Publications

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2001
J. R. Coats, Peterson, C. J., Tsao, R., Eggler, A. L., and Tylka, G. L., Biopesticides related to natural sources. Google Patents, 2001.
G. M. Tabor, Tylka, G. L., and Bronson, C. R., Heterodera glycines increases susceptibility of soybeans to Phialophora gregata, Phytopathology, vol. 91, p. S87, 2001.
G. M. Tabor, Tylka, G. L., and Bronson, C. R., Internal stem browning can be an unreliable indicator of colonization of soybean stems by Phialophora gregata, Abstr.) Phytopathology, vol. 91, p. S180, 2001.
J. O. Paz, Batchelor, W. D., and Tylka, G. L., Method to use crop growth models to estimate potential return for variable-rate management in soybeans, Transactions of the ASAE, vol. 44, no. 5, pp. 1335-1341, 2001.
J. O. Paz, Batchelor, W. D., Tylka, G. L., and Hartzler, R. G., A modeling approach to quantify the effects of spatial soybean yield limiting factors, Transactions of the ASAE, vol. 44, no. 5, pp. 1329-1334, 2001.
W. L. Gavassoni, Tylka, G. L., and Munkvold, G. P., Relationships between tillage and spatial patterns of Heterodera glycines, Phytopathology, vol. 91, no. 6, pp. 534-545, 2001.
N. Atibalentja, Noel, G. R., Donald, P. A., Melakeberhan, H., Anderson, T. R., Chen, S., Faghihi, J., Ferris, J. M., Grau, C. R., and Hershman, D. E., Soybean yield and Heterodera glycines population dynamics in the Midwestern US and Ontario, Canada, Journal of Nematology, vol. 32, p. 249, 2001.
2000
C. J. Peterson, Zhao, S. H., Tylka, G. L., and , Cyanohydrins as nematode hatch inhibitors and weed germination inhibitors., ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, vol. 220. AMER CHEMICAL SOC 1155 16TH ST, NW, WASHINGTON, DC 20036 USA, pp. U50-U50, 2000.
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.
L. D. Buckelew, Pedigo, L. P., Mero, H. M., Owen, M. D. K., and Tylka, G. L., Effects of weed management systems on canopy insects in herbicide-resistant soybeans, Journal of Economic Entomology, vol. 93, no. 5, pp. 1437-1443, 2000.
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.
G. A. Kraus, Jones, C. D., and Tylka, G. L., Synthesis of glycinoeclepin A analogs., ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, vol. 220. AMER CHEMICAL SOC 1155 16TH ST, NW, WASHINGTON, DC 20036 USA, pp. U62-U62, 2000.
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.
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.
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.
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.
G. L. Tylka and Flynn, P., Interpreting SCN soil sample results. Iowa State University, University Extension, 1999.
G. L. Tylka and Flynn, P., Interpreting SCN soil sample results/; prepared by Gregory L. Tylka and Paula Flynn., IPM 61, 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.
G. L. Tylka, SANORGO, С., and Souhrada, S. K., Relationships among soybean cyst nematode population densities, soybean yields and soil pH, Proceedings of the National Soybean Cyst Nematode Conference, Orlando, FL, USA, p. 25, 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, 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.
T. L. Niblack and Tylka, G. L., Soybean cyst nematode management guide, North Central Soybean Research Program. University of Missouri Printing Service. Columbia, MO, 1999.

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