Reza  Tavakkol Afshari,

Ph.D  in  Seed Biology (Assoicate Professor)

Department of Agronomy & Plant Breeding
Faculty of Agricultural Science & Engineering
College of Agriculture & Natural Resources,
University of Tehran, Karaj, Iran.

Phone: (98) 261 2246074
Fax: (98) 261 2227605
Email: tavakkol@ut.ac.ir
URL: http://utcan.ut.ac.ir/member/tavakkol.aspx

Academic Appointments
Education
Areas of Specialization and Research Interests
Current Teaching
Thesis Supervised
Selected Publication
Other
 
   
 Academic Appointments TOC
AppointmentsDurationAcademic Center
Faculty memberSince 1999College of Agriculture & Natural Resources
Head of Central Library2006-2009College of Agriculture & Natural Resources

Education TOC
Ph.D: Department of Plant Sciences, University of Saskatchewan, Canada
M.Sc: Department of Plant Sciences, University of Saskatchewan, Canada
B.Sc: Department of Agronomy & Plant Breeding, University of Ferdowsi, Mashhad, Iran

Areas of Specialization and Research Interests TOC
Seed Biology (seed dormancy, seed deterioration, seed enhancement technology)

Current Teaching TOC
Course TitleDegreeLevelsCourse IDCreditsSyllabusNotes
Seed BiologyB.ScUndergraduate71013453seed biology syllabus.pdf
Seed Physiology & MetabolismM.ScGraduate71014003
Embryogenesis and Seed DevelopmentM.ScGraduate71014032embryogenesis and seed development syllabus.pdf
Plant HormoneM.ScGraduate71014122
Seed EcologyPh.DGraduate71012872seed ecology syllabus.pdf

Thesis Supervised TOC
Physiological and regulatory mechanism of the relationship between vernalization-induced flowering and seasonal changes in cold acclimation potential of wheat and barley   more...

Effects of abscisic acid on cell differentiation, somatic embryogenesis and induction of desiccation tolerance in rapeseed (Brassica napus L.)   more...

Study of acid and alkalin phosphatase activities in dormant and after-ripened wheat seed embryo   more...

Effects of some phytohormones on physiological quality improvement of tall wheat grass (Agropyron elongatum) aged seeds under drought stress.   more...

Proteomic Comparison of primed and non-primed wheat seed embryo during germination.   more...

Comparison of proteomes in dormant and after-ripened seeds in bread wheat   more...

Study of protein kinases in dormant and non-dormant wheat seeds   more...

Effects of low temperature and freezing stress on germination, emergence and seedling growth of sugar beet   more...


