Publications
Refereed Articles
- Gavassoni, W.L., G.L. Tylka, and G.P. Munkvold. Relationships between tillage and spatial patterns of Heterodera glycines. 2001. Journal of Nematology 91: 534-545.
- Charlson, D.V. and G.L. Tylka. Heterodera glycines cyst components and surface disinfestation affect H. glycines hatching. 2003. Journal of Nematology 35: 458-464.
- Tabor, G.M., G.L. Tylka, S.C. Cianzio, and C.R. Bronson. Resistance to Phialophora gregata is expressed in the stems of resistant soybeans. 2003. Plant Disease 87:970-976.
- Tabor, G.M., G.L. Tylka, J.E. Behm, and C.R. Bronson. 2003. Heterodera glycines infection increases incidence and severity of brown stem rot of soybeans. Plant Disease 87:655-661.
- Wang, J., T.L. Niblack, J.N. Tremaine, W.J. Wiebold, G.L. Tylka, C.C. Marett, G.R. Noel, O. Myers, O., and M.E. Schmidt. 2003. The soybean cyst nematode reduces soybean yield without causing obvious symptoms. Plant Disease 87:623-628.
- Fallick, J.B., W.D. Batchelor, G.L. Tylka, T.L. Niblack, and J.O. Paz. 2002. Coupling soybean cyst nematode damage to CROPGRO-Soybean. Transactions of the American Society of Agricultural Engineers 45:433-441.
- Niblack, T.L., Riggs, R.D., P.R. Arelli, G.R. Noel, C.H. Opperman, J.H. Orf, D.P. Schmitt, J.G. Shannon and G.L. Tylka. 2002. A new classification scheme for genetically diverse populations of Heterodera glycines. Journal of Nematology 34:279-288.
- Nutter, F.W., G.L. Tylka, J. Guan, A.J.D. Moreira, C.C. Marett, T.R. Rosburg, J.P. Basart, and C.S. Chong. 2002. Use of remote sensing to detect soybean cyst nematode-induced plant stress. Journal of Nematology 34:222-231.
- Perry, R.N., J. Beane, C.C. Marett, and G.L. Tylka. 2002. Comparison of the rate of embryonic development of Globodera rostochiensis and G. pallida using flow cytometric analysis. Nematology 4:553-555.
- Gavassoni, W.L., G.L. Tylka, and G.P. Munkvold. 2001. Relationship between tillage and spatial patterns of Heterodera glycines. Phytopathology 91:534-545.
- Paz, J.O., W.D. Batchelor, G.L. Tylka, and R.G. Hartzler. 2001. A modeling approach to quantify the effects of spatial soybean yield limiting factors. Transactions of the American Society of Agricultural Entineers 44:1329-1334. Abstract
- Paz, J.O., W.D. Batchelor, and G.L. Tylka. 2001. Method to use crop growth models to estimate potential return for variable-rate management in soybeans. Transactions of the American Society of Agricultural Engineers 44:1335-1341. Abstract
- Buckelew, L.D., L.P. Pedigo, H.M. Mero, M.D.K. Owen, and G.L. Tylka. 2000. Effects of weed management systems on canopy insects in herbicide-resistant soybeans. Journal of Economic Entomology 93:1437-1443.
- Wang, J., P.A. Donald, T.L. Niblack, G.W. Bird, J. Faghihi, J.M. Ferris, D.J. Jardine, C. Grau, P.E. Lipps, A.E. Macguidwin, H. Melakeberhan, G.R. Noel, P. Pierson, R.M. Reidel, P.R. Sellers, W.C. Stienstra, T.C. Todd, G.L. Tylka, and D.S. Wysong. 2000. Soybean cyst nematode reproduction in the north central United States. Plant Disease 84:77-82. Abstract
- Workneh, F., X.B. Yang, and G.L. Tylka. 1999. Soybean brown stem rot, Phytophthora sojae, and Heterodera glycines affected by soil texture and tillage relations. Phytopathology 89:844-850. Abstract
- Workneh, F., G.L. Tylka, X.B. Yang, J. Faghihi, and J.M. Ferris. 1999. Assessment of soybean brown stem rot, Phytophthora sojae, and Heterodera glycines in the northcentral United States using area-frame sampling: prevalence and effects of tillage. Phytopathology 89:204-211. Abstract
- Workneh, F., X.B. Yang, and G.L. Tylka. 1998. Effect of tillage practices on vertical distribution of Phytophthora sojae. Plant Disease 82:1258-1263.
