American Association of Cereal Chemists (AACC) (2000). Approved Methods of the American Association Cereal Chemists.American Association of Cereal Chemists. Inc., St. Paul, Minnesota.

Abinasa M, Ayana A, Bultosa G (2011). Genetic variability, heritability, and trait associations in durum wheat (Triticum turgidum L. var. durum) genotypes. African Journal of Agricultural Research 6(17):3972-3979.

Ahmed Z, Ajamal S, Munir M, Zubair M, Massod M (2008). Genetic diversity for morpho-genetic traits in barley germplasm. Pakistan Journal of Botany 40(3):1217-1224.

Allard RW (2006). Principles of Plant Breeding. New York, John Willey, and Sons Inc.

Amin MR, Barma NCD, Razzague MA (2004). Variability, heritability, genetic advance, and correlation study in some quantitative character in durum wheat. Rachis News Letter 11(4):30-32.

Amsal T, Tanner DG, Getnet G (2006). Effect of genetic improvement of morph physiological character related to grain yield of barley in Ethiopia. Africa Crop Sciences Journal 2(3):247-255.

Aremu CO (2012). Exploring statistical tools in measuring genetic diversity for crop improvement. In: Genetic Diversity in Plants edited by M. Caliskan (InTech), pp.340-348.

Azeb H, Sentayehu A, Mandefro N, Ermias A (2016). Correlation and path coefficient analysis of yield and yield associated traits in barley (Hordeum vulgare L.) Germplasm. Advances in Crop Science and Technology pp. 1-7.

Bekele G, Solomon A, Balcha Y, Desalegn D, Temesgen K (2008). Prospects and retrospect of barley germplasm in Ethiopia.

Birhanu M, Sentayehu A, Alemayehu A, Ermias A, Dargicho D (2016). Genetic variability, heritability,, and genetic advance for yield and yield-related traits in bread wheat (Triticum aestivum L.) genotypes. Global Journal Science Research 16(7):12-15.

Blanco A, Bellomo MP, Cenci A, DeGiovanni C, Dovidio R, Iacono E, Laddomada B, Pagnot MA, Porceddu E, Sciancalepore A, Simeone R, Tanzarella OA (1998). A genetic linkage map of durum wheat. Theoretical and Applied Genetics 97(5):721-728.
Crossref

Burton GW, Devane EH (1953). Genetic variability and heritability in soybean. Agronomy Journal 45(1):478-481.
Crossref

Chand N, Vishwakarma SR, Verma OP, Kumar M (2008). Worth of genetic parameters to sort out new elite barley lines over heterogeneous environments. Barley Genetics Newsletter 38:10-13.

Christianson MN, Lewis CF (2003). Breeding Plants for Less Favorable Environments. New York, Chichester, Brisbane, Toronto, Singapore. A Wiley-Inter Science Publication, John Wiley and Sons.

Desalegn D, Bekele G, Balacha Y, Zewdie A (2007). Grain yield response some barley cultivars in diverse environments of Ethiopia, 387-389.

Deshmukh SN, Basu MS, Reddy PS (1986). Genetic variability, character association, and path coefficients of quantitative traits in Virginia bunch varieties of groundnut. Indian Journal of Agricultural Sciences 56(5):515-518.

Dwived AN, Pawar IS, Shashi M, Madan S (2002). Studies on variability parameters and character association among yield and quality attributing traits in wheat. Haryana Agricultural University, Journal Research 32(2):77-80.

Eid MH (2009). Estimation of heritability and genetic advance of yield traits in wheat (Triticum aestivum L.) under drought condition. International Journal of Genetics and Molecular Biology 1(7):115-120.

Falconer DS, Mackay TFC (1996). Introduction to Quantitative Genetics.4th ed. Malaysia, Long man Group Limited 464 p.

Frankel OH, Brown AHD, Burdon JJ (1995). The Conservation of Plant Biodiversity. Cambridge: Cambridge University Press.

Ghuttai G, Mohammad F, Khan FU, Khan WU, Zafar FZ (2015). Genotypic Differences and Heritability for Various Polygenic Traits in F Wheat Populations. American-Eurasian Journal of Agriculture and Environmental Science 15(10):2039-2044.

Giraldo P, Royo C, González M, Carrillo JM, Ruiz M (2016). Genetic diversity and association mapping for agromorphological and grain quality traits of a structured collection of durum wheat landraces. durum, turgidum and diccocon. PloS one 11(11):166.
Crossref

Jalata Z, Ayana A, Zeleke H (2010). Variability, heritability and genetic advance for some yield and yield-related traits in Ethiopian barley (Hordeum vulgare L.) landraces and crosses. International Journal of Plant Breeding and Genetics 5(1):44-52.
Crossref

Johnson HW, Robinson HF, Comstock RE (2010). Genotypic and Phenotypic Correlations in Soybeans and Their Implications in Selection 1 Agronomy Journal 47(10):477-483.
Crossref

Johnson HW, Robinson HF, Comstock RE (1955). Genotypic and phenotypic correlations in soybeans and their implications in selection 1. Agronomy Journal 47(10):477-483.
Crossref

Kahrizi D, Cheghamirza K, Kakaei M, Mohammadi R, Ebadi A (2010a). Heritability and genetic gain of some morphophysiological variables of durum wheat (Triticum turgidum var. durum). African Journal of Biotechnology 9(30):4687-4691.

Kahrizi D, Maniee M, Mohammadi R, Cheghamirza K (2010b). Estimation of genetic parameters related to morpho-agronomic traits of Durum Wheat (Triticum turgidum var. durum). Biharean Biologist 4(2):93-97.

