Akhiyani, A., Damadzadeh, M., and Ahmadi, A. R. 1993. Identification of plant parasitic nematodes in sugar beet fields in Esfahan. Proceedings of the 11th Iranian Plant Protection Congress. Rasht, Iran. Page 123 (in Persian).## Altman, J., and Thomason, I.1971. Nematodes and their control. pp. 335-370. In: Russell, T. J., John, T. A., George, E. R., and George, R. H. (eds.) Advances in Sugar Beet Production, Principles and Practices. The Iowa State University Press, Ames, Iowa, USA. ## Arnold, E. S. 1984. Nematode parasites of sugar beet. pp. 507-569. In: Nickle, W.R. (ed.) Plant and Insect Nematodes. Marcel Dekker Inc., New York and Basel, USA. 925 pp.## Bakooie, M., Mahmoudi, S. B., Pourjam, E., and Safaie, N. 2015. Optimal inoculum levels for resistance screening of sugar beet to root-knot nematode under greenhouse condition. Journal of Sugar Beet 30(2): 157-166 (in Persian).## Biancardi, E., McGrath, J. M., Panella, L. W., Lewellen, R. T., and Stevanato, P. 2010. Sugar Beet. pp. 173-219. In: Bradshaw, J.E.(ed.). Root and Tuber Crops. Handbook of Plant Breeding Volume 7. Springer Science+Bussiness Media, LLC, New York, USA.## Di Vito, M. 1983. Reaction of Beta spp. to root knot nematodes. Journal of Nematology 15(1): 144-145.## Duffus, J. E., and Ruppel, E. G.1993. Diseases. pp. 347-427. In: Cook, D.A., and Scott, R.K. (eds.). The Sugar Beet Crop. Chapman and Hall, London, UK.## El-Nagdi, W. M. A., Youssef, M. M. A., and Moustafa, Z. R. 2004. Reaction of sugar beet varieties to Meloidogyne incognita root knot nematode based on quantitative and qualitative yield characteristics. Pakistanian Journal of Nematology 22: 157-165.## Golden, A. M. 1959. Susceptibility of several Beta species to the sugar-beet nematode (Heterodera schachtii) and root-knot nematodes (Meloidogyne spp.). Journal of American Society of Sugar Beet Technologists 10: 444-447.## Griffin, G. D., and Elgin Jr, J. H. 1977. Penetrationand development of Meloidogyne hapla in resistant and susceptible alfalfa under differing temperatures.Journal of Nematology 9: 51-56.## Hadisoeganda, W. W., and Sasser, J. N. 1982. Resistance of tomato, bean, southern pea, and garden pea cultivars to root-knot nematodes based on host suitability. Plant Disease 66: 145–150. ## Hussey, R. S., and Boerma, H. R. 1981. A greenhouse screening procedure for root-knot nematode resistance in soybean. Crop Science 21: 794-796.## Ibrahim, I. K. A. 1982. Species and races of root-knot nematodes and their relationship to economic host plants in northern Egypt. pp: 66-84. In: Proceeding of the 3rd Research and Planning Conference on Root-Knot Nematodes Meloidogyne spp. Coimbra, Portugal. ## Ismail, A. E., Aboul-Eid, H. Z., and Besheit, S. Y. 1996. Effects of Meloidogyne incognita on growth response and technological characters of certain sugar beet varieties. Afro-Asian Journal of Nematology 6(2): 195-202.## Janati, A., Aouragh, E. H., and Meskine, M. 1982. The root- knot nematodes Meloidogyne spp. in Morocco. pp. 85-93. In: Proceeding of the 3rd Research and Planning Conference on Root Knot Nematodes Meloidogyne spp. Coimbra, Portugal. ## Jepsen, S. B. 1983. Identification of Meloidogyne: a general assessment and a comparison of male morphology using light rnicroscopy, with a key to 24 species. Revue Nèmatology 6(2): 291-309.## Karegar, A. 2006. Identification of plant-parasitic nematodes associated with sugar beet and their distribution in Hamedan Province, Iran. Iranian Journal of Plant Pathology 42: 159-178 (in Persian).