Selected Publication TOC
A. Journals Papers
S. Maleki Farahani, M.R. Chaichi, D. Mazaheri, R. Tavakkol Afshari, G. Savaghebi. 2010. Barely grain chemical analysis under different irrigation and fertilizing systems. Asian Journal of Chemistry.22:2397-2406.   more...
S Ohadi, H. Rahimian Mashhadi, R Tavakkol Afshari, M B Mesgaran. 2010. Modeling the effect of light intensity and exposure duration on seed germination of Phalaris minor and Poa annua.Weed Research (in press).    more...
S. Maleki Farahani, D. Mazaheri, M. Chaichi, R. Tavakkol Afshari, G. Savaghebi. 2010. Effect of seed vigour on stress tolerance of barley (Hordeum vulgare) seed at germination stage. Seed Science and Technology. (in press)    more...
K. Salimi, R. Tavakkol Afshari, M. B. Hosseini, P. C. Struik. 2010. Effects of gibberellic acid and carbon disulphide on sprouting of potato minitubers. Scientia Horticulturae. 124:14-18.   more...
S. Ohadi, H. Rahimian Mashhadi, R. Tavakkol Afshari. 2009. Seasonal changes in germination response of seeds of the winter annual weed littleseed canarygrass (Phalaris minor) to light. Weed Science. 57:613-619.   more...
H.R. Eisvand, R. Tavakkol Afshari, F. Sharifzadeh, H.M. Maddah Arefi, S.M. Hesamzadeh Hejazi. 2009. Improvement of physiological quality of deteriorated tall wheat grass seeds by hormonal priming for non-drought and drought stress conditions.Iranian Journal of Field Crop Science. 39:53-66. (in Farsi, Abstract in English)   more...
F. Dastaran Mamaghani, R. Tavakkol Afshari. 2009. Study of seed dormancy, period of after-ripening, and pre-harvest sprouting resistance in barley genotypes. Iranian Journal of Field Crop Science. 40:77-88 (in Farsi, Abstract in English)   more...
Shahryar Sasani,Megan N. Hemming, Sandra N. Oliver, Aaron Greenup, Reza Tavakkol Afshari, Siroos Mahfoozi, Kazem Poustini, Hamid-Reza Sharifi, Elizabeth S. Dennis, W. James Peacock and Ben Trevaskis. 2009. The influence of vernalization and daylength on expression of flowering-time genes in the shoot apex and leaves of barley (Hordeum vulgare). Journal of Experimental Botany. 60,7, 2169-2178   more...
A. Abbasi Surki, F. Sharifzade, R. Tavakkol Afshari, N. Majnoun Hosseini and H. R. Gazor. 2009. Optimization of soybean (Glycine max Merr.) seed drying conditions with response surface methodology in a constant-bed dryer using two cultivars. Seed Science and Technology. 37:650-666   more...
R. Angoshtari, R. Tavakkol Afshari, S. Kalantari and M. Omidi. 2009. Effects of abscisic acid on somatic embryogenesis and induction of desiccation tolerance in Brassica napus. Asian Journal of Plant Sciences. 8 (4):276-284   more...
A. Moosavi, R. Tavakkol Afshari , F. Sharif-Zadeh and A. Aynehband. 2009.Seed priming to increase salt and drought stress tolerance during germination in cultivated species of Amaranth. Seed Science and Technology. 37:781-785   more...
A. Moosavi, R. Tavakkol Afshari, F. SharifZadeh, A. Ayneband. 2009. Effect of seed priming on germination characteristics, polyphenoloxidase and peroxidase activities of four amaranth cultivars. Journal of Food, Agriculture, and Environemnt. 7:353-358.   more...
Z. Mortaji, R. Tavakkol-Afshari, H. Alizadeh, B. Yazdi Samadi. 2008. RNA isolation and expression from different dormant and after-ripened wheat seed tissues rich in polysaccharides and protein. Asian Journal of Plant Sciences. 7:201-206   more...
S. Maddah Hosseini, K. Poustini, A. Ahmadi, R. Tavakkol Afshari. 2008. Effects of foliar application of BAP on source and sink strength in four six-rowed barley cultivars. Plant Growth Regulation. 54:231-239   more...
A. Rahnama-Ghahfarokhi and R. Tavakkol-Afshari. 2007. Methods for dormancy breaking and germination of Galbanum seeds (Ferula gummosa). Asian Journal of Plant Sciences. 6:611-616   more...
M. Hesamzadeh, S. Abdemishani, A. Hosseinzadeh, H. Alizadeh, R. Tavakkol Afshari. 2006. Rapid transformation method of diploid and tetraploid Medicago with high efficiency for expression of Sn and Gus genes. Iranian Journal of Agricultural Sciences. 36:1025-1044. (in Farsi, abstract in English).   more...
