R. Bartual, E. A. Carbonell and D. E. Green, “Multivariate Analysis of a Collection of Soybean Cultivars for Southeastern Spain,” Eu-phytica, Vol. 34, No. 4, 1985, pp. 113-123. doi:10.1007/BF00022870
 O. J. Ariyo, “Genetic Diversity in West Africa Okra (Abelmoschus caillei L. Chev.) Stevels-Multivariate Analysis of Morphological and Agronomic Characteristics,” Genetic Resources and Crop Evolution, Vol. 40, No. 1, 1993, pp. 25-32. doi:10.1007/BF00053461
 F. Flores, J. C. Gutrerrez, J. Lopez, M. T. Moreno and J. I. Cubero, “Multivariate Analysis Approach to Evaluate a Germplasm Collection of Heydsarum coronarium L.,” Genetic Resources and Crop Evolution, Vol. 44, No. 6, 1997, pp. 545-555. doi:10.1023/A:1008682019883
 O. K. K. Mponda, S. Morse, D. Gibbon and A. E. Arthur, “Genetic Studies on Seedling Vigour in Sesame,” Annual of Applied Botany, Vol. 131, No. 1, 1997, pp. 161-170. doi:10.1111/j.1744-7348.1997.tb05403.x
 T. Cardi, “Mul-tivariate Analysis of Variation among Solanum commersomi (+) S. tuberosum Somatic Hybrids with Different Ploidy Levels,” Euphtica, Vol. 99, No. 1, 1998, pp. 35-41. doi:10.1023/A:1018361016968
 J. D. Berdahl, H. F. Mayland, K. H. Asay and P. G. Jefferson, “Variation in Agro-nomic and Morphological Traits among Russian Wildrye Ac-cessions,” Crop Science, Vol. 39, No. 6, 1999, pp. 1890-1895. doi:10.2135/cropsci1999.3961890x
 M. A. Adebisi, “Variation, Stability and Correlation Studies in Seed Quality and Yield Components of Sesame (Sesamum indicum L.),” Unpublished Ph.D. Thesis, University of Agriculture, Abeo-kuta, 2004, 122 pages.
 M. A. Adekoya, M. A. Adebisi, A. M. Abdul-Rafiu and J. O. Amira, “Effect of Genotype and Seed Production Environment on Growth and Seed Yield Characters of Twenty Okra (Abelmoschus esculentus, L.),” Proceedings of the 34th Annual Conference of the Genetics Society of Nigeria (GSN), Ibadan, 19-24 September 2010, pp. 137-146.
 O. J. Ariyo, “Multivariate Analysis and Choice of Parents Hy-bridization in Okra (Abelmoschus esculentus L.),” Theoretical and Applied Genetics, Vol. 74, No. 3, 1987, pp. 361-363. doi:10.1007/BF00274718
 N. V. Nair, R. Balakrishan and T. V. Screenivasan, “Variability for Quantitative Traits in Exotic Hybrid Germplasm of Sugarcane,” Genetic Resources and Crop Evolution, Vol. 45, No. 5, 1998, pp. 459-464. doi:10.1023/A:1008696617524
 O. J. Ariyo, “Measurement and Classification of Genetic Diversity in Okra (Abelmoschus esculentus),” Annals of Applied Biology, Vol. 116, No. 2, 1999, pp. 335-341. doi:10.1111/j.1744-7348.1990.tb06615.x
 D. C. A. Akin-tobi, M. A. Adebisi and D. K. Ojo, “Multivariate Analysis of Phenetic Similarity of Cowpea Genotypes in Different Agro-Ecological Zones,” Nigerian Journal of Ecology, Vol. 4, No. 1, 2002, pp. 18-23.
 S. V. Lee, J. H. Lee and T. O. Kwon, “Varietal Differences in Seed Germination and Seedling Vigour of Korean Rice Varieties Following Dry Heat Treatment,” Seed Science and Technology, Vol. 30, 2001, pp. 311-321.
 R. P. S. Kharb, B. P. S. Lather and D. P. Deswal, “Prediction of Field Emergence through Heritability and Genetic Advance of Vigour Parame-ters,” Seed Science and Technology, Vol. 22, 1994, pp. 461-466.
 S. Ruan, Q. Xue and K. Tylkowska, “The In-fluence of Priming on Germination of Rice (Oryza sativa L.) Seeds and Seedling Emergence and Performance in Flooded Soil,” Journal of Seed Science and Technology, Vol. 30, 2002, pp. 61-67.
 A. A. Raji, “Assessment of Genetic Diversity and Heterotic Rela-tionships in African Improved and Local Cassava (Manihot esculenta Crantz) Germplasm,” Ph.D. Thesis, Obafemi Awolo-wo University, Ile Ife, 2003, 120 pages.
 M. A. Adebisi, T. A. Adeniyi, M. O. Ajala and D. C. Akintobi, “Varietal Differences in Seed Physiological Quality of West African Rice Varieties after Dry Heat Treatment,” Nigerian Agricultural Journal, Vol. 39, No. 2, 2008, pp. 159-169.