1-زرگری، ع، .1369 گیاهان داروئی. انتشارات دانشگاه تهران جلد چهارم 923 ص.
2-طباطبائی، م، 1365. گیاهشنا سی کاربردی برای کشاورزی و منابع طبیعی کتاب آول گیاهان زراعت های بزرگ. انتشارات فوق برنامه بخش فرهنگی جهاد دانشگاهی،1184 ص.
3-Abd El-Rahim, M. F., Fahmy, G and Mand Fahmy Z. M., 1998. Alterations in transpiration and stem vascular tissues of two maize cultivares under conditions of water stress and late wilt disease. Plant Pathology, 47, 216-223.
4-Basra, A. S. and Basra, R. K., 1997. Mechanism of environmental stress resistance in plants. Harward academic publishers. 407 pp.
5-Cameron, D., 1999. The effect of different irrigations on water relation and growth in Rododenderon. New Phyta. 137, 90-95.
6-Ferrat, I. L. and Lovat, C. J., 1999. Relation between relative water content, Nitrogen pools, and Growth of phaseolus vulgaris L. and P. acutifolius, A. Gray during water deficit. Crop Science. Vol. 39. 467-474.
7-Girousse, Ch., Bournoville, R. and Bonnemain, J. L., 1996. Water deficit-induced changes in concentrations in proline and some other amino acids in the phloem sap of Alfalfa. Plant Physiol, 111: 109-113.
8-Irigoyen,J. J., Emerich, D.W. and Sanchez-Diaz, M., 1992. Water stress induced changes in concentrations of proline and total soluble in nodulated alfalfa(Medicago sativa) plants. Physiologia Plantarum, 84, 55-60.
9-Khan, NA., 1991 Amelioration water stress by potassium in mustard. Plant physiology and Biochemistry New Delhi, 18: 2, 80-83.
10-Newton, R J., Seu, S. and Puryear, JD., 1987. Free proline in water stressed pine callus. Tappi- journal, 70: 6, 141-144
11-Ramos, M. L. G. and Gordon, A. J, 1999. Effect of water stress on nodule physiology and biochemistry of a drought tolerant cultivar of common Bean (Phaseolus vulgaris L.) Annuals of Botany. 83: 57-63.
12-Udomprasert, N., Sawasdiphanich. S., 1995. Effect of water stress on proline content and forage quality. Kasctsatt Journal Natural Science, 29: 33, 291-297
13-Volarire, F., Thomas, H. and Lievre, F., 1998. Survival and recovery of perennial forage grasses under prolonged Mediterranean drought. New Phytol. 140, 4339-449.