Reza  Tavakkol Afshari

Ph.D  in  Seed Biology (Professor)


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

Phone: (98) 26 32246074
Fax: (98) 26 32227605
Email: tavakkol@ut.ac.ir
URL: http://can.ut.ac.ir/member/tavakkol.aspx

Academic Appointments
Education
Areas of Specialization and Research Interests
Current Teaching
Thesis Supervised
Selected Publication
Book
Other
 
   
 Academic Appointments TOC
AppointmentsDurationAcademic Center
Faculty Member (Professor)Since 1999College of Agriculture & Natural Resources, University of Tehran, Iran.
Editor-in-Chief2012-2015Iranian Journal of Seed Science and Technology
President of Iranian Seed Society2012-2015Iranian Seed Society

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
Seed germination modeling and polypeptide pattern analysis of primed seeds in Wheatgrass (Agropyron elongatum (Host.)) under drought and low temperature stresses   more...

The effects of harvesting time, drying and storing conditions on seed quality of soybean cultivars   more...

Physiological and biochemical effects of abscisic acid on deteriorated canola (Brassica Napus) seeds under low temperature stress   more...

Study of the interrelationship between vegetative/reproductive transition stage and cold induced protein expression using proteomics analysis in wheat grown under field conditions   more...

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...

Plant growth strategies of two ecotype of thyme (Thymus daenensis sub. sp. daenensis) in response to various environmental conditions    more...


Selected Publication TOC
A. Journals Papers
B. Karvani, R. Tavakkol Afshari, N. Majnoun Hosseini, M. Oveisi, B. Miranshahi. 2016.Assessment of seed dormancy in Scrophularia striata. Seed Science & Technology. 44:1-6. http://doi.org/10.15258/sst.2016.44.1.18   more...

B. Darvishi, K. Poustini, A. Ahmadi, R. Tavakkol Afshari, J. Shaterian, M.H. Jahanbakhshpour. 2015. Effect of nutritional treatments on physiological characteristics and tuberization of potato plants under hydroponic sand culture. Journal of Plant Nutrition. 38:2096-2111. http://doi.org/10.1080/01904167.2015.1009101   more...

A. Shayanfar, R. Tavakkol Afshari, H. Alizadeh. 2015.Proteome analysis of wheat embryo (Triticum aestivum) germination under drought stress. Plant Omics Jouranl. 8:372-380   more...

M.A. Tolyat, R. Tavakkol Afshari, M.R. Jahansoz, F. Nadjafi, H.A. Naghdibadi. 2014. Determination of cardinal temperatures of two ecotypes of Thymus daenensis subsp. daenensis. Seed Science & Technology. 42:28-35. http://doi.org/10.15258/sst.2014.42.1.03   more...

S, Khayamim, R. Tavakkol Afshari, SY, Sadeghian, K, Poustini, F, Rouzbeh, Z, Abbasi, 2014. Seed Germination, Plant Establishment, and Yield of Sugar Beet Genotypes under Salinity Stress. Journal of Agricultural Science and Technology. 16:779-790.   more...

A. Rahnama, K. Poustini, R. Tavakkol-Afshari, A. Ahmadi & H. Alizadeh. 2011. Growth properties and ion distribution in different tissues of bread wheat genotypes (Triticum aestivum L.) differing in salt tolerance. J. Agronomy & Crop Science. 197:21-30.   more...

S. Maleki Farahani, M. R. Chaichi, D. Mazaheri, R. Tavakkol Afshari, Gh. Savaghebi.2011. Barley grain mineral analysis as affected by different fertilizing systems and by drought stress. Journal of Agricultural Science and Technology.13:315-326.   more...

H. Dehghanpour Farashah, R. Tavakkol Afshari, F. Sharifzadeh, S. Chavoshinasab. 2011. Germination improvement and alpha-amylase and beta-1,3-glucanase activity in dormant and non-dormant seeds of Oregano (Origanum vulgare). Australian Journal of Crop Science. 5:421-427.   more...

R. Tavakkol Afshari, R. Angoshtari, S. Kalantari. 2011. Effects of light and different plant growth regulators on induction of callus growth in rapeseed (Brassica napus L.) genotypes. Plant OMICS. 4:60-67.   more...

A. Alimadadi, M.R. Jahansouz, H. Besharati, R. Tavakkol-Afshari. 2011. Evaluating the effects of biofertilizers and seed priming on chickpea. Journal of Food, Agriculture & Environment. 9:362-365.    more...