- Levene, B.C., M.D.K. Owen, and G.L. Tylka. 1998. Influence of herbicide application to soybean on soybean cyst nematode egg hatching. Journal of Nematology 30:347-352. Abstract
- Levene, B.C., M.D.K. Owen, and G.L. Tylka. 1998. Response of soybean cyst nematodes and soybeans to post herbicides. Weed Science 46:263-270. Abstract
- Thompson, J.M., and G.L. Tylka. 1997. Differences in hatching of Heterodera glycines egg-mass and encysted eggs in vitro. Journal of Nematology 29:315-321. Abstract
- Kraus, G.A., S. Vander Louw, G.L. Tylka, and D.H. Soh. 1996. The synthesis and testing of compounds that inhibit soybean cyst nematode egg hatch. Journal of Agricultural and Food Chemistry 44:1548-1550. Abstract
- Shapiro, D.I., G.L. Tylka, and L.C. Lewis. 1996. Effects of fertilizers on virulence of Steinernema carpocapsae. Applied Soil Ecology 3:27-34. Abstract
- Behm, J.E., G.L. Tylka, T.L. Niblack, W.J. Wiebold, and P.A. Donald. 1995. Effects of zinc fertilization of corn on hatching of Heterodera glycines in soil. Journal of Nematology 27:164-171. Abstract
- Shapiro, D.I., G.L. Tylka, E.C. Berry, and L.C. Lewis. 1995. Effects of earthworms on the dispersal of Steinernema spp. Journal of Nematology 27:21-28. Abstract
- Browde, J.A., L.P. Pedigo, M.D.K. Owen, G.L. Tylka, and B.C. Levene. 1994. Growth of soybean stressed by nematodes, herbicides, and simulated insect defoliation. Agronomy Journal 86:968-974. Abstract
- Browde, J.A., L.P. Pedigo, M.D.K. Owen, and G.L. Tylka. 1994. Soybean yield and pest management as influenced by nematodes, herbicides, and defoliating insects. Agronomy Journal 86:601-608. Abstract
- Browde, J.A., G.L. Tylka, L.P. Pedigo, and M.D.K. Owen. 1994. A method for infesting small field plots with Heterodera glycines. Agronomy Journal 86:585-587. Abstract
- Browde, J.A., G.L. Tylka, L.P. Pedigo, and M.D.K. Owen. 1994. Responses of Heterodera glycines populations to a postemergence herbicide mix and simulated insect defoliation. Journal of Nematology 26:498-504. Abstract
- Kraus, G.A., B. Johnston, A. Kongsjahju, and G.L. Tylka. 1994. The synthesis and evaluation of compounds that affect soybean cyst nematode egg hatch. Journal of Agricultural and Food Chemistry 42:1839-1840.
- Wong, A.T.S. and G.L. Tylka. 1994. Eight nonhost weed species of Heterodera glycines in Iowa. Plant Disease 78:365-367. Abstract
- Tylka, G.L., T.L. Niblack, T.C. Walk, K.R. Harkins, L. Barnett, and N.K. Baker. 1993. Flow cytometric analysis and sorting of Heterodera glycines eggs. Journal of Nematology 25:596-602. Abstract
- Wong, A.T., G.L. Tylka, and R.G. Hartzler. 1993. Effects of eight herbicides on in vitro hatching of Heterodera glycines. Journal of Nematology 25:578-584. Abstract
- Tylka, G.L., R.S. Hussey, and R.W. Roncadori. 1991. Axenic germination of vesicular-arbuscular mycorrhizal fungi: effects of selected Streptomyces species. Phytopathology 81:754-759. Abstract
- Tylka, G.L., R.S. Hussey, and R.W. Roncadori. 1991. Interactions of vesicular-arbuscular mycorrhizal fungi, phosphorus, and Heterodera glycines on soybean. Journal of Nematology 23:122-133. Abstract
Selected Abstracts
- Gavassoni, W.L., G.P. Munkvold, and G.L. Tylka. 1998. Tillage alters spatial dependence of Heterodera glycines. Presentation at the 1998 Society of Nematologists Annual Meeting, St. Louis, MO.
