Correlation and path analysis were carried out in 12 varieties of gladiolus for different yield attributing traits at the Horticultural Research Station, Tamil Nadu Agricultural University, Yercaud. The results indicated that the Rachis length was positive and significantly correlated with mother corm weight (g), plant height at 60th days after planting (DAP) (cm), number of leaves per plant at 60th (DAP), length of spike (cm), weight of daughter corm (g) and vase life (days). But, it is negative and significantly correlated with number of days taken for first floret opening (rg: -0.714 & rp: -0.664), number of daughter corms per plant (rg: -0.826 & rp: -0.724) and marketable spikes per plant (rg: -0.561 & rp: -0.418) at both genotypic and phenotypic levels. For path analysis the residual effect was 0.174 and it was evident that the highest direct effect on length of rachis was observed in case of mother corm size (0.951) and weight of the daughter corm (0.943), followed by number of daughter corms per plant (0.859), number of florets per spike (0.849), length of first floret (0.832), marketable spikes per plant (0.385), number of leaves per plant at 60th DAP (0.384), diameter of first floret (0.374) and length of spike (0.221) under Shevaroys conditions
Correlation and path analysis, Gladiolus, Shevaroys conditions and varieties
Archana B. B. (2006). Evaluation of gladiolus hybrids (Gladiolus hybridus Hort.) for yield and quality cut flower production. M.Sc. (Agri.) Thesis, University of Agricultural Sciences, Dharwad, Karnataka, India.
Basavaraddy, M. (2004). Evaluation of elite hybrids of gladiolus for cut flower production under transition tract of Karnataka. M.Sc. (Agri) Thesis, University of Agricultural Sciences, Dharward, Karnataka, India.
Butt S.J., Varis S. Nasir I.A., Sheraz S., Shahid A., and Ali Q., 2015, Micro Propagation in Advanced Vegetable Production: A Review. Adv. Life Sci., 2(2): 48-57
Dewey, D.R. and K.H. Lu. (1959). A correlation and path coefficient analysis of components of crested wheat grass seed production. Agron. J., 51(9): 515-518.
Hegde, M. V., (1994). Studies of variability, correlation, path analysis and performance of gladiolus hybrids. M.Sc., (Agri) Thesis. University of Agricutural scinces, Dharwad Karnataka, India.
Innes, C., (1985). The world of Iridaceae, a comprehensive record. Holly Gate International Limited, England.
Kumar, R. and Kumar, S. (2010). Correlation studies in snapdragon (Antirrhinum majus L.). J. Orna. Hortic., 13(2):133-137.
Li, C.C. (1956). Biometrics. The concept of path co-efficient and impact on population genetics. 12, 190-210.
Maurya, P.K., Binayak, R.K., Chakraborty, R.M. and Mishra, D.S. (2011). Genetic variability and correlation studies in gladiolus under Tarai condition. Ann. Hortic., 4(2): 140-146.
Miller, P. A., Willioms, C.V., Robinson, H.F. and Comstock, R.E. (1958). Estimates of genotypic and environment variance and co-variance in upland cotton and their implication in selection. Agron J 50 (3): 126-131.
Mishra, R.L. and Saini, H.C., (1990). Correlation and path coefficient studies in gladiolus. Indian J. Hort., 47(1): 127-132.
Mishra, R.L., Singh, B. and Palai, S.K., (2003). Gladiolus In: Commercial Flowers (vol.2). Edt. Bose, T.K., Yadav, L.P., Pal, P., Parthasarathy, V.A. and Das, P., Nayaudoyog Pubilishers, Kolkata. India. pp1-112.
Pattanik, S., Paul, A. and Lenka, P.C. (2015). Genotypic and phenotypic variability studies in gladiolus. J. Crop Weed, 11(1): 113-119.
Ranchana, P., Kannan, M. and Jawaharlal, M. (2015). Assessment of genetic and correlation studies in single types of tuberose (Polianthes tuberosa). J.N.A.Ag.Sc., 33:2.
Rashmi, L. (2006). Evaluation of promising hybrids gladiolus. M.Sc. (Agri.) Thesis, University of Agricultural Sciences, Dharwad, Karnataka, India.
Sandhu, G.P.S., Sharma, S.C. and Arora, J.S. (1990). Association among morphological traits in gladiolus. J. Punjab Hort., 30 (1-4): 191-194.
Wright, S. (1921). Correlation and causation. J. Agri. Res., 20: 557-585.
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