Agricultural Research