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Electronic Journal of Plant Breeding
Year : 2011, Volume : 2, Issue : 1
First page : ( 112) Last page : ( 116)
Online ISSN : 0975-928X.

Correlation and path coefficient analysis of yield and yield contributing traits in rice hybrids and their parental lines

Bhadru D.*, Reddy D. Lokanadha, Ramesha M.S.1Rice Breeder

Agricultural Research Station, Kampasagar, Babu Sai pet(Post), Thripuraram mandal, Nalgonda Dist., Andhra Pradesh, Acharya N.G. Ranga Agricultural University

1CSISA project, Barvalle Foundation, Hyderabad

* Email: badri002gpb@yahoo.co.in

Online published on 12 April, 2012.

Received:  31  December,  2010; Accepted:  25  January,  2011.

Abstract

Correlation and path coefficient analysis was carried out for yield and yield components in 93 rice genotypes involving hybrids and their parental lines. Plant height, productivity per day, filled grains per panicle, days to 50 per cent flowering and panicle weight had a significant positive association with yield and also had a positive direct effect on yield both at the phenotypic and genotypic levels. These traits contributed maximum to higher grain yield compared to other characters, thus, selection for these characters helps in selection of superior cross combinations in hybrid rice.

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Keywords

Hybrid rice, correlation, path analysis.

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