1. Articles in journal

Oka, Y., Chet, I. and Spiegel, Y. (1993). Control of the root-knot nematode Meloidogyne javanica by Bacillus cereus. Biocontrol Sci. Technol. 3: 115-126.

Oka, Y., Chet, I. and Spiegel, Y. (1997). An immunoreactive protein to wheat-germ agglutinin antibody is induced in oat roots following invasion of the cereal cyst nematode Heterodera avenae, and by jasmonate. Mol. Plant-Microbe Interact. 10: 961-969.

Oka, Y., Chet, I., Mor, M. and Spiegel, Y. (1997). A fungal parasite of Meloidogyne javanica eggs: evaluation of its use to control the root-knot nematode. Biocontrol Sci. Technol. 7: 489-497.

Oka, Y., Chet, I. and Spiegel, Y. (1997). Are pathogenesis-related proteins induced by Meloidogyne javanica or Heterodera avenae invasion? J. Nematol. 29: 501-508.

Oka, Y., Chet, I. and Spiegel, Y. (1997). Accumulation of lectins in cereal roots invaded by the cereal cyst nematode Heterodera avenae. Physiol. Mol. Plant Pathol. 51: 333-345.

Oka, Y., Cohen, Y. and Spiegel, Y. (1999). Local and systemic induced resistance to the root-knot nematode in tomato by dl-b-amino-n-butyric acid. Phytopathology 89: 1138-1143.

Oka, Y., Nacar, S., Putievsky, E., Ravid, U., Yaniv, Z. and Spiegel, Y. (2000). Nematicidal activity of essential oils and their components against the root-knot nematode. Phytopathology 90: 710-715.

Oka, Y., Koltai, H., Bar-Eyal, M., Mor, M., Sharon, E., Chet I. and Spiegel. Y. (2000). New strategies for control of plant-parasitic nematodes. Pest Manage. Sci. 56: 983-988.

Oka, Y. and Cohen, Y. (2001). Induced resistance to cyst and root-knot nematodes in cereals by DL-b-amino-n-butyric acid. Eur. J. Plant Pathol. 107: 219-227.

Oka, Y. (2001). Nematicidal activity of essential oil components against the root-knot nematode Meloidogyne javanica. Nematology 3: 159-164.

Oka, Y., Ben-Daniel, B. and Cohen, Y. (2001). Nematicidal activity of powder and extracts of Inula viscosa. Nematology 3: 735-742.

Oka, Y. and Pivonia, S. (2002). Use of ammonia-releasing compounds for control of the root-knot nematode Meloidogyne javanica. Nematology 4: 65-71.

Oka, Y. and Yermiyahu, U. (2002). Nematode-suppressive effects of composts against the root-knot nematode Meloidogyne javanica on tomato. Nematology 4: 891-898.

Gotlieb, D., Oka, Y., Ben-Daniel, B. and Cohen, Y. (2003). Dry mycelium of Penicillium chrysogenum protects cucumber and tomato plants against the root-knot nematode Meloidogyne javanica. Phytoparasitica 31: 217-225.

Oka, Y. and Pivonia, S. (2003). Effect of a nitrification inhibitor on nematicidal activity of organic and inorganic ammonia-releasing compounds against the root-knot nematode Meloidogyne javanica. Nematology 5: 505-513.

Oka, Y., Karssen, G. and Mor, M. (2003). Identification, host range and infection process of the root-knot nematode Meloidogyne marylandi from turf grass in Israel. Nematology 5: 727-734.

Oka, Y., Offenbach, R. and Pivonia, S. (2004). Pepper rootstock graft compatibility and response to Meloidogyne javanica and M. incognita. J. Nematol. 36: 137-141.

Raviv, M., Oka, Y., Katan, J., Hadar, Y., Yogev, A., Medina, S., Krasnovsky, A. and Zaidan, H. (2005). High-nitrogen compost as a medium for organic container-grown crops. Bioresour. Technol. 96: 419-427.

Oka, Y., Ben-Daniel B-H. and Cohen, Y. (2006). Control of Meloidogyne javanica by formulations of Inula viscosa leaf extracts. J. Nematol. 38: 46-51.

Oka, Y., Tkachi, N., Shuker, S., Rosenberg, R., Suriano, S. and Fine, P. (2006). Laboratory studies on the enhancement of nematicidal activity of ammonia-releasing fertilisers by alkaline amendments. Nematology 8: 335-346.

