Publications

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Book
A. E. Robertson, Mueller, D., and Tylka, G. Lee, Corn Diseases. Iowa State University, Extension and Outreach, 2008.
D. Mueller, Robertson, A., Sisson, A., and Tylka, G., Soybean Diseases. Iowa State University University Extension, 2010.
Conference Proceedings
G. L. Tylka, Hussey, R. S., and Roncadori, R. W., INTERACTION OF SOYBEAN AND HETERODERA GLYCINES AS AFFECTED BY VESICULAR-ARBUSCULAR MYCORRHIZAL FUNGI AND PHOSPHORUS FERTILITY, JOURNAL OF NEMATOLOGY, vol. 20, no. 4. SOC NEMATOLOGISTS 3012 SKYVIEW DRIVE, LAKELAND, FL 33801-7072, pp. 662-662, 1988.
Journal Article
G. L. Tylka, Hussey, R. S., and Roncadori, R. W., Axenic germination of vesicular-arbuscular mycorrhizal fungi: effects of selected Streptomyces species, Phytopathology, vol. 81, no. 7, pp. 754-759, 1991.
A. Robertson and Tylka, G. L., Building the" Rust Fast Track System" for Identifying Asian Soybean Rust in Iowa, Journal of Extension, vol. 45, no. 3, 2007.
D. A. Reynolds, Tylka, G. L., and Martinson, C. A., Effects of swine manure on soybean cyst nematode, Proceeding of National Soybean Cyst Nematode Conference, Orlando, FL, vol. 16, 1999.
P. A. Donald, Noel, G. R., Melakeberhan, H., Riggs, R. D., Atibalentja, N., Faghihi, J., Ferris, J., Tylka, G. L., Hershman, D. E., and Chen, S., Effects of tillage and row spacing on soybean yield and soybean cyst nematode reproduction, J. Nematol, vol. 32, p. 427, 2000.
K. A. KELLING, BINNING, L. K., ZHU, J., HALFORD, P. A. U. L. D., BARKER, A. N. T. H. O. N. Y. D., RUSSELL, M. I. C. H. A. E. L. D., GUBLER, W. D., POZDNYAKOVA, M. A. R. I. L. Y. N. G. H. U. G. H. E. S., RAHMAN, F. A. I. Z., and ROYLE, D. D., Further Use of Geostatistical Analysis, Journal of Nematology, vol. 34, no. 3, 2002.
K. A. KELLING, BINNING, L. K., ZHU, J., HALFORD, P. A. U. L. D., BARKER, A. N. T. H. O. N. Y. D., RUSSELL, M. I. C. H. A. E. L. D., GUBLER, W. D., POZDNYAKOVA, M. A. R. I. L. Y. N. G. H. U. G. H. E. S., RAHMAN, F. A. I. Z., and ROYLE, D. D., Further Use of Geostatistical Analysis, Journal of Nematology, vol. 34, no. 3, 2002.
K. A. KELLING, BINNING, L. K., ZHU, J., HALFORD, P. A. U. L. D., BARKER, A. N. T. H. O. N. Y. D., RUSSELL, M. I. C. H. A. E. L. D., GUBLER, W. D., POZDNYAKOVA, M. A. R. I. L. Y. N. G. H. U. G. H. E. S., RAHMAN, F. A. I. Z., and ROYLE, D. D., Further Use of Geostatistical Analysis, Journal of Nematology, vol. 34, no. 3, 2002.
O. Roberts, Leandro, L., Lenssen, A., Robertson, A., and Tylka, G., Good roots, Better Profits. Realize higher yields by managing soybean root health, Iowa, USA: Iowa Soybean Association, 2012.
O. Roberts, Leandro, L., Lenssen, A., Robertson, A., and Tylka, G., Good roots, Better Profits. Realize higher yields by managing soybean root health, Iowa, USA: Iowa Soybean Association, 2012.
G. L. Tylka, Hussey, R. S., and Roncadori, R. W., Interactions of vesicular-arbuscular mycorrhizal fungi, phosphorus, and Heterodera glycines on soybean, Journal of nematology, vol. 23, no. 1, p. 122, 1991.
T. L. Niblack, Tylka, G. L., and Riggs, R. D., Nematode pathogens of soybean, Soybeans: improvement, production, and uses, no. soybeansimprove, pp. 821-851, 2004.
G. M. Tabor, ,, Tylka, G. L., Roorda, R., and Bronson, C. R., A new greenhouse method to assay soybean resistance to brown stem rot, Plant disease, vol. 90, no. 9, pp. 1186-1194, 2006.
S. A. A. Rizvi, Yang, X. B., Tylka, G. L., and McGee, D. C., Occurrence of Pythium species isolated diseased soybean seedlings in Iowa soybean fields, Phytopathology, vol. 84, p. 1123, 1994.
N. Rogovska, Blackmer, A., and Tylka, G., Soil pH and Carbonates Effects on Soybean Cyst Nematode Population Densities., 2005.
J. L. Rotundo, Tylka, G. L., and Pedersen, P., Source of Resistance Affect Soybean Yield, Yield Components, and Biomass Accumulation in-Infested Fields, Crop science, vol. 50, no. 6, pp. 2565-2574, 2010.
N. P. Rogovska, Blackmer, A. M., and Tylka, G. L., Soybean yield and soybean cyst nematode densities related to soil pH, soil carbonate concentrations, and alkalinity stress index, Agronomy journal, vol. 101, no. 5, pp. 1019-1026, 2009.
G. Tylka and Robertson, A., Surveying Iowa for SCN, Integrated crop management, 2007.
F. W. Nutter Jr, Tylka, G. L., Guan, J., Moreira, A. J. D., Marett, C. C., Rosburg, T. R., Basart, J. P., and Chong, C. S., Symposium Papers-Application of GIS and GPS Precision Agriculture Technologies in Nematology and Plant Pathology Presented at the joint American Phytopathological Society, Society of Nematologists, Journal of Nematology, vol. 34, no. 3, pp. 222-231, 2002.
F. W. Nutter, Moreira, A. J. D., Tylka, G. L., Marett, C. C., Rosburg, T., Basart, J. P., and Chong, C. S., Use of Remote Sensing and GIS Technologies to Diagnose and Quantify Plant Stress in Soybean, Tenth Annual Iowa Space Grant Conference Proceedings, section IV-2, 2000.
F. W. Nutter Jr, Tylka, G. L., Guan, J., Moreira, A. J. D., Marett, C. C., Rosburg, T. R., Basart, J. P., and Chong, C. S., Use of remote sensing to detect plant stress caused by soybean cyst nematode, J. Nematol, vol. 34, pp. 222-231, 2002.
F. W. Nutter Jr, Tylka, G. L., Guan, J., Moreira, A. J. D., Marett, C. C., Rosburg, T. R., Basart, J. P., and Chong, C. S., Use of remote sensing to detect soybean cyst nematode-induced plant stress, Journal of nematology, vol. 34, no. 3, p. 222, 2002.
N. Rogovska, Blackmer, A. M., and Tylka, G. L., Use of Remote Sensing to Study the Effects of Soil pH and Carbonate Content on Soybean Cyst Nematode Population Densities and Soybean Yield., 2007.
J. Rotundo, Westgate, M., and Tylka, G., Variation in soybean yield and composition: association with soil properties and SCN., 2006.