S. Ohadi, H. Rahimian Mashhadi and R. Tavakkol-Afshari. 2011. Effects of storage and burial on germination responses of encapsulated and naked seeds of Rapistrum rugosum to light. Weed Science. 59:483-488.   more...

M.B. Hosseini, R.Tavakkol Afshari, K. Salimi. 2011. Breaking dormancy of potato minitubers with thiourea. Potato Journal. 38:9-12   more...

A. Abbasi Surki, F. Sharifzade, R. Tavakkol Afshari, N. Majnoun Hosseini, H.R. Gazor. 2010. Optimization of processing parameters of soybean seeds dried in a constant-bed dryer using resposne surface methodology. J. Agricultural Science and Technology. 12:409-423.   more...

H. R. Rouhi, R. Tavakkol Afshari, K. Shakarami. 2010. Seed treatments to overcome dormancy of waterlily tulip (Tulipa kaufmanniana Regel.). Australian Journal of Crop Science.4:718-721.   more...

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. 50:209-217.    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. 38:494-507.    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...

Kh. Salimi, M. B. Hosseini, P. C. Struik, R. Tavakkol Afshari.2010. Carbon disulphide promotes sprouting of potato minitubers. Australian Journal of Crop Science. 4:163-168.   more...

H.R. Eisvand, R. Tavakkol Afshari, F. Sharifzadeh, H.M. Maddah Arefi, S.M. Hesamzadeh Hejazi. 2010. Effects of hormonal priming and drought stress on activity and isozyme profiles of antioxidant enzymes in deteriorated seed of tall wheat grass. Seed Science and Technology. 38:280-297.   more...

KH. Salimi, M. B. Hosseini, R. Tavakkol Afshari,P. C. Struik. 2010. Effects of concentration and propagule age on the efficacy of gibberellic acid for breaking dormancy in potato minitubers. Journal of Horticultural Science & Biotechnology. 85:461-464.   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
Identification of chemical and biochemical characteristics of oil seeds of balangu (Lallemania royleana) under accelerated aging condition. 2013. 30th ISTA Seed Congress. Antalya, Turkey.   more...

Storage effects on electrical conductivity and fatty acid composition of Carthamus tinctorius seed. 2012. International Conference of Agricultural Engineering. Valencia, Spain.   more...

Physiological study of seed deterioration in safflower (Carthamus tinctorius). 2011. 10th Conference of the International Society for the Seed Science, Bahia, Brazil.   more...

Canola seed priming by abscisic acid improved antioxidant enzymes activity under low temperature stress. 2011. 13th International Rapeseed Congress, Prague, Czech Republic.   more...

Effects of abscisic acid on somatic embryogenesis and induction of dessication tolerance in rapeseed. 2010. 29th ISTA Congress, Cologne, Germany.   more...

Effect of drought stress on seed embryo axis phosphatase activity during early stages of germination of two bread wheat cultivars. 2009. The 3rd International Conference on Integrated Approaches to Improve Crop Production Under Drought-Prone Environments (INTERDROUGHT III). Shanghai, China.   more...

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...


Book TOC
1. Seed Technology and Its biological Basis (Eds., J.D. Bewley, M. Black). Translated by: R. Tavakkol Afshari, A. Abbasi Surki, E. Ghasemi. 2009. University of Tehran Press. Tehran, Iran. (Selected translated book in 18th Research Festival, 2009. University of Tehran). عنوان فارسی: فناوری بذر و مبانی زیست شناخت آن. انتشارات دانشگاه تهران. 1387 (کتاب برگزیده در هیجدهمین دوره کتاب برتر دانشگاهی)

2. Seed Ecology (Eds., M. Fenner, K. Thompson). Translated by: R. Tavakkol Afshari, M. Ghorbanpour, M. Beheshtian Mesgaran, A. Rahnama. 2013. University of Tehran Press, Tehran. Iran. عنوان فارسی: اکولوژی بذر. انتشارات دانشگاه تهران. 1391

3. Seeds: Physiology of Development, Germination and Dormancy (Eds, J. Derek Bewley, K.J. Bradford, H.W.M. Hilhorst, H.Nonogaki). Translatedby: R. Tavakkol Afshari, 2014. University of Tehran Press.1393.عنوان فارسی: فیزیولوژی بذر. انتشارات دانشگاه تهران.

Other TOC
Member of editorial board, Iranian Journal of Field Crop Science. College of Agriculture & Natural Resources. University of Tehran, Iran.

Member of editorial board, Pajouhesh & Sazandege. Ministery of Agriculture, Iran.