Publications

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Journal Article
J. Rotundo, Westgate, M., and Tylka, G., Variation in soybean yield and composition: association with soil properties and SCN., 2006.
G. L. Tylka and Wisner, R. N., Soybean rust and the food processing industry, Food technology, vol. 59, no. 6, 2005.
J. Wang, Donald, P. A., Niblack, T. L., Bird, G. W., Faghihi, J., Ferris, J. M., Grau, C., Jardine, D. J., Lipps, P. E., and MacGuidwin, A. E., Soybean cyst nematode reproduction in the north central United States, Plant Disease, vol. 84, no. 1, pp. 77-82, 2000.
J. Wang, Niblack, T. L., Tremain, J. A., Wiebold, W. J., Tylka, G. L., Marett, C. C., Noel, G. R., Myers, O., and Schmidt, M. E., Soybean cyst nematode reduces soybean yield without causing obvious aboveground symptoms, Plant Disease, vol. 87, no. 6, pp. 623-628, 2003.
J. Wang, Niblack, T. L., Tremain, J. A., Wiebold, W. J., Tylka, G. L., Marett, C. C., Noel, G. R., Myers, O., and Schmidt, M. E., Soybean cyst nematode reduces soybean yield without causing obvious aboveground symptoms, Plant Disease, vol. 87, no. 6, pp. 623-628, 2003.
F. Workneh, Yang, X. B., and Tylka, G. L., Soybean brown stem rot, Phytophthora sojae, and Heterodera glycines affected by soil texture and tillage relations, Phytopathology, vol. 89, no. 10, pp. 844-850, 1999.
F. Workneh, Yang, X. B., and Tylka, G. L., Soybean brown stem rot, Phytophthora sojae, and Heterodera glycines, pp. 844-850, 1999.
F. Workneh, Tylka, G. L., Yang, X. B., Faghihi, J., and Ferris, J. M., Regional assessment of soybean brown stem rot, Phytophthora sojae, and Heterodera glycines using area-frame sampling: Prevalence and effects of tillage, Phytopathology, vol. 89, no. 3, pp. 204-211, 1999.
P. W. Jones, Tylka, G. L., PERRY, R., Perry, R. N., and Wright, D. J., The physiology and biochemistry of free-living and plant-parasitic nematodes, The physiology and biochemistry of free-living and plant-parasitic nematodes, 1998.
T. Weis, Tylka, G., Hartzler, B., and Heuchelin, S., Inter-Cropping Soybean into Corn (Maize) to Reduce Soybean Cyst Nematode (SCN) Egg Density in a CS Rotation, 2003.
P. W. Jones, Tylka, G. L., Perry, R. N., and Wright, D. J., Hatching., The physiology and biochemistry of free-living and plant-parasitic nematodes., pp. 181-212, 1998.
G. L. Tylka, Niblack, T. L., Walk, T. C., Harkins, K. R., Barnett, L., and Baker, N. K., Flow cytometric analysis and sorting of Heterodera glycines eggs, Journal of nematology, vol. 25, no. 4, p. 596, 1993.
A. T. S. Wong and Tylka, G. L., Eight nonhost weed species of Heterodera glycines in Iowa, Plant disease, vol. 78, no. 4, pp. 365-367, 1994.
J. E. Behm, Tylka, G. L., Niblack, T. L., Wiebold, W. J., and Donald, P. A., Effects of zinc fertilization of corn on hatching of Heterodera glycines in soil, Journal of nematology, vol. 27, no. 2, p. 164, 1995.
A. T. S. Wong, Tylka, G. L., and Hartzler, R. G., Effects of eight herbicides on in vitro hatching of Heterodera glycines, Journal of nematology, vol. 25, no. 4, p. 578, 1993.
F. Workneh, Yang, X. B., and Tylka, G. L., Effect of tillage practices on vertical distribution of Phytophthora sojae, Plant disease, vol. 82, no. 11, pp. 1258-1263, 1998.
F. Workneh, Tylka, G. L., Yang, X. B., Faghihi, J., and Ferris, J. M., ECOLOGY AND POPULATION BIOLOGY-Regional Assessment of Soybean Brown Stem Rot, Phytophthora sojae, and Heterodera glycines Using Area-Frame Sampling: Prevalence and Effects of Tillage, Phytopathology, vol. 89, no. 3, pp. 204-211, 1999.
F. Workneh, Tylka, G. L., Yang, X. B., Faghihi, J., and Ferris, J. M., Assessment of soybean brown stem rot, Phytophthora sojae, and Heterodera glycines in the north central United States using area-frame sampling: prevalence and effects of tillage, Phytopathology, vol. 89, pp. 204-211, 1999.
Conference Proceedings
S. N. Wiggs and Tylka, G. L., The nature of the relationship between Soybean Cyst Nematode population densities and soil pH, PHYTOPATHOLOGY, vol. 101, no. 6. AMER PHYTOPATHOLOGICAL SOC 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA, pp. S191-S191, 2011.