Publications

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Journal Article
G. L. Tylka, Yield losses of Heterodera glycines-resistant soybean cultivars in Iowa in 1996, J. Nematol, vol. 29, p. 610, 1997.
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.
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, 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.
G. L. Tylka, Sisson, A. J., Jesse, L. C., Kennicker, J., and Marett, C. C., Testing for Plant-parasitic Nematodes that Feed on Corn in Iowa 2000–2010. Online, Plant Health Progres, 2011.
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.
W. L. Gavassoni, Munkvold, G. P., and Tylka, G. L., Spatial dependence of soybean cyst nematode and egg populations, Phytopathology, vol. 86, p. S86, 1996.
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.
J. A. Browde, Pedigo, L. P., Owen, M. D. K., and Tylka, G. L., Soybean yield and pest management as influenced by nematodes, herbicides, and defoliating insects, Agronomy journal, vol. 86, no. 4, pp. 601-608, 1994.
G. M. Tabor, Tylka, G. L., and Bronson, C. R., Soybean stem colonization by genotypes A and B of Cadophora gregata increases with increasing population densities of Heterodera glycines, Plant disease, vol. 90, no. 10, pp. 1297-1301, 2006.
G. L. Tylka, Soybean cyst nematoderesistant varieties for Iowa, Iowa State University, Ext. Publ. Pm-1649, vol. 1649, pp. 1-26, 2002.
G. L. Tylka, Soybean cyst nematode-resistant soybean varieties for Iowa. PM 1649. Iowa State Univ, Ext. Serv., Ames. Soybean cyst nematode-resistant soybean varieties for Iowa. PM, vol. 1649, Submitted.
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.
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.
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.
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.
C. Grau, Kurtzweil, N., and Tylka, G. L., Soil pH influences soybean disease potential, The yield II project: Research-based soybean management information. Iowa Soybean Rev, no. 14, 2003.
T. L. Niblack, Arelli, P. R., Noel, G. R., Opperman, C. H., Orf, J. H., Schmitt, D. P., Shannon, J. G., and Tylka, G. L., A revised classification scheme for genetically diverse populations of Heterodera glycines, Journal of nematology, vol. 34, no. 4, p. 279, 2002.
J. A. Browde, Tylka, G. L., Pedigo, L. P., and Owen, M. D. K., Responses of Heterodera glycines populations to a postemergence herbicide mixture and simulated insect defoliation, Journal of nematology, vol. 26, no. 4, p. 498, 1994.
G. M. Tabor, Tylka, G. L., Cianzio, S. C., and Bronson, C. R., Resistance to Phialophora gregata is expressed in the stems of resistant soybeans, Plant disease, vol. 87, no. 8, pp. 970-976, 2003.
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.
G. L. Tylka, Sanogo, C., and Souhrada, S. K., Relationships among Heterodera glycines population densities, soybean yields, and soil pH, J. Nematol, vol. 30, pp. 519-520, 1998.
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.
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.
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.
M. T. McCarville, O’Neal, M., Tylka, G. L., Kanobe, C., and MacIntosh, G. C., A nematode, fungus, and aphid interact via a shared host plant: implications for soybean management, Entomologia Experimentalis et Applicata, vol. 143, no. 1, pp. 55-66, 2012.
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.
T. L. Niblack, Lambert, K. N., and Tylka, G. L., A model plant pathogen from the kingdom animalia: Heterodera glycines, the soybean cyst nematode, Annu. Rev. Phytopathol., vol. 44, pp. 283-303, 2006.
N. Tatalovic, Tylka, G. L., and Leandro, L. F., Microscopic observation of the interaction between the soybean sudden death syndrome pathogen and soybean cyst nematode, in soybean roots, Phytopathology, vol. 101, no. 6, p. S175, 2011.
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. A. Browde, Tylka, G. L., Pedigo, L. P., and Owen, M. D. K., A method for infesting small field plots with soybean cyst nematode, Agronomy Journal, vol. 86, no. 3, pp. 585-587, 1994.
G. L. Tylka, Gebhart, G. D., and Marett, C. C., Iowa 2005 soybean cyst nematode-resistant soybean variety trial results, Crop Manage, 2003.
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.
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.
D. M Arias, Tylka, G. L., Leandro, L., and Munkvold, G., Interactions between Fusarium root rot pathogens and Heterodera glycines, on soybean roots, Phytopathology, vol. 101, p. S42, 2011.
G. M. Tabor, Tylka, G. L., Behm, J. E., and Bronson, C. R., Heterodera glycines infection increases incidence and severity of brown stem rot in both resistant and susceptible soybean, Plant disease, vol. 87, no. 6, pp. 655-661, 2003.
J. E. Behm and Tylka, G. L., HETERODERA GLYCINES INFECTION INCREASES INCIDENCE AND SEVERITY OF BROWN STEM ROT OF SOYBEAN', Soybean tolerance to soybean cyst nematode (Heterodera glycines Ichinohe), and interactions between H glycines and Phialophora gregata, the causal agent of brown stem rot of soybean, p. 93, Submitted.
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.
D. V. Charlson and Tylka, G. L., Heterodera glycines cyst components and surface disinfestants affect H. glycines hatching, Journal of nematology, vol. 35, no. 4, p. 458, 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. M. Tabor, Tylka, G. L., and Bronson, C. R., Genotypes A and B of Cadophora gregata differ in ability to colonize susceptible soybean, Plant disease, vol. 91, no. 5, pp. 574-580, 2007.
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.
J. E. Behm, Tylka, G. L., and , Evaluations of soybean genotypes for tolerance to soybean cyst nematode, Phytopathology, vol. 86, p. 98, 1996.
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.
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.
W. L. Gavassoni, Tylka, G. L., and Munkvold, G. P., Effects of tillage practices on dissemination and spatial patterns of Heterodera glycines and soybean yield, Plant disease, vol. 91, no. 8, pp. 973-978, 2007.
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.

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