Alizadeh Dizaj K, Eskandari M (2002a) Evaluation of adaptability in safflower varieties in dry land condition. Annual Report of North Khorasan Dry Land Research Station. [In Persian with English Abstract].
Alizadeh Dizaj K, Eskandari M (2002b) Evaluation of adaptability in spring rapeseed varieties in cold dry land condition. Annual Report of North Khorasan Dry Land Research Station. [In Persian with English Abstract].
Azimzadeh SM, Neyestani E, Rafiie M (2006) Study on drought tolerance of 16 safflower genotypes. 9th Iranian Crop Science and Breeding Conference. Tehran, Iran. [In Persian with English Abstract].
Ansari Y, Azimzadeh SM (2004) Study on adaptability and stability of yield of barley genotypes in universal experiment under cold dry land condition. Final Report of Dry Land. [In Persian with English Abstract].
Bagheri A, Nezami A, Sultani M (2000) Breeding for stress tolerance in cool season food legumes. Agricultural Research, Education and Extension Organization. Jihad-e-Agriculture Ministry, Iran. [In Persian with English Abstract].
Buttrose MS, Swift JG (1975) Effect of killing by heat or desiccation on membrance structure in pea roots. Australian Journal of Plant Physiology 2: 225-233.
Clarke JM, McCaig TN (1982) Evaluation of techniques for screening for drought resistance in wheat. Crop Science 22: 503- 506.
Collis GN, Sands JE (1962) Comparrison of the effects of the physiological components of soil water energy and seed germination. Austtralian Journal of Agricultural Research 13: 575- 587.
Fernandez GCJ (1993) Effective selection criteria for assessing palnt stress tolerance. pp. 257-270. In: Kue, CG (ed.) Adaptaion of Food Crop to Temperature and Water Stress. AVRDC. Shanhua , Tawian.
Fredrick JR, Marshal HG (1985) Grain yield and yield of soft winter wheat as affected by management practices. Agronomy Journal 77: 495- 499.
Fisher RA, Maurer R (1978) Drought tolerance in spring wheat cultivars. I. Grain yield response: Austtralian Journal of Agricultural Research 29: 897-912.
Iljin WA (1957) Drought tolerance plants and physiological prosses. Annual Review of Plant Physiology 8: 257-274.
Johnsen RC, Nguyen HT, Croy LI (1984) Osmotic adjustments salute accumulation in two genotypes differenting in drought resistance. Crop Science 24: 957-962.
Jones HG (1977) Aspects of the water relations of spring wheat in response to induced drought. Journal of Agricultural Science 88: 267-282.
Lessani H (1993) Effect of environmental stress on plants. Islamic Azad University. Karaj Branch. [In Persian with English Abstract].
Mozzaffari K, Arshi Y, Zeynali Khanghah Y (1996) Effect of drought stress on some morphological and yield components of sunflower. Seed and Plant Journal 12(3): 24-33. [In Persian with English Abstract].
Maclagan JL (1993) Effect of drought stress on the water relation in Brassica species. Canadian Journal of Plant Physiology Science 73: 225-229.
Neyestani E, Azimzadeh SM (2003) Study on drought tolerance of different varieties of lentil. Iranian Journal of Agriculture 5 (1): 61-69. [In Persian with English Abstract].
Oliver MJ (1991) Influence of protoplasmic water loss on the control of protein synthesis in the desiccation tolerant moss Tortula ruralis. Ramifications for a repair-based mechanism of desiccation tolerance. Plant Physiology 97: 1501-1511.
Poordad S, Eskandari M (2001) Study on yield and oil quality of autumn safflower varieties in dry land condition. Annual Report of North Khorasan Dry Land Research Station. [In Persian with English Abstract].
Poordad S, Alizadeh K, Shariati A, Eskandari M, Nabati A, Khiavi M (2003) Study on drought tolerance of spring safflower varieties according to agronomic traits and oil quality. Final Report of Iranian Dry Land Agricultural Research Institute. [In Persian with English Abstract].
Ritchie S, Henry T (1990) Leaf water content and gas – exchange parameters of two wheat genotypes differing in drought tolerance. Crop Science 30: 105-111.
Safaie A (2004) Evaluation of drought tolerance of 11 genotypes of barley. M.Sc. Thesis. Islamic Azad University, Science and Research Branch, Tehran. [In Persian with English Abstract].
Safikhani M, Mahmoodi A (2000) Yield comparison and determination of adaptability in lentil varieties. Annual Report of North Khorasan Dry Land Research Station. [In Persian with English Abstract].
Sarmadnia G, Koocheki A (1988) Physiological aspects of dry land farming. Jihad Academic Press of Mashhad University. [In Persian with English Abstract].
Schwab KB, Ctaff DF (1986) Sugar and ion contents of drought tolerant plants under water stress. Journal of Plant Physiology 125: 257-265.
Sullivan A, Eastin GD (1994) Plant physiological response to water stress. Agrice. Meteorology 14:113-27.
Winslow MD, Smirnoff N (1984) Techniques used to breeders nurseries for drought tolerance. Botuny, Brikbeck College, Maletwcic 7HX, England Rachi Science 3: 45-46.