B. Darvishi, K. Poustini, R. Tavakkol Afshari. 2006. Photosynthetic response of four Iranian alfalfa cultivars to salinity stress. Iranian Journal of Agricultural Sciences. 36:1529-1538. (in Farsi, abstract in English).   more...
F. Javidfar, H. Zeinali, S. Abdemishani, A. Nejat Boushehri, R. Tavakkol Afshari. 2006. Molecular mapping and QTL controlling of fatty acids in oilseed rape. Journal of Agricultural Sciences. 37: 125-134. (in Farsi, abstract in English).   more...
R. Tavakkol Afshari. 2006. Evaluation of pre-harvest sprouting resistance in durum wheat germplasm. Asian Journal of Plant Sciences. 5:668-672   more...
M. Zavareh, H. Rahimian Mashhadi, G. Hogenbom, R. Tavakkol Afshari, M. Nasiri Mahalati, F. Sharifzadeh. 2006. Dry matter partitioning to sesame roots in response to temperature and elevated CO2. Iranian Journal of Agricultural Sciences. 37:145-156. (in Farsi, abstract in English).   more...
H. R. Eisvand, H. M. Arefi, R. Tavakkol Afshari. 2006. Effects of various treatments on breaking seed dormancy of Astragalus siliquosus. Seed Science and Technology. 34:747-752   more...
S. Ehsanfar, S.A. Modarres-Sanavy, R. Tavakkol Afshari. 2006. Effects of osmopriming on seed germination of canola under salinity stress. Communication in Agriculture & Applied Biological Science. 71:155-159.   more...
J. Etezadi Jam, R. Tavakkol Afshari, B. Yazdisamadi, A. Hosseinzadeh. 2005. Pre-harvest sprouting resistance and study of correlation and path analysis of seed characteristics with pre-harvest sprouting resistance in bread wheat. Iranian Journal of Agricultural Sciences. 36:733-742. (in Farsi, abstract in English).   more...
J. Etezadi Jam, R. Tavakkol Afshari, B. Yazdisamadi, A. Nejat Boushehri. 2005. Study of seed dormancy, after-ripening and polypeptide patterns of dormant and non-dormant embryos in bread wheat. Iranian Journal of Agricultural Sciences. 36:859-868. (in Farsi, abstract in English).   more...
A. Jalilian, D. Mazaheri, R. Tavakkol Afshari, H. Rahimian, M. Abdolahian, J. Gohari. 2005. Estimation of base temperature and investigation of germination and field emergence trend of monogerm sugar beet under various temperatures. Journal of Sugar Beet. 20:97-112. (in Farsi, abstract in English).   more...
A. Jalilian, R. Tavakkol Afshari. 2005. Effect of osmopriming on germination of sugar beet seeds under drought stress. The Scientific Journal of Agriculture. 27:23-36. (in Farsi, abstract in English).   more...
R. Tavakkol Afshari, P. Hucl. 2002. Variation of seed dormancy and after-ripening in tetraploid wheat. Journal of Agricultural Science and Technology. 4:23-26   more...
R. Tavakkol Afshari, P. Hucl. 2001. Temporal changes in abscisic acid concentration in dormant and non-dormant seeds of wheat genotypes. Journal of Agricultural Science and Technology. 3:9-18   more...
R. Tavakkol Afshari, P. Hucl. 1998. Response of 21 spring wheat genotypes to formalin seed treatment. Seed Science & Technology. 26:199-209   more...

B. Conference Papers
Proteomic comparison of primed and non-primed wheat seed embryo during germination. 2008. 9th ISSS Conference on Seed Biology.Olsztyn, Poland.   more...
How saturation of the vernalization requirement is related to accumulation of some compatible solutes in bread wheat cultivars exposed to low temperature.8th International Plant Cold Hardiness Seminar. 2007. Saskatchewan, Canada.   more...
The effects of abscisic acid and cytokinin on improvement of germination of deteriorated canola seeds under drought stress. 2007. The 12th International Rapeseed Congress. Wuhan, China.   more...
Investigation of abscisic acid effects on germination and callus culture of rapeseed under salinity stress. 2003. 7th International Congress of Plant Molecular Biology. Barcelona, Spain.   more...
5. Improvement of Iranian tetraploid wheat germplasm for pre-harvest sprouting resistance. 2002. 7th International Workshop on Seed Biology. Salamanca, Spain.    more...

Other TOC