Afsharmanesh G. 2009. Study of some morphological traits and selection of drought-resistant alfalfa cultivars (Medicago sativa L.) in Jiroft, Iran. Plant Ecophysiology, 3: 109-118.
Alla WH, Bakheit B, Abo-Elwafa A and El-Nahrawy M. 2013. Evaluate of some varieties of alfalfa for forage yield and its components under the New Valley conditions. Journal of Agro Alimentary Processes and Technologies, 19: 413-418.
Anjum SA, Ashraf U, Zohaib A, Tanveer M, Naeem M, Ali I, Tabassum T and Nazir U. 2017. Growth and development responses of crop plants under drought stress: A review. Zemdirbyste, 104: 267-276.
Aranjuelo I, Molero G, Erice G, Avice JC and Nogués S . 2011. Plant physiology and proteomics reveals the leaf response to drought in alfalfa (Medicago sativa L.). Journal of Experimental Botany, 62: 111-123.
Basbag M, Demirel R and Avci M . 2009. Determination of some agronomical and quality properties of wild alfalfa (Medicago sativa L.) clones in Turkey. Journal of Food, Agriculture & Environment, 7: 357-359.
Behnamfar K, Siadat SA, Bakhshandeh AM, Alami-Saied K, Kashefipour SM and Jafari AA . 2014. Evaluation of Impct of Water Deficit on Yield and Water Use Efficiency of Four Cultivars Alfalfa (Medicago sativa) in Khuzestan Conditions - Ahvaz. Irrigation Science and Engineering, 27: 63-71. (In Persian).
Behnamfar K, Siadat SA, Bakhshandeh AM, Alami-Saied K, Kashefipour SM, Jafari AA. 2015. Evaluation of Impact of Water Deficit on Morphological Characters and Yield of Alfalfa (Medicago sativa) Cultivars in Khuzestan Conditions - Ahwaz. Ahwaz JCPP, 5 (17): 171-180. (In Persian).
Buxton D. 2004. Growing quality forages under variable environmental conditions. USDA, Iowa State University, USA.
Castroluna A, Ruiz O, Quiroga A and Pedranzani H. 2014. Effects of salinity and drought stress on germination, biomass and growth in three varieties of Medicago sativa L. Avances en Investigación Agropecuaria, 18: 39-50.
Esmailian K. 2011. Morphological and physiological response of some alfalfa stands to different irrigation regimes in Karaj climatic conditions. Tarbiat Modares University, p 126.
Farissi M, Ghoulam C and Bouizgaren A . 2013. Changes in water deficit saturation and photosynthetic pigments of alfalfa populations under salinity and assessment of proline role in salt tolerance. Agric Sci Res J, 3: 29-35.
Farooq M, Wahid A, Kobayashi N, Fujita D and Basra S . 2009. Plant drought stress: effects, mechanisms and management. Sustainable agriculture. Springer, pp 153-188.
Farshadfar E, Poursiahbidi MM and Safavi SM . 2013. Assessment of drought tolerance in land races of bread wheat based on resistance/tolerance indices. International Journal of Advanced Biological and Biomedical Research, 1: 143-158.
Farshi A .1998. Estimation of Water Requirement for Major Crops and Horticulture of Iran. Agricultural Education Publication. (In Persian).
Ghanizadeh N, Moghaddam A and Khodabandeh N . 2014. Comparing the yield of alfalfa cultivars in different harvests under limited irrigation condition. International Journal of Biosciences, 4: 131-138.
Hesadi P, Taleghani DF, Shiranirad A, Daneshian J and Jaliliyan A .2015. Selection for drought tolerance in sugar beet genotypes (Beta vulgaris L.). Biological Forum. Research Trend, p 1189.
Kang Y, Han Y, Torres‐Jerez I, Wang M, Tang Y, Monteros M and Udvardi M . 2011. System responses to long‐term drought and re‐watering of two contrasting alfalfa varieties. The Plant Journal, 68: 871-889.
Katic S, Mihailovic V, Karagic D, Milic D and Pataki I . 2003. Yield, morphology and chemical composition of five lucerne genotypes as affected by growth stage and the environment. Optimal forage systems for animal production and the environment Proceedings of the 12th Symposium of the European Grassland Federation, Pleven, Bulgaria, 26-28 May 2003. Bulgarian Association for Grassland and Forage Production (BAGFP), pp 376-379.
Li X, and Brummer EC . 2012. Applied genetics and genomics in alfalfa breeding. Agronomy, 2: 40-61.
Lindenmayer B, Hansen N, Crookston M, Brummer J and Jha A . 2008. Strategies for reducing alfalfa consumptive water use. Hydrology Days: 52-61.
Liu Y, Wu Q, Ge G, Han G and Jia Y. 2018. Influence of drought stress on afalfa yields and nutritional composition. BMC plant biology, 18: 13.
Maghsoudi M. 2015. Effect of irrigation regimes on some morphological, physiological and chemical properties of alfalfa (Medicago sativa L.). Isfahan University of Technology, p 242. (In Persian).
Petit HV, Pesant A, Barnett G, Mason W and Dionne J. 1992. Quality and morphological characteristics of alfalfa as affected by soil moisture, pH and phosphorus fertilization. Canadian Journal of Plant Science, 72: 147-162.
Ray IM, Pierce CA and Currier CG. 2012. Registration of ‘NuMex Bill Melton’Alfalfa for Variable-Soil-Moisture Environments. Journal of Plant Registrations, 6: 137-140.
Sadat Asilan K and Hajloue S. 2010. Effect of water deficit stress on quantitative and qualitative traits of alfalfa (Medicago sativa) cultivars. Journal of Crop Ecophysiology, 2: 41-51. (In Persian).
Saeed I, and El-Nadi A. 1997. Irrigation effects on the growth, yield, and water use efficiency of alfalfa. Irrigation Science, 17: 63-68.
Sengul S. 2002. Yield components, morphology and forage quality of native alfalfa ecotypes. Online Journal of Biological Science, 2(7): 494-498.
Sheaffer CC, Martin NP, Lamb JF, Cuomo GR, Jewett JG and Quering SR. 2000. Leaf and stem properties of alfalfa entries. Agronomy Journal, 92: 733-739.
Snowden C, Ritchie G and Thompson T .2013. Water use efficiency and irrigation response of cotton cultivars on subsurface drip in West Texas. J Cotton Sci, 17: 1-9.
Sourour A, Afef O, Mounir R and Mongi BY. 2017. A review: morphological, physiological, biochemical and molecular plant responses to water deficit stress. International Jornal Engineerng Science, 6: 1-4.
Turan N, Celen AE and Özyazici MA. 2017. Yield and quality characteristics of some alfalfa (Medicago sativa L.) varieties grown in the eastern Turkey. Turkish Journal of Field Crops, 22: 160-165.
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