Publications

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Book
D. Mueller, Robertson, A., Sisson, A., and Tylka, G., Soybean Diseases. Iowa State University University Extension, 2010.
Journal Article
G. Tylka, Be Careful with Susceptible Soybean Variety in Rotation to Manage SCN, Integrated crop management news, 2008.
G. Tylka, Check Fields for Soybean Cyst Nematode, Integrated crop management news, 2008.
G. Tylka, Check SCN Resistant Soybean Roots for SCN Females, Integrated crop management news, 2009.
G. Tylka, Common corn nematode characteristics, Integrated crop management news, 2009.
G. Tylka, Corn Nematodes and Soybean Cyst Nematode: Similar But Very Different, Integrated crop management news, 2010.
V. Costa, PEDERSEN, P. A. L. L. E., and Tylka, G., Effect of Soil pH on Performance of Soybean Cyst Nematode Resistant Varieties., 2005.
G. Tylka and Marett, C., Effects of N-Hibit Seed Treatment on Soybean Yields–2008 Iowa Research, Integrated crop management news, 2008.
G. Tylka, Fall Is Great Time to Sample For SCN, But Not Corn Nematodes, Integrated crop management news, 2009.
G. Tylka, Fall is Ideal Time to Check for Presence of SCN, Integrated crop management news, 2008.
T. Weis, Tylka, G., Hartzler, B., and Heuchelin, S., Inter-Cropping Soybean into Corn (Maize) to Reduce Soybean Cyst Nematode (SCN) Egg Density in a CS Rotation, 2003.
G. Tylka, It is Time to Sample for Corn Nematodes, Integrated crop management news, 2009.
G. Tylka, Now is the Time to Sample for Corn Nematodes, Integrated crop management news, 2008.
G. Tylka, Quick facts About Corn Nematodes, Integrated crop management news, 2009.
G. Tylka, Sample now for most corn nematodes, Integrated Crop Management, 2007.
G. Tylka, SCN Confirmed for First Time in Lyon County, Integrated crop management news, 2008.
N. Rogovska, Blackmer, A., and Tylka, G., Soil pH and Carbonates Effects on Soybean Cyst Nematode Population Densities., 2005.
G. Tylka, Soil Sample Results Can Reveal if SCN Management is Working, Integrated crop management news, 2008.
G. Tylka, Soybean cyst nematode, Iowa State University. Cooperative Extension Service (USA), 1994.
G. Tylka, Soybean cyst nematode confirmed in Ida County in 2008, Integrated crop management news, 2008.
G. Tylka, Soybean Cyst Nematode Females now Apparent on Soybean Roots, Integrated crop management news, 2008.
G. Tylka, Spring Sampling Not Recommended for Most Corn Nematodes, Integrated crop management, 2007.
G. Tylka, Spring Sampling OK for Two Corn Nematode Species, Integrated crop management news, 2008.
J. Rotundo, Westgate, M., and Tylka, G., Variation in soybean yield and composition: association with soil properties and SCN., 2006.
G. Tylka, Winter Annual Weeds and SCN–Is There Cause for Concern, Integrated crop management news, 2008.