Kalimullah S, Khan J, Irfaq M, Rahman HU (2012). Genetic variability, correlation and diversity studies in bread wheat (Triticum aestivum L.) germplasm. Journal of Animal and Plant Sciences 22(2):330-333.

Khan SA (2013). Genetic Variability and Heritability Estimates in F2 bread wheat Genotypes. International Journal of Agricultural and Biology 6(1):138-142.

Kifle Z, Firew M, Tadesse D (2016). Estimation of association among growth and yield-related traits in bread wheat (Triticum aestivum L.) genotypes at Gurage Zone Ethiopia. International Journal Plant Breeding Crop Sciences 3(2):126-132.

Kumar MS, Chaudhary HB, Desmukh PS (2001). Genetic variability and association of morph physiological characters with grain yield in late sown wheat [Triticum aestivum (L) Em.]. Annals of Agricultural Research 22(2): 217-220.

Kumar P, Singh G, Kumar S, Kumar A, Ojha A (2016). Genetic analysis of grain yield and its contributing traits for their implications in the improvement of bread wheat cultivars. Journal Applied Natural Sciences 8(1):350-357.
Crossref

Maccaferri M, Cane MA, Sanguineti MC (2014). A consensus framework map of durum wheat (Triticum durum Desf) suitable for linkage disequilibrium analysis and genome-wide association mapping. BMC Genomics 15(1):1.
Crossref

Maniee M, Kahrizi D, Mohammadi R (2009).Genetic variability of some morpho-physiological traits in Durum wheat (Triticum turgidum var. durum), Journal of Applied Sciences 9(7):1383-1387.
Crossref

Mohammed A, Amsalu A, Geremew B (2011). Genetic variability, heritability, and trait associations in durum wheat (Triticum turgidum L. var. durum) genotypes. .Africa Journal of Agricultural Research 6(17):3972-3979.
Crossref

Mollasadeghi V, Elyasi S, Mirzamasoumzadeh B (2012). Genetic variation of 12 bread wheat genotypes based on a number of phonological and morphological traits. Annals of Biological Research 3(10):4734-4740.

Naik VR, Biradar SS, Yadawad A, Desai SA, Veeresha BA (2015). Study of genetic variability parameters in bread wheat (Triticum aestivum L.) genotypes. Research Journal Agricultural Science 6(1):123-125.

Poehlman JM, Sleeper DA (2005). Breeding Field Crops.4th ed. Iowa State University Press, Ames 71.

Pramoda HP, Gangaprasad S (2007). Biometrical basis of handling segregation population for improving productivity in onion (Allium cepa L.). Asian Journal of Horticulture 3:278-280.

Rahman MA, Kabir ML, Hasanuzzaman M, Rumi RH, Afrose MT (2016). Study of variability in bread wheat (Triticum aestivum L.). .International Journal Agricultural Research 8:66-76.

Royo C, Elias EM, Manthey FA (2009). Durum wheat breeding. In Cereals. Carena, M.J. (ed.) pp. 199-226. 
Crossref

Salman S, Khan SJ, Khan J, Ullah R (2014). Genetic variability studies in bread wheat (Triticum aestivum L.) accessions. Pakistan Journal of Agricultural Research 27(1):2-6.

SAS Institute Inc (2008). Statistical analysis Software version 9.2, Cary, NC: SAS Institute Inc. The USA.

Shankarrao BS, Mukherjee S, Pal AK, De DK (2010). Estimation of variability for yield parameters in Bread Wheat (Triticum aestivum

L.) grown in Gangetic West Bengal." Electronic Journal of Plant Breeding 1(4):764-768.

Sharma JR (2004). Statistical and biometrical techniques in plant breeding. New Delhi, New Age International(P) Limited Publishers.

Sharma RC, Yadav DJ, Slarma RK (2005). Genetic variability and association of some yield components in the winter nursery of barley. Advances in Plant Sciences 8(1):95-99.

Shashikala SK (2006). Analysis of genetic diversity in wheat. M.Sc. Thesis University of Agricultural Sciences Dharwad India.

Shewry P (2009). Increasing the health benefits of wheat. FEBS Journal 276:71-71.

Singh B, Upadhyay PK (2013). Genetic Variability, Correlation, and Path Analysis in Wheat (Triticum aestivum L.). Indian Research Journal Genetics and Biotechnology 5(3):197-202.

Singh BD (2006). Plant breeding principles and methods. Ludhiana, New Delhi, Kalyani Publishers.

Tazeen M, Nadia K, Farzana NN (2009). Heritability, phenotypic correlation and path coefficient studies for some agronomic characters in synthetic elite lines of wheat. Journal of Food Agricultural Environmental 7(3):278-282.

Vavilov NI (1951). The origin, variation, immunity, and breeding of cultivated plants. Chronica Botanic 13:1-366.

Vimal SC, Vishwakarma S R (2009). Heritability and genetic advance in barley under partially reclaimed saline-sodic soil. Rachis 17(1-2):56- 61.

Welsh JR (2008). Fundamentals of Plant Genetics and Breeding. New York, John Willey, and Sons Inc.

Wolde T, Eticha F, Alamerew S, Assefa E, Dutamo D (2016). Genetic variability, heritability, and genetic advance for yield and yield-related traits in 68 durum wheat (Triticum durum L.) accessions. Sky Journal Agricultural Research 5(3):042-047.

Wosene G, Abtew B, Bettina I, Haussmann G, Karl J (2015). Ethiopian barley landraces show higher yield stability and comparable yield to improved varieties in multi-environment field trials. Journal of Plant Breeding and Crop Science 7(8):1-17.
Crossref

Yousaf A, Babar MA, Javed A, Philippe M, Zahid L (2008). Genetic variability, association and diversity studies in wheat (Triticum aestivum L.) germplasm. Pakistan Journal of Botany 40(5):2087-2097.