The Journal of Phytopharmacology, 2021;10(2):139-143 DOI:10.31254/phyto.2021.10211

Research Article

Assessment of Correlation and Path Coefficient Analysis for Yield Attributing and Quality Traits in promising rice varieties cultivated in Tamil Nadu

M.Vinod Kumar Naik¹ , M. Arumugam Pillai² , S. Saravanan³

M.Vinod Kumar Naik,M. Arumugam Pillai,S. Saravanan

1. Ph. D (Ag), Department of Genetics and Plant Breeding, S.V. Agricultural College, Acharya NG Ranga Agricultural University (ANGRAU), Tirupati-517502, Andhra Pradesh, India
2. Professor and Head, (Breeding), Depart of Genetics and Plant Breeding, AC& RI, Tamil Nadu Agricultural University (TNAU), Killikulam-628252, Tamil Nadu, India
3. Assistant Professor, (Breeding), Depart of Genetics and Plant Breeding, AC& RI, Tamil Nadu Agricultural University (TNAU), Killikulam-628252, Tamil Nadu, India

*Author to whom correspondence should be addressed.

Received: 17th March, 2021 / Accepted: 12th April, 2021

Abstract

In this study 55 promising rice varieties cultivated in Tamil Nadu was selected and raised in Randomized Block design with two replications. To reveal the nature and degree of correlation and path analysis between yield and quality traits. The results of correlation analysis showed traits like number of filled grains per panicle, productive tillers per plant had positive significant association with the single plant yield. The direct and indirect effects through path coefficient analysis unveils maximum positive direct effect of single plant yield with number of productive tillers recorded followed by days to fifty percent flowering, number of filled grains, gel consistency, 1000 grain weight and hulling percentage in both genotypical and phenotypical path analysis Therefore, the trait number of productive tillers per plant plays a major role in shaping the single plant yield in rice on which selection pressure has to be applied for increasing the seed yield.