Abdul-baki, A.A., and J.D. Anderson. 1973. Vigor determination in soybean seed by multiplication. Crop Sci. 3: 630-633.
Azadi, M.S., S.A. Tabatabaei, E. Younesi and M.R. Rostami. 2013. Hormone priming improves germination characteristics and enzyme activity of sorghum seeds (Sorghum bicolor L). Cercetari Agron. Moldova. 3: 49-56.
Elias, S.G., A. Garary, L. Schweitzer and S. Hanning. 2006. Seed quality testing of native species. Nat. Plant J. 7(1):15-19.
Finch-Savage, W.E., J.H.W. Bergervoet, R.J. Bino, H.A. Clay, S.P.C. Groot. 1998. Nuclear replication activity during seed development, dormancy breakage and germination in three tree Species: Norway maple (Acer platanoides L.), sycamore (Acer pseudoplatanus L.) and Cherry (Prunus sativum L.). Ann. Bot. 81(4): 519-526.
Ghassemi, G., and B. Esmaeilpour. 2008. The effect of performance of differentially matured Cucumber (Cucumis sativus) seeds. Not. Bot. Hort. Agrobotanici Cluj-Napoca. 36 (2): 67-70.
Ghassemi-Golezani, K., and R. Mazloomi-Oskooyi. 2008. Effect of water supply on seed quality development in common bean (Phaseolus vulgaris). Int. J. Plant Prod. 2: 117-124.
Harrington, J.F. 1972. Seed storage and longevity. P. 145-245. In Kozlowski, T.T. (eds). Seed Biol. New York. Acad. Press.
Hasani, J., and Shahmoradi, A.A. 2007. Autecology of Prangos ferulacea in kurdistan province. Iranian J. Range and Desert Res. 14(2): 172-184. (In Persian, with English Abstract.)
Hilhorst, H.W.M., and C.M. Karssen. 1995. Seed dormancy and germination, the role of abscisic acid and gibberellins and the importance of hormone mutants. Plant Growth Regul., 11, 225–238.
Kafash Farkhad, N., M. Asadi Samani and B. Khaledifar. 2013. A review on secondary metabolites and pharmacological effects of Prangos ferulacea (L.) Lindl. J. Shahrekord University of Med. Sci. 15(3): 98-108. (In Persian, with English Abstract.)
Nabaei, M., P. Roshandel and A. Mohammadkhani. 2011. Effective techniques to break seed dormancy and stimulate seed germination in Rheum ribes L. Iranian J. Med. Aromatic Plants. 27(2): 212-223. (In Persian, with English Abstract.)
Nasiri, M., H. Madah-Arefi and H.R. Isvand. 2004. Evaluation of viability changes and dormancy breaking in the seed of some species in Natural Resources Gene Bank. Iranian Rangelands and Forests Plant Breed. Genet. Res. 12(2): 163-182. (In Persian, with English Abstract.)
Nejataly, S., H. Ezzadin and K. Taherian. 2001. Evaluation methods of cultivation and propagation of galbanum. Pajouhesh and Sazandagi. (52): 90-97. (In Persian, with English Abstract.)
Maguire, J.D. 1962. Speed of germination in selection and evaluation for seedling vigor. Crop Sci. 2: 176-177.
Rajabian, T., A. Saboora, B. Hassani and H. Fallah Hosseini. 2007. Effects of GA3 and chilling on seed germination of Ferula assa-foetida, as a medicinal plant. Iranian J. Medicinal and Aromatic Plants. 23(3): 391-404. (In Persian, with English Abstract.)
Razavi, S.M. 2012. Breaking seed dormancy in Prangos pabularia and Prangos uloptera growing in Iran. Insight Bot. 2 (2): 7-11.
Razavi, S.M. and R. Hajiboland. 2009. Dormancy breaking and germination of Prangos ferulacea seeds. J. Bio. Sci. 3: 78-83.
Razmjoo, K., A. Razzazi, N. Khodaeian, and E. Askari. 2009. Breaking seed dormancy of Prangos uloptera. A medicinal plant of Iran. Seed Sci. Technol. 37(3): 771-775.