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M. T. McCarville, Kanobe, C., O'Neal, M. E., MacIntosh, G. C., and Tylka, G. L., Effects of an insect–nematode–fungus pest complex on grain yield and composition of specialty low linolenic acid soybean, Crop Protection, vol. 42, pp. 210-216, 2012.
D. I. Shapiro, Tylka, G. L., and Lewis, L. C., Effects of fertilizers on virulence of< i> Steinernema carpocapsae, Applied Soil Ecology, vol. 3, no. 1, pp. 27-34, 1996.
G. L. Tylka, Da Silva, M. Batista, R Saeugling, A., and Marlay, S., Effects of Nematode-Protectant Seed Treatments on Corn Yields and Nematode Population Densities, 2011.
G. L. Tylka, Da Silva, M. Batista, and Pecinovsky, K. T., Effects of Seed Treatments and a Soil-applied Nematicide on Corn Yields and Nematode Population Densities, 2012.
G. L. Tylka and da Silva, M. Batista, Effects of Seed Treatments and a Soil-applied Nematicide on Iowa Corn Yields and Nematode Population Densities—2011, 2012.
G. L. Tylka, Gebhart, G. D., and Marett, C. C., Evaluation of Soybean Varieties Resistant to Soybean Cyst Nematode in Southeast Iowa in 2005, 2005.
G. L. Tylka, Gebhart, G. D., and Marett, C. C., Evaluation of soybean varieties resistant to soybean cyst nematode in Iowa, Iowa State University IPM Bulletin, vol. 52, 2002.
G. L. Tylka, Gebhart, G. D., Marett, C. C., and Mullaney, M. P., Evaluation of Soybean Varieties Resistant to Soybean Cyst Nematode in Iowa--2008. Iowa State University University Extension, 2010.
G. L. Tylka, Gebhart, G. D., Marett, C. C., and Mullaney, M. P., Evaluation of Soybean Varieties Resistant to Soybean Cyst Nematode, 2011.