1- Alizadeh O., and Alizadeh A. 2007. Mycorrhizal effects on nutrient uptake of maize under different soil moisture. Journal of Agricultural Sciences, 3(1): 101-108. (in Persian).
2- Alizadeh-Uskoee P., Aliasgharzadeh N., Shariatmadari H., Asgharzadeh A., and Baghban Siroos SH. 2009. The effect of two species of arbuscular mycorrhizal fungi in reducing the toxicity of cadmium in tomato plants with different levels of phosphorus. Journal of Soil Research (Journal of Soil and Water), 23(2): 217-228. (in Persian).
3- Balys G. 1975. The magnolioid mycorrhiza and mycotrophy in root systems derived from it. In: Endomycorrhiza (Eds Sanders F. E., Moss, B. and Tinker, P. B.). Academic Press London, 373- 389.
4- Bolan N.S. 1991. A critical review on the role of mycorrhizal fungi in the uptake of phosphorus by plants. Plant and Soil, 134:189-207.
5- Fitter A.H. 1989. An ecological flora. Bulletin of British Ecological Society, 20: 199-200.
6- Goicoechea N., Antolin M.C ., and Sanchez-Diaz M. 1997. Gas exchange is related to the hormone balance in mycorrhizal or nitrogen-fixing alfalfa subjected to drought. Physiologia Plantarum, 100: 989-997.
7- Kaya C., Ashraf M., Sonmez O., Aydemir S., Levent-Tuna A., and Cullu M.A. 2009. The influence of arbuscular mycorrhizal colonisation on key growth parameters and fruit yield of pepper plants grown at high salinity. Scientia Horticulturae, 121(1-2): 1-6.
8- Hu Y., and Schmidhalter U. 2005. Drought and salinity: A comparison of their effects on mineral nutrition of plants. Journal of Plant Nutrition, 168: 541–549.
9- Li X.L., George E., and Marschner H. (1991). Extension of the phosphorus depletion zone in VA mycorrhizal white clover in a calcareous soil, Plant Soil 136:41-48.
10- Maksimovic I.V., Kastori R.R., Petrovic N.M., Kovacev L.M., and Sklenar P.S. 2003. The effect of water potential on accumulation of some essential elements in sugarbeet leaves (Beta vulgaris ssp. vulgaris). Proceedings for Natural Sciences, Matica Srpska, 104:39-50.
11- Nadian H. 2011. Effect of drought stress and mycorrhizal symbiosis on plant growth and P uptake by two sorghum genotypes different in their root morphology. Journal of Science and Technology of Agriculture and Natural Resources (Water and Soil Sciences), 57: 25-37. (in Persian).
12- Nelson C.E., and Safir G.R. 1982. Increased drought tolerance of mycorrhizal onion plants caused by improved phosphorus nutrition. Planta, 154: 407-413.
13- Nem Pal Singh A., Bhardvaj K., Kumar A., and Singh K. M. 2007. Modern technology of vegetable production. (Translator: Farhad farah vash and Mohammad Mobsher). Islamic Azad University of Tabriz. Tabriz.
14- Philips J.M., and Hayman D.S. 1970. Improved procedures for cleaning roots and staining parasitic and vesicular arbuscular mycorrhizal fungi for rapid assessment of infection. Transactions of the British Mycological Society, 55:158-161.
15- Ruiz-Lozano J.M., and Azcon R. 1995. Hyphal contribution to water uptake in mycorrhizal plants as affected by the fungal species and water status. Physiol Plant, 95: 472-478.
16- Ruiz-Lozano J.M., Azcon R., and Gomez M. 1995. Effects of Arbuscular-Mycorrhizal Glomus Species on Drought Tolerance: Physiological and Nutritional Plant Responses. Applied and Environmental Microbiology, 61(2): 456–460.
17- Schûbler A., Schwarzott D., and Walker C. 2001. A new fungal phylum, the Glomeromycota: phylogeny and evolution. Mycological Research, 105(12): 1413- 1421.
18- Smith S.E. 1982. Inflow of phosphate into mycorrhizal and non-mycorrhizal plants of Trifolium subterraneum at different levels of soil phosphate. New Phytologist, 90: 293-303.
19- Smith S.E., and Read D. 2008. Mycorrhizal Symbiosis. Third Edition. Academic Press. San Diego. California, USA, pp769.
20- Subramanian K.S., Santhanakrishnan P., and Balasubramania P. 2006. Response of field grown tomato plants to arbuscular mycorrhizal fungal colonization under varying intensities of drought stress. Scientia Horticulturae, 107: 245–253.
21- Tennant D. 1975. A test of a modified line intersect method of estimating root length. Journal of Ecology, 63(3): 995-1001.
22- Tinker P.B., Johns M.D., and Durall D.M. 1992. A functional comparison of Ecto and Endo- Mycorrhizas. CAB Int wellingford UK, 303-310.
23- Wu Q.S. and Xia R.X. 2006. Arbuscular mycorrhizal fungi influence growth, osmotic adjustment and photosynthesis of citrus under well-watered and water stress conditions. Journal of Plant Physiology, 163: 417-425.