- Mero, H.E., M.D.K. Owen, and G.L. Tylka. 1998. Effects of herbicide-resistant soybean varieties on Heterodera glycines. Presentation at the 1998 Society of Nematologists Annual Meeting, St. Louis, MO.
- Reynolds, D.A., G.L. Tylka, and C.A. Martinson. 1998. Components of swine manure affect Heterodera glycines egg hatch and juvenile behavior. Presentation at the 1998 Society of Nematologists Annual Meeting, St. Louis, MO.
- Tylka, G.L.. 1998. A different perspective on IPM: multiple pests, multiple tactics. Presentation at the 1998 Society of Nematologists Annual Meeting, St. Louis, MO.
- Tylka, G.L., C. Sanogo, and S.K. Souhrada. 1998. Relationships among Heterodera glycines population densities, soybean yields, and soil pH. Presentation at the 1998 Society of Nematologists Annual Meeting, St. Louis, MO.
- Tylka, G.L., and S. K. Souhrada. 1997. Population densities of Heterodera glycines determined using global positioning technology. Journal of Nematology 29:609.
- Tylka, G.L., and S. K. Souhrada. 1997. Yield losses of Heterodera glycines-resistant soybean cultivars in Iowa in 1996. Journal of Nematology 29:610.
- Tylka, G.L., D. H. Soh, and J. R. Coats. 1997. Glucosinolate breakdown products for management of Heterodera glycines. Journal of Nematology 29:609.
- Behm, J.E., G.L. Tylka, and S.R. Cianzio. 1996. Evaluations of soybean genotypes for tolerance to soybean cyst nematode. Phytopathology 86 (supplement):98.
- Marett, C.C., G.L. Tylka, and K.R. Harkins. 1996. Relationship between embryogeny and hatching of soybean cyst nematode eggs. Phytopathology 86 (supplement):98.
- Gavassoni, W.L., G.P. Munkvold, and G.L. Tylka. 1996. Spatial difference of soybean cyst nematode cyst and egg populations. Phytopathology 86 (supplement):86.
- Souhrada, S.K., D.M. Volkers, and G.L. Tylka. 1995. Effects of selected greenhouse insecticides on Heterodera glycines reproduction. Journal of Nematology 27:519.
- Wainwright, L.L. and G.L. Tylka. 1995. Embryological development of Heterodera glycines on soybean cultivars of different maturity groups in Iowa. Journal of Nematology 27:523.
Book Chapters
- Jones, P.W., G.L. Tylka, and R.N. Perry. 1998. Chapter 8, Hatching, pp. 181-212 in Physiology and Biochemistry of Free-living and Plant-parasitic Nematodes. R.N. Perry and D.J. Wright, eds. CAB International, Oxon, United Kingdom.
Extension Publications
- ISU Extension Nematology Publications
Conference Proceedings
- Tylka, G.L. 2000. Integrated Management of Soybean Cyst Nematode in the North Central United States. XXII Congresso Brasileiro de Nematologia.
- Tylka, G.L. 1999. Soybean Cyst Nematode Race Test: Do You Need One? Proceedings of the 19th Annual University of Minnesota Crop Pest Management Short Course, pp. 25-32.
- Tylka, G.L. 1999. Soybean cyst nematode - biology and management. Proceedings of the Iowa State University Integrated Crop Management Conference, pp. 133-138.
- Tylka, G.L. 1998. Soybean cyst nematode; picking your pockets. Proceedings of the Fifth Annual Southwest Agricultural Conference (Ontario, Canada), pp. 10-15.
- Tylka, G.L. 1998. Soybean cyst nematode - identification and extraction techniques. Proceedings of the Iowa State University Integrated Crop Management Conference, pp. 133-139.
- Tylka, G.L. 1996. Soybean cyst nematode: what does it mean to the seed industry? Proceedings of the Eighteenth Annual Seed Technology Conference, Iowa State University, pp. 17-26.
- Tylka, G.L. 1995. Management of soybean cyst nematode populations: current strategies and future alternatives. Proceedings of the Twenty-fourth Soybean Seed Research Conference 1994, pp. 13-19.
Updated 01/11/2006 - 11:25am