Mor, M. and Oka, Y. (2006). Histological study of giant cells formed by the root-knot nematode Meloidogyne artiellia as compared with M. hapla and M. javanica in cabbage, turnip and barley. Phytoparasitica 34: 502-509.

Oka, Y., Tkachi, N., Shuker S., Rosenberg, R., Suriano, S. and Fine, P. (2006). Field studies on the enhancement of nematicidal activity of ammonia-releasing fertilisers by alkaline amendments. Nematology 8: 881-893.

Oka, Y., Tkachi, N. and Mor, M. (2007). Phosphite inhibits development of the nematodes Heterodera avenae and Meloidogyne marylandi in cereals. Phytopathology 97: 396-404.

Oka, Y., Tkachi, N., Shuker S. and Yerumiyahu, U. (2007). Enhanced nematicidal activity of organic and inorganic ammonia-releasing amendments using neem extracts. J. Nematol. 39: 9-16.

Oka, Y., Shapira, N. and Fine, P. (2007). Control of root-knot nematodes in organic farming system by organic amendments and soil solarization. Crop Prot. 26:1556-1565.

Mor, M., Spiegel, Y. and Oka, Y. (2008). Histological study of syncytia induced in cereals by the Mediterranean cereal cyst nematode, Heterodera latipons. Nematology 10: 279-287.

Bar-Eyal, M., Sharon, E., Spiegel, Y. and Oka, Y. (2008). Laboratory studies on the biocontrol potential of the predatory nematode Koerneria sudhausi (Nematoda: Diplogastridae). Nematology 10: 633-637.

Oka, Y. and Mizukubo, T. (2009). Tomato culture filtrate stimulates hatching and activity of Meloidogyne incognita juveniles. Nematology 11: 51-61.

Oka, Y., Shuker, S. and Tkachi, N. (2009). Nematicidal efficacy of MCW-2, a new nematicide of the fluoroalkenyle group, against the root-knot nematode Meloidogyne javanica. Pest Manag. Sci. 65: 1082-1089.

Oka, Y. (2010). Mechanisms of nematode suppression by organic soil amendments-A review. Appl. Soil Ecol. 44: 101-115.

Edelstein, M., Oka, Y., Burger, Y., Eizenberg, H. and Cohen R. (2010). Variation in the response of cucurbits to Meloidogyne incognita and M. javanica. Israel Journal of Plant Sciences 58: 77-84.

Graber, E.R., Tsechansky, L., Khanukov, J. and Oka, Y. (2011). Sorption, volatilization and efficacy of the fumigant 1,3-dichloropropene in biochar-amended soil. Soil. Sci. Soc. Am. J. 75: 1365-1373.

Oka, Y., Shuker, S. and Tkachi, N. (2012). Systemic nematicidal activity of fluensulfone against the root-knot nematode Meloidogyne incognita on pepper. Pest Manag. Sci. 68: 268-275.

Oka, Y. (2012). Nematicidal activity of Verbesina encelioides against the root-knot nematode Meloidogyne javanica and effects on plant growth. Plant and Soil 355: 311-322.

Oka, Y., Ben-Daniel B. and Cohen, Y. (2012). Nematicidal activity of the leaf powder and extracts of Myrtus communis to the root-knot nematode Meloidogyne javanica. Plant Pathol. 61: 1012-1020.

Oka, Y., Shuker, S. and Tkachi, N. (2013). Influence of some soil environments on the nematicidal activity of fluensulfone against Meloidogyne javanica. Pest Manag. Sci. 69: 1125-1234.

Oka, Y., Shuker, S. Tkachi, N., Trabelcy B. and Gerchman Y. (2013). Nematicidal activity of Ochradenus baccatus against the root-knot nematode Meloidogyne javanica. Plant Pathol. 63: 221-231.

Cohen,  R., Tyutyunik, J., Fallik, E., Oka, Y., Tadmor, Y. and Edelstein, M. (2014). Phytopathological evaluation of exotic watermelon germplasm as a basis for rootstock breeding. Sci.Hort. 165: 203-210.  

Oka, Y. (2014) .Nematicidal activity of fluensulfone against some migratory nematodes Pest Manag. Sci. 70: 1850-1858.

2. Book chapter

Oka, Y. (2010). Nematode control in organic farming: From the laboratory to the field. Organic Farming and Peanut Crops. (eds. D. C. Grossman and T. L. Barrios). Nova Publishers.