1- Bell R.L. 1995. Preconditioning effects of proliferation medium on adventitious regeneration of pear. HortScience, 30:832.
2- Bolandi A.R., Hamidi H., and Rezagholi A.A. 2016. Effects of culture media and growth regulators on propagation of rootstock GF677 in tissue culture conditions. Journal of Plant Researches, 29(1): 1-14. (in Persian with English abstract)
3- Cerović R., Kuzmanović M., Ružić D.J., and Vujović,T. 2008. The influence of imidazole fungicides on multiplication in vitro of low vigorous pear and cherry rootstocks. International Symposium on Biotechnology of Fruit Species: 79-86.
4- Channuntapipat C., Sedgley M., and Collins G. 2003. Micropropagation of almond cultivars Nonpareil and Ne Plus Ultra and the hybrid rootstock Titan× Nemaguard. Scientia Horticulturae, 98(4): 473-484.
5- Ciccotti A.M., Bisognin C., Battocletti I., Salvadori A. Herdemertens M. and Jarausch W. 2008. Micropropagation of apple proliferation-resistant apomictic Malus sieboldii genotypes. Agronomy Research, 6(2): 445-458.
6- De Klerk G.J., Ter Brugge J., and Marinova S. 1997. Effectiveness of indoleacetic acid, indolebutyric acid and naphthaleneacetic acid during adventitious root formation in vitro in Malus ‘Jork 9’. Plant cell, tissue and organ culture, 49(1): 39-44.
7- Gomes F., and Canhoto J.M. 2009. Micropropagation of strawberry tree (Arbutus unedo L.) from adult plants. In Vitro Cellular & Developmental Biology-Plant, 45(1): 72-82.
8- Jacob H.B. 1997. Pyrodwarf, a new clonal rootstock for high density pear orchards. In VII International Symposium on Pear Growing: 169-178.
9- Jamshidi S., Yadollahi A., Ahmadi H. Arab M.M., and Eftekhari M. 2016. Predicting in vitro culture medium macro-nutrients composition for pear rootstocks using regression analysis and neural network models. Frontiers in plant science, 7:1-12.
10- Kadota, M., and Niimi, Y. 2003. Effects of cytokinin types and their concentrations on shoot proliferation and hyperhydricity in in vitro pear cultivar shoots. Plant Cell, Tissue and Organ Culture, 72(3): 261-265.
11- Moretti, C., Scozzoli, A., Pasini, D. and Paganelli, F., 1990. In vitro propagation of pear cultivars. In Vitro Culture, 300: 115-118.
12- Nezami Alanagh E., Garoosi G.A., Haddad R., Maleki S., Landin M., and Gallego P.P. 2014. Design of tissue culture media for efficient Prunus rootstock micropropagation using artificial intelligence models. Plant Cell, Tissue and Organ Culture, 117(3):349-359.
13- Rathore J.S., Rathore V., Shekhawat N.S., Singh R.P., Liler G., Phulwaria M., and Dagla H.R. 2004. Micropropagation of woody plants. In Plant Biotechnology and Molecular Markers, p.195-205.
14- Rugini E., and Verma D.C. 1983. Micropropagation of difficult-to-propagate almond (Prunus amygdalus, Batsch) cultivar. Plant science letters, 28(3): 273-281.
15- RUŽIĆ D., Vujović T., Nikolić D., and Cerović, R. 2011. In vitro growth responses of the ‘Pyrodwarf’ pear rootstock to cytokinin types. Romanian Biotechnological Letters, 16(5): 6631.
16- Sharma T., Modgil M., and Thakur M. 2007. Factors affecting induction and development of in vitro rooting in apple rootstocks. Indian Journal of Experimental Biology, 45: 824-829.
17- Silva, G.J., Souza, T.M., Barbieri, R.L., and Costa de Oliveira, A. 2014. Origin, domestication, and dispersing of pear (Pyrus spp.). Advances in Agriculture, 12:1-8.
18- Vujovic T., Ruzic D.J., and Cerovic R. 2012. In vitro shoot multiplication as influenced by repeated subculturing of shoots of contemporary fruit rootstocks. Hort. Sci., 39: 101-7.
19- Yeo D.Y., and Reed B.M. 1995. Micropropagation of three Pyrus rootstocks. HortScience, 30(3): 620-623.