Journal of Bioscience and Agriculture Research
Correlation and Path Coefficient Analysis of Some Exotic Early Maturing Rice (Oryza sativa L.) Lines
Md. Manik Sarker, Lutful Hassan, Mirza Mofazzal Islam (1), Md. Mamunur Rashid (2) and Shahjahan Seraj
Department of Genetics and Plant Breeding, Faculty of Agriculture, Bangladesh Agricultural University, Mymensingh.
(1) Biotechnology Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh.
(2) Farm Management Division, Bangladesh Rice Research Institute, Gazipur, Bangladesh.
J. bios. agric. res., volume 01, issue 01, pp. 01-07 | Available online: 08 May 2014.
DOI: https://doi.org/10.18801/jbar.010114.01
Department of Genetics and Plant Breeding, Faculty of Agriculture, Bangladesh Agricultural University, Mymensingh.
(1) Biotechnology Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh.
(2) Farm Management Division, Bangladesh Rice Research Institute, Gazipur, Bangladesh.
J. bios. agric. res., volume 01, issue 01, pp. 01-07 | Available online: 08 May 2014.
DOI: https://doi.org/10.18801/jbar.010114.01
| Correlation and Path Coefficient Analysis of Some Exotic Early Maturing Rice (Oryza sativa L.) Lines.pdf |
ABSTRACT
Correlation and path coefficient analyses of thirty two (32) exotic early maturing rice (Oryza sativa L.) lines were evaluated through their yield and yield contributing characters. Almost all the lines exhibited significance difference for different characters. The results indicated that days to 50% flowering (0.42*), days to maturity (0.35*), total tillers hill-1(0.71**), effective tillers hill-1 (0.82**) had positive and significant association with yield plant-1for phenotypic correlation coefficient; whereas, unfilled grains panicle-1 (-0.19*) had significantly negative correlation with yield. For phenotypic correlation coefficient, the days to 50% flowering (0.50*), days to maturity (0.39*), total tillers hill-1(0.80**), effective tillers hill-1 (0.88**) showed positive and significant association with yield plant-1, on the other hand unfilled grains panicle-1 (-0.19*) had significantly negative correlation with yield. Path analysis revealed that days to maturity (0.87**), total number of tillers hill-1(0.25**), effective number of tillers hill-1(0.48**), panicle length (0.68**) and number of filled grain panicle-1 (1.29**) had positive direct effects on yield plant-1. Results suggest days to maturity, total number of tillers hill-1, and effective number of tillers hill-1 may be used as reliable criteria for improving yield of early maturing rice.
Key words: Correlation, Path Analysis, Early Maturing, Rice and Yield
Please cite this article as:
M. M. Sarkar, L. Hasan, M. M. Islam, M. M. Rashid and S. Seraj (2014).Correlation and path coefficient analysis of some exotic early maturing rice (Oryza sativa L.) lines. Journal of Bioscience and Agriculture Research, 01 (01), 01-07.
Correlation and path coefficient analyses of thirty two (32) exotic early maturing rice (Oryza sativa L.) lines were evaluated through their yield and yield contributing characters. Almost all the lines exhibited significance difference for different characters. The results indicated that days to 50% flowering (0.42*), days to maturity (0.35*), total tillers hill-1(0.71**), effective tillers hill-1 (0.82**) had positive and significant association with yield plant-1for phenotypic correlation coefficient; whereas, unfilled grains panicle-1 (-0.19*) had significantly negative correlation with yield. For phenotypic correlation coefficient, the days to 50% flowering (0.50*), days to maturity (0.39*), total tillers hill-1(0.80**), effective tillers hill-1 (0.88**) showed positive and significant association with yield plant-1, on the other hand unfilled grains panicle-1 (-0.19*) had significantly negative correlation with yield. Path analysis revealed that days to maturity (0.87**), total number of tillers hill-1(0.25**), effective number of tillers hill-1(0.48**), panicle length (0.68**) and number of filled grain panicle-1 (1.29**) had positive direct effects on yield plant-1. Results suggest days to maturity, total number of tillers hill-1, and effective number of tillers hill-1 may be used as reliable criteria for improving yield of early maturing rice.
Key words: Correlation, Path Analysis, Early Maturing, Rice and Yield
Please cite this article as:
M. M. Sarkar, L. Hasan, M. M. Islam, M. M. Rashid and S. Seraj (2014).Correlation and path coefficient analysis of some exotic early maturing rice (Oryza sativa L.) lines. Journal of Bioscience and Agriculture Research, 01 (01), 01-07.
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