Publications

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Submitted
G. L. Tylka, “Distribution of the Soybean Cyst Nematode in Iowa: 1995-1996 versus 2007”, Submitted.
G. L. Tylka, “Management of nematode diseases [recurso electrónico]: options.”, Submitted.
G. L. Tylka, “Managing Soybean Cyst Nematode for Maximum Soybean Productivity”, 2008 Illinois Crop Protection Technology Conference, p. 7, Submitted.
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.
E. L. Davis and Tylka, G. L., “Symptoms and Signs”, Submitted.
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”, Submitted.
2014
M. T. McCarville, Soh, D. H., Tylka, G. L., and O’Neal, M. E., “Aboveground Feeding by Soybean Aphid, Aphis glycines, Affects Soybean Cyst Nematode, Heterodera glycines, Reproduction Belowground”, PloS one, vol. 9, no. 1, p. e86415, 2014.
G. L. Tylka, “Be Wary of High SCN Numbers in 2014”, 2014.
G. L. Tylka, “Hundreds of SCN-resistant Soybean Varieties Available for 2014”, 2014.
G. L. Tylka, “Trial Results Show Dual Benefits of SCN Resistance”, 2014.
2013
G. L. Tylka, McCarville, M. T., Marett, C. C., Gebhart, G. D., Soh, D. H., Mullaney, M. P., and O'Neal, M. E., “DIRECT COMPARISON OF SOYBEAN CYST NEMATODE REPRODUCTION ON RESISTANT SOYBEAN VARIETIES IN GREENHOUSE AND FIELD EXPERIMENTS”, JOURNAL OF NEMATOLOGY, vol. 45