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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.
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.
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T. L. Niblack, Arelli, P. R., Noel, G. R., Opperman, C. H., Ore, J. H., Schmitt, D. P., Shannon, J. G., and Tylka, G. L., “Commentary-Letters to the Editor are invited for possible publication in the Journal of Nematology-A Revised Classification Scheme for Genetically Diverse Populations of Heterodera glycines.”, Journal of Nematology, vol. 34, no. 4, pp. 279-288, 2002.
P. Pedersen, Tylka, G. L., Mallarino, A., MacGuidwin, A. E., Koval, N. C., and Grau, C. R., “Correlation between Soil pH, Population Densities, and Soybean Yield”, Crop science, vol. 50, no. 4, pp. 1458-1464, 2010.
J. B. Fallick, Batchelor, W. D., Tylka, G. L., Niblack, T. L., and Paz, J. O., “Coupling soybean cyst nematode damage to CROPGRO-Soybean”, Transactions of the ASAE, vol. 45, no. 2, pp. 433-441, 2002.
G. L. Tylka, “Current status of the soybean cyst nematode as a threat to soybean production in the Midwest”, Proc. 18th Annual Integrated Crop Management Conf., Ames, IA, pp. 28-29, 2007.
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.
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J. M. Thompson and Tylka, G. L., “Differences in hatching of Heterodera glycines egg-mass and encysted eggs in vitro”, Journal of nematology, vol. 29, no. 3, p. 315, 1997.
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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, 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.
N. Tatalovic, Tylka, G. L., and Leandro, L. F., “Effect of watering regime and Fusarium virguliforme (Fv) infection on location of soybean cyst nematode (SCN) syncytia in soybean roots”, PHYTOPATHOLOGY, vol. 103, no. 6. AMER PHYTOPATHOLOGICAL SOC 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA, pp. 143-143, 2013.
D. I. Shapiro, Tylka, G. L., Berry, E. C., and Lewis, L. C., “Effects of Earthworms on the Dispersal of Steinernema spp.”, Journal of nematology, vol. 27, no. 1, p. 21, 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.
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.
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.
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. 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 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., and , “Evaluations of soybean genotypes for tolerance to soybean cyst nematode”, Phytopathology, vol. 86, p. 98, 1996.
A. J. A. Moreira, Marett, C. C., Jr, F. W. Nutter, and Tylka, G. L., “Extraction efficiency of cysts of soybean cyst nematode from soils”, PHYTOPATHOLOGY, vol. 94, no. 6. AMER PHYTOPATHOLOGICAL SOC 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA, pp. S73-S73, 2004.
B. M Da Silva and Tylka, G. L., “Extraction of Pratylenchus sp. and Hoplolaimus sp. from corn roots using two methods and two extraction solutions.”, PHYTOPATHOLOGY, vol. 102, no. 7. AMER PHYTOPATHOLOGICAL SOC 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA, pp. 9-9, 2012.
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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.
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G. M. Tabor, Tylka, G. L., and Bronson, C. R., “Genotype B of Cadophora gregata reduces quantity and quality of soybean yield”, Phytopathology, vol. 97, no. 7. AMER PHYTOPATHOLOGICAL SOC 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA, pp. S113-S113, 2007.
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.
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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, Bronson, C. R., and Tylka, G. L., “Heterodera glycines affects soybean infection by Cadophora gregata.”, JOURNAL OF NEMATOLOGY, vol. 38, no. 2. SOC NEMATOLOGISTS PO BOX 311, MARCELINE, MO 64658 USA, pp. 296-296, 2006.
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.
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., 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.
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J. Guan, Kaiser, M. S., Caragea, P. C., Tylka, G. L., and Jr, F. W. Nutter, “Improving the relationship between IKONOS satellite image intensity and soybean yield as affected by SCN using geostatistics”, PHYTOPATHOLOGY, vol. 95, no. 6. AMER PHYTOPATHOLOGICAL SOC 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA, pp. S162-S163, 2005.
L. K. Olson, Tylka, G. L., Jordhal, J., Meyer, S., Goltz, J., Kringler, J., Helms, T., and Markell, S., “Increasing awareness of soybean cyst nematode in North Dakota.”, PHYTOPATHOLOGY, vol. 103, no. 6. AMER PHYTOPATHOLOGICAL SOC 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA, pp. 107-108, 2013.
N. Tatalovic, Tylka, G. L., and Leandro, L. F., “Influence of watering on the dynamics of Heterodera glycines and Fusarium virguliforme interaction in soybean roots.”, PHYTOPATHOLOGY, vol. 102, no. 7. AMER PHYTOPATHOLOGICAL SOC 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA, pp. 118-118, 2012.
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.
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. 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.
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, Gebhart, G. D., and Marett, C. C., “Iowa 2005 soybean cyst nematode-resistant soybean variety trial results”, Crop Manage, 2003.
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G. L. Tylka, “MAXIMIZING EFFECTIVENESS OF EXTENSION EDUCATION EFFORTS”, JOURNAL OF NEMATOLOGY, vol. 42, no. 3. SOC NEMATOLOGISTS PO BOX 311, MARCELINE, MO 64658 USA, pp. 274-275, 2010.
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.
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.
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.
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.
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.
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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.
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.
G. L. Tylka, “Nematode-protectant seed treatments: New options for nematode management in row crops”, PHYTOPATHOLOGY, vol. 103, no. 6. AMER PHYTOPATHOLOGICAL SOC 3340 PILOT KNOB ROAD, ST PAUL, MN 55121 USA, pp. 174-174, 2013.
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.
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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.

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