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Correlation and Path Analysis for Yield and Quality Attributes in Sugarcane


Author(s):

Swamy Gowda, S.N. , Zonal Agricultural Research Station, (UAS, Bangalore), V.C. Farm, Mandya - 571405, Karnataka. India. ; Saravanan, K., Department of Genetics and Plant Breeding, Faculty of Agriculture, Annamalai University, Annamalainagar, Tamil Nadu, India. ; Ravishankar, C.R., Zonal Agricultural Research Station, (UAS, Bangalore), V.C. Farm, Mandya - 571405, Karnataka. India.

Keywords:

Cane yield, variability, correlation and path co efficient analysis

Abstract:

An investigation was conducted at the Zonal Agricultural Research Station V.C. Farm, Mandya, Karnataka, India during 2008-2009 under irrigated condition for studying correlation and path coefficient analysis in thirty selected clones of sugarcane (Saccharum spp) plant crop for yield, yield components and quality characters. Analysis of variance revealed significant difference for all the characters studied. The cane yield considered as the most important character of sugarcane was positively and significantly correlated with sugar yield, single stalk weight, number of tillers, stalk length, stalk internode length, germination percentage, number of internodes. There was also positive significant correlation of number of millable cane and stalk diameter with cane yield. Cane yield was negatively and significantly correlated with juice brix per cent and juice pol per cent, whereas, sugar yield showed positive and significant correlation with single stalk weight, cane length, stalk internode length, CCS per cent, juice pol per cent and juice purity per cent. Path coefficient analysis revealed that sugar yield and number of millable canes were major direct contributors for cane yield. Stalk diameter, germination percentage and stalk length also showed positive direct effect on cane yield. CCS per cent, juice brix per cent, single stalk weight, stalk internode length, number of tillers, juice pol per cent whereas number of internodes had negative direct effect on cane yield. The present study suggests that selection on based sugar yield, number of millable cane, stalk diameter and stalk length would be worthwhile for ameliorating over all juice pol per cent and cane yield.


Other Details:

Manuscript Id :IJSTEV3I2052
Published in :Volume : 3, Issue : 2
Publication Date: 01/09/2016
Page(s): 133-137
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