Alvarado, V., and K.J. Bradford. 2002. A hydrothermal time model explains the cardinal temperatures for seed germination. Plant, Cell Environ. 25:1061-1069.
Basra, S.M.A., M. Ashraf, N. Iqbal, A. Khaliq, and R. Ahmad. 2004. Physiological and biochemical aspects of pre- sowing heat stress on cottonseed. Seed Sci. Technol. 32:765-774.
Bewley, J. D. and M. Black. 1994. Seeds: Physiology of Development and Germination. New York: Plenum Press.
Boroumand Rezazadeh, Z., and A. Koocheki. 2006. Evaluation of cardinal temperature for three species of medicinal plants, Ajowan (Trachyspermum ammi), Fennel (Foeniculum vulgare) and Dill (Anethum graveolens). Biaban (Desert Journal). 11(2):11-16. (In Farsi)
Bradford, K.J. 1986. Manipulation of seed water relations via osmotic priming to improve germination under stress conditions. HortScience. 21:1105–1112.
Brodford, K. J. 2002. Applications of hydrothermal time to quantifying and modeling seed germination and dormancy. Weed Sci. 50:248-260.
Brocklehurst, PA., and J. Dearman. 1983. Interactions between seed priming treatments and nine lots of carrot, celery, and onion. I. Laboratory germination. Ann. Appl. Biol. 102:577–584.
Brocklehurst, P. A., and J. Dearman. 2008. Interaction between seed priming treatments and nine seed lots of carrot, celery and onion II. Seedling emergence and plant growth. Ann. Appl. Biol. 102:583–593.
Cheng, Z., and K. J., Bradford. 1999. Hydrothermal time analysis of tomato seed germination responses to priming treatments. Exp. Bot. 50(330):89–99.
Demir, I., and H.A. Vande venter. 1999. The effect of priming treatments on the performance of watermelon (Citrullus lanatus (Thunb) Matsum. & Nakai) seeds under temperature and osmotic stress. Seed Sci. Technol. 27: 871-875.
Dhanush, K, S.. 2016. Comparative evaluation of Different seed priming techniques for enhancing planting value in onion.. Master. thesis. UNIV. of New delhi. Indian.
Dorna, H., M. Jarosz, D. Szopiska, I. Szulc, and A. Rosiska. 2013. Germination, Vigour and Health of Primed Allium cepa L. seed after storage. Acta sci. 12(4):43-58.
Ellis, R.H., and P.D. Butcher. 1988. The effects of priming and ‘natural’ differences in quality amongst onion seed lots on the response of the rate of germination to temperature and the identification of the characteristics under genotypic control. Exp. bot. 39: 935–950.
Ellis, R.H., S. Covell, E.H. Roberts, and R.J. Summerfield. 1986. The influence of temperature on seed germination rate in grain legumes. II. Intraspecific variation in chickpea (Cicer arietinum L.) at constant temperatures. Exp. bot. 37:1503-1515.
Foti, S., S.L. Cosentino, C. Patane, and G.M. D'Agosta. 2002. Effect of Osmo conditioning upon seed germination of Sorghom (Sorghom Bicolor (L.) Moench) under low temperatures. Seed Sci. Technol. 30: 521-533.
Ghassemi-Golezani, K., A.A., Aliloo, M. Valizadeh, and M. Moghaddam. 2008. Effects of hydro and osmo-priming on seed germination and field mergence of Lentil (Lens culinaris Medik.). Agronomy and Plant Breeding. 36: 29-33.
Jami Al-Ahmadi, M., and M. Kafi. 2007. Cardinal temperatures for germination of Kochia scoparia (L.). Arid Environ. 68:308–314.
Hardegree, S.P., and S.S. Van Vactor. 2000. Germination and emergence of primed grass seeds under field and simulated- field temperature regimes. Ann. Bot. 85: 379-390.
Hardegree, S.P., A.J. Thomas, and S.S. Van Vactor. 2002. Variability in thermal response of primed and non-primed seeds of Squirrel tail [(Raf.) Swezey and (J.G. Smith) M.E. Jonse]. Ann. Bot.89:311-319.
Hu, J., X.J., Xie. Z.F. Wang, and W.J. Song. 2006. Sand priming improves alfalfa germination under high-salt concentration stress. Seed Sci. Technol. 34: 199204.
Hussain, S., M. Zheng, F. Khan, A. Khaliq, S. Fahad, S. Peng, et al. 2015. Benefits of rice seed priming are offset permanently by prolonged storage and the storage conditions. Sci. Rep. 5:8101. doi: 10.1038/srep 08101.
