1- Adam N.R., Dierig T. A., Coffelt and Wintermeyer M. J. 2007. Cardinal temperatures for germination and early growth of two Lesquerella species. Industerial Crops and Products, 25: 24-33.
2- Alm D.M., Stoller E.W., and Wax L.M. 1993. An index model for predicting seed germination and emergencerates. Weed Technology, 7: 560-569.
3- Bannayan M., Nadjafi F., Rastgoo M., and Tabrizi L. 2006. Germination properties of some wild medicinal plantsfrom Iran. Journal of Seed Technology, 28: 80-86.
4- Bewley J.D., and Black M. 1994. Seeds: Physiology of development and germination, and eds. Plenum Press, New York, USA.
5- Bradford K.J. 2002. Application of hydrothermal time to quantifying and modeling seed germination anddormancy.Weed Science, 50:248-260.
6- Cadho K.L., and Rajender G. 1995.Advances in Horticulture Medicinal and Aromatic Plants.Vol. 11. Maldorta.Pub. New Delhi.
7- Dinda K., and Craker L.E. 1998. Growers Guide to Medicinal Plants. HSMP Press. Amherst, MA.
8- Evers G.W. 1991. Germination response of subterranean, berseem and rose clovers to alternating temperatures. Agronomy Journal. 83: 1000-1004.
9- Iannucci A., Fonzo N.Di., and Martiniello P. 2000. Temperature requirements for seed germination in fourannual clovers grown under two irrigation treatments. Seed Science and Technology, 28: 59-66.
10- Jami Al-Ahmadi M., and Kafi M. 2007. Cardinal temperatures for germination of Kochiascoparia (L). Journal of Arid Environments, 68: 308-314.
11- Kamkar B., Koocheki A.R., NassiriMahallati M., and RezvaniMoghaddam P. 2006. Cardinal temperatures forgermination in three millet species (Panicummiliaceum, 11- Pennisetumglaucum and Setariaitalica).AsianJournal of Plant Sciences, 5: 316-319.
12- Kebreab E., and Murdoch A. J. 1999. A model of the effects of a wide range of constant and alternating temperatures on seed germination of four Orobanche species. Annals of Botany, 84: 549-557.
13- Keller M., and Kollmann J. 1999. Effects of seed provenance on germination of herbs for agricultural compensation sites. Agriculture, Ecosystem and Environment, 72: 87-99.
14- Leblanc M.L., 1998. Facteursimpliquesdans la levee des mauuvaisesherbes au champ. Phytoprotetion, 79:111-127.
15- Leblanc M.L. 2003.The use of thermal time to model common lambs quarters (Chenopodium album) seedling emergence in corn.Weed Science.51:718-724
16- Nadjafi F., Koocheki A., RezvaniMoghaddam P., and Rastgoo M. 2007. Evaluation of seed germination characteristics in Nepetabinaludensis, a highly endangered medicinal plant of Iran. Iranian J. of field crops research. 3:4 (2): 1-8.
17- Ovell S., Ellis R.H., Roberts E.H., and Summerfield R. J. 1986.The influence of temperature on seed germinationrate in grain legumes.J.Exp.Bot.37:705-715.
18- Ramin A.A. 1997. The influence of temperature on germination of tareeIrani (Allium ampeloprasum L. spp. iranicum W.). Seed Science and Technology, 25: 419-426.
19- Roman E.S., Thomas A.G., Murphy S. D., and Swanton C.G. 1999. Modeling Germination and seedling elongation of common lambsquaters (Chenopodium album). Weed Science. 47:149-155.
20- Suzuki H., and Khan A.A. 2000. Effective temperature and duration for seed humidi fication in snapbean (Phaseolus vulgaris L.). Seed Science and Technology, 28: 381-389.
21- Tabriz L., NassiriMahallati M., Koocheki A., 2004. Investigations on the cardinal temperatures for germination of Plantagoovata and Plantago psyllium. Iranian journal of field crops research, 12:143-150.
22- Vleeshouwers L.1997. Modelings weed emergence patterns. PhD. Dissettation.Wageningen Agricultural University, Wageningen, the Netherlands. 165 p.
23- Wiese A.M., and Binning L.K. 1987. Calculating the threshold temperature of development for weeds. Weed Science, 35: 177-179.
24- Zeinati E., Soltani A., Galeshi S., andSadati S.J. 2009. Cardinal temperatures, response to temperature and range of thermal tolerance for seed germination in wheat (Triticumaestivum L.) cultivars. Electronic Journal crop production, 3 (3): 23-42