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G
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.
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.
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G. A. Kraus, Louw, S. J. Vander, Tylka, G. L., and Soh, D. H., Synthesis and testing of compounds that inhibit soybean cyst nematode egg hatch, Journal of Agricultural and Food Chemistry, vol. 44, no. 6, pp. 1548-1550, 1996.
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.
G. A. Kraus, Johnston, B., Kongsjahju, A., and Tylka, G. L., Synthesis and evaluation of compounds that affect soybean cyst nematode egg hatch, Journal of Agricultural and Food Chemistry, vol. 42, no. 9, pp. 1839-1840, 1994.
M
D. Mueller, Robertson, A., Sisson, A., and Tylka, G., Soybean Diseases. Iowa State University University Extension, 2010.
G. P. Munkvold, Tylka, G. L., and Yang, X. B., Soybean: Disease-resistant Varieties for Iowa. Iowa State University, University Extension, 1996.
P
P. Pedersen and Tylka, G., Soybean cyst nematode and nematicide affect growth pattern of various soybean varieties in Iowa., JOURNAL OF NEMATOLOGY, vol. 39, no. 1. SOC NEMATOLOGISTS PO BOX 311, MARCELINE, MO 64658 USA, pp. 98-98, 2007.
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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. Tylka, Soil Sample Results Can Reveal if SCN Management is Working, Integrated crop management news, 2008.
G. L. Tylka, SCN Females Already Seen on Soybean Roots, 2013.
G. L. Tylka, Soybean cyst nematoderesistant varieties for Iowa, Iowa State University, Ext. Publ. Pm-1649, vol. 1649, pp. 1-26, 2002.
G. Tylka, Spring Sampling Not Recommended for Most Corn Nematodes, Integrated crop management, 2007.
G. Tylka and Robertson, A., Surveying Iowa for SCN, Integrated crop management, 2007.
G. L. Tylka, Spring Sampling Not Recommended for Nematodes on Corn—Except for Sandy Fields, 2012.
G. Tylka, Soybean cyst nematode: Still a major threat to soybean production, Integrated crop management, 2007.
G. Tylka, Sample now for most corn nematodes, Integrated Crop Management, 2007.
G. Tylka, Soybean cyst nematode confirmed in Ida County in 2008, Integrated crop management news, 2008.
G. L. Tylka, Stunted, Yellowing or Wilting Corn: Could Nematodes Be the Cause?, 2012.
G. Lee Tylka and Mullaney, M. P., Soybean cyst nematode-resistant soybean varieties for Iowa. Iowa State University, University Extension, 2002.
G. Tylka, Spring Sampling OK for Two Corn Nematode Species, Integrated crop management news, 2008.
G. L. Tylka, Todd, T. C., Niblack, T. L., MacGuidwin, A. E., and Jackson, T., Sampling for Plant-parasitic Nematodes in Corn Strip Trials Comparing Nematode Management Products, Submitted.
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.
G. Tylka, SCN-resistant soybean varieties: Not all are created equal, Integrated crop management, 2007.
G. L. Tylka, Soybean cyst nematode management field guide, 2008.
G. Tylka, Soybean Cyst Nematode Females now Apparent on Soybean Roots, Integrated crop management news, 2008.
G. L. Tylka, Symptoms of SCN Damage Apparent Early, Yield Loss Likely Great in 2012, 2012.
G. Tylka, SCN Confirmed for First Time in Lyon County, Integrated crop management news, 2008.
G. L. Tylka and Wisner, R. N., Soybean rust and the food processing industry, Food technology, vol. 59, no. 6, 2005.
G. Tylka, SCN females on roots signal infestations and possibly ineffectiveness of resistance, Integrated crop management, 2007.
G. L. Tylka, Soybean Cyst Nematode Reproduction High in 2012, 2012.
G. Tylka, Sample fields this fall for SCN to figure out 2007 or plan for 2008, Integrated crop management, 2007.
G. Tylka, Soybean cyst nematode, Iowa State University. Cooperative Extension Service (USA), 1994.

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