Asadi, F., 2008. Genetic researches of populus. National conferenece of Populus and its importance on agroforestry. Research Institute of Forests and Rangelands. (1): 228-241.
-Calagari, M., 2004. Investigation of ecological differences of Populus euphratica on natural sites of Iran. PhD Thesis of Forestry. Tarbiat Modares University, 143 pp.
-Christersson, L. 2005. Biomass production of intensively grown poplars in the southernmost part of Sweden.: Observation of characters , traits and grown potential. Biomass and Bioenergy. 497-508.
-Dowell, R.C., Gibbins, D., Rhoads, J.L., and Pallardy, S.G., 2009. Biomass production phsiology and soil carbon dynamics in short rotation-growth Populus deltoides and P. deltoides× P. nigra hybrids. Forest Ecology and Management, 257 (1): 134-142.
- Ghadiripour, P., Calagari, M., Salehe-Shoshtari, M. H., Esmaeilzadeh, O., 2017. Studying the growth and morphological characteristics of euphrate poplar and white poplar hybrids in experimental nursery of Khouzestan province. Journal of Forest and Wood Products, 69 (1): 73-85.
-Hemati, A., and Modir Rahmati, A., 1999. Investigation of the best distance plating on diferent colones of Populus in Guilan province. Iranian Journal of Forest and Poplar Research. No: 2.
-Jafari Mofidabadi. A., Modir Rahmati, A., Tavassoli, A., Kazemi, S., Calagari, M., Asadi, F., 1998. Application of ovary and ovule culture in Populus alba L.×. P. euphratica Olive. hybridization, Pajhohesh and Sazandegi, 43: 38-41.
-Lamers, J., Khamzina, A. and Worbes, M., 2006. The analyses of physiological and morphological attributes of 10 tree species for early determination of their suitability to afforest degraded landscapes in the Aral Sea Basin of Uzbekistan. Forest Ecology and Management. 21: 249–259.
-Marron, N., Dillen, S.Y. and Ceulemans, R., 2007. Evaluation of leaf traits for indirect selection of high yielding poplar hybrids. Environmental and Experimental Botany. 61: 103–116.
-Michel, M.F., Villia, R.M., Point, J. and Teissier, E., 1989. Recent developments in INRA popolar improvement programme. In: Recent developments poplar selection and propagation techniqe. Proceeding meeting of the IUFRO worjing party. S2. 02. 10. Hann Munden, October 2-6 1989. France.
-Pryor, L.D. and Willing, R.R., 1983. Growing and breeding poplar in Australia. Canbera Publishing and Printing Co.
-Tabaei Aghdaei, S.R. and Jafari Mofidabadi. A., 2000. Introduction on Forest Trees Improvement. Research Institute of Forests and Rangelands. Tehran No: 252.
-Talebi, M., Modir Rahmati, A., Hemati, A., Jahanbazi Goujani, H., and Haghighian, F., 2008. Adaptability of the Best Poplar clones in order to introduce for excute sections, Final Report of Research Institute of Forests and Rangelands.
-Tuskan, G.A., Wullschleger, S.D., Bradshaw, H.D. and Dalham, R.C., 2002. Sequencing the Populus genome: Applications to the energy-related missions of DOE. In: Plant, Animal and Microbe Genomes X Conf, San Diego,W128.
-Weisgerber, H. and Han, Y., 2001. Diversity and breeding potential of poplar species in China. The Forestry Chronicle 77: 227–237.
-Yu, Q. and Pulkkinen, P., 2003. Genotype-environment interaction and stability in growth of aspen hybryd clones. Forest Ecology and Management. 173 : 25–35.
- Ziaei, S. F., Gorji Bahri, Y., and Saghebtalebi, Kh., 1990. Distance expriment of 10 hybrid popolar clones in Khoshamian region (Mazandaran), Final Report of Research Institute of Forests and Rangelands. 42pp.
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