## Korayem A. M., El-Bassiouny H. M. S., Abd El-Monem A. A., and Mohamed M. M. M. 2012. Physiological and biochemical changes in different sugar beet genotypes infected with root-knot nematode. Acta Physiologiae Plantarum 34: 1847-1861.## Maareg, M. F., Hassanein, M. A., Allam, A. I., and Oteifa, B. A. 1998. Susceptibility of twenty six sugar beet varieties to root knot nematodes Meloidogyne spp. in the newly reclaimed sandy soils of Al-Bostan region. Egyptical Journal of Agronematology 2(1): 111-125.## Mahmoudi, B., Vaziri, A., and Abdollah, A. 2009. Sugar Beet Pests, Diseases and Weeds in Baghlan. FAO Reporter. 63 pp.## Mehdikhani Moghadam, E., Keiri, A., and Okhovat, M. 1996. Morphological and morphometrical study of three endoparasitic nematodes of sugar beet in Mashhad region. Iranian Journal of Plant Pathology 32(1,2): 1-15 (in Persian).## Niknam, G., and Kheiri, A.1996. Identification of plant parasitic nematodes (Tylenchida) in Moghan fields. Journal of Agricultural Science 7(1,2): 1-33.## Nobre Maleita, C. M., Cunha Curtis, R. H., John Powers, S., and Abrantes, I. 2012. Host status of cultivated plants to Meloidogyne hispanica. European Journal of Plant Pathology 133: 449-460.## Omidvar, A. M. 1968. Plant Parasitic Nematodes, Behavior, Biology, Systematics and Their Control. Ministry of Agriculture, Tehran, Iran. 192 pp. (in Persian).## Ommati, F., and Giti, M. 2010. Identification and spread of sugar beet parasitic nematodes of Semnan province. Proceedings of the 19th Iranian Plant Protection Congress, Tehran, Iran. Page 5495 (in Persian).## Panella, L., and Lewellen, R. T.2007. Broadening the genetic base of sugar beet:introgression from wild relatives. Euphytica 154: 383-400.## Sasser, J. N., and Carter, C. C. 1985. An Advanced Treatise on Meloidogyne. Volume I: Biology and Control. A Cooperative Publication of the Department of Plant Pathology and the United States Agency for International Development, North Carolina State University Graphics, Raleigh, North Carolina, USA. 223 pp.## Taylor, A. L., and Sasser, J. N. 1978. Biology, Identification and Control of Root-Knot Nematodes (Meloidogyne species). Raleigh: North Carolina State University Graphics, USA. 111 pp.## Van Geyt, J. P. C., Lange, W., Oleo, M., and De Bock Th. S. M. 1990. Natural variation within the genus Beta and itspossible use for breeding sugar beet: a review. Euphytica 49: 57-76.## Weiland, J. J., and Yu, M. H. 2003. A cleaved amplified polymorphic sequence (CAPS) marker associated with root-knot nematode resistance in sugar beet. Crop Science 43: 1814-1818.## Whitehead, A. G. 1969. The distribution of root-knot nematode, Meloidogyne spp. in tropical Africa. Nematologica 15: 315-333.## Whitney, E. D., and Duffus, E. 1986. Compendium of Beet Disease and Insects. APS Press, St. Paul, Minnesota, USA. 76 pp.## Williamson, V. M. 1998. Root-knot nematode resistance genes in tomato and their potential for future use. Annual Review of Phytopathology 36: 277-293.## Yu, M. H. 1984. Resistance to Heterodera schachtii in Patellares section of the genus Beta. Euphytica 33: 633-640.## Yu, M. H. 1995. Root-knot nematode development and root gall formation in sugar beet. Journal of Sugar Beet Research 32(1): 47-58.## Yu, M. H., and Steele, A. E.1981. Host-parasite interaction of resistant sugar beet and Heterodera schachtii. Journal of Nematology 13(2): 206-212.## Yu, M. H., Heijbroek, W., and Pakish, L. M. 1999. The sea beet source of resistance to multiple species of root-knot nematode. Euphytica 108: 151-155.##