Kamaha, C., and Y.D. Magure. 1992. Effect of temperature on germination of six winter wheat cultivars. Seed Sci. Technol. 20: 181-185.Kebreab, E., and A. J. Murdoch. 1999. Modelling the effects of water stress and temperature on germination rate of (Orobanche aegyptiaca) seeds. Exp. Bot. 50(334):655-664.
Kaur, S., A.K. Gupta, and N. Kaur. 2006. Effect of hydro-and osmopriming of chickpea (Cicer orietinum L.) seeds on enzymes of sucrose and nitrogen metabolism in nodules. Plant Growth Regul. 49: 177-182.
Kheirkhah, M., A. Koocheki, P. Rezvani Moghadam., and Nasiri Mahallati. 2011. Determination cardinal temperature for perennial medicinal plant Kakooti germination (Ziziphora clinopodioides Lam.). water, soil and plant in Agriculture. 8(1):18-25. (In Farsi).
Lee, S.S., and J. H. Kim. 2000. Total sugars, a-amylase activity, and emergence after priming of normal and aged rice seeds. Crop Sci. 45:108–111.
Maguire J.D. 1962. Speed of germination-aid in selection and evaluation for seedling emergence and vigor. Crop Sci. 2:176-177.
Martinz, M.C., N. Corzo, and M. VilIiamiel. 2007. Biological properties of onion and garlic. Trends Food Sci. Technol. 18:609-625.
Mauromicale, G., and H. Cavallaro. 1997. A comparative study of the effects of different compounds on priming of tomato seed germination under suboptimal temperatures. Seed Sci. Technol. 25:399-408.
McDonald, M.B. 1999. Seed deterioration: physiology, repair and assessment. Seed Sci. Technol. 27:177-237.
Mwale, S.S., S. N. Azam-Ali, J. A. Clark, R.G. Bradley, and M.R. Chatha. 1994. Effect of temperature on germination of sunflower. Seed Sci. Technol. 22: 565–571.
Naghedinia, N., and N. Rezvani Moghaddam 2009. Investigations on the cardinal temperatures for germination of crambe kotschyana. Field Crop. Res. 2(7): 451-456.
Naik L.B., and K. Srinivas. 1992. Seed production of vegetable crops-onion-A Review. Agric. Rev. 13:59-80.
Nazari, M. A., Mamadi, and S.M. Bagher Hoseini. 2017. The evaluation response of onion (Allium cepa) seed germination to temperature by thermal time analysis and determaine cardinal temperatures by using nonlinear regression. Field crop. Sci. 48(4): 961-971.
Piri, M., M.B. Mahdieh, J.A., Olfati, and Gh. Peyvast. 2009. Germination and seedling development of cucumber are enhanced by priming at low temperature. Veg. Sci. 15(3):285-292.
Posmyk, M.M., and K.M. Janas. 2007. Effects of seed hydropriming in presence of exogenous proline on chilling injury limitation in Vigna radiata L. seedlings. Acta Physiol Plant. 25: 326-328.
Rowse, H.R., and W.E., Finch-Savage. 2003. Hydrothermal Threshold Models Can Describe the Germination Response of Carrot (Daucus carota) and Onion (Allium cepa) Seed Populations across Both Sub- and Supra-Optimal Temperatures.the New Phytol. 158 (1):101-108.
Tabrizi, L., M. Nasiri Mahalati, and A.kochaki. 2004. Investigation on the cardinal temperature for germination of Plantago ovate and Plantago psyllium. Field Crops Res. 2:143-151. (In Farsi).
Thygerson, T., J.M. Harris, B.N. Smith, L.D. Hansen, R.L. Pendleton, and D.T. Booth. 2002. Metabolic response to temperature for six populations of winterfat (Eurotia lanata). Thermochimica Acta. 394: 211-217.
Zheng, G.H., R.W. Wilen, A.E. Slinkard., and L.V. Gusta. 1994. Enhancement of canola seed germination and seedling emergence at low temperature by priming. Crop Sci. 34: 1589-1593.
Windauer, L.B., J. Martinez, D. Rapoport, D. Wassner., and R. Benech-Arnold. 2012. Germination responses to temperature and water potential in Jatropha curcas seeds: a hydrotime model explains the difference betweendormancy expression and dormancy induction at different incubation temperatures. Ann. bot. 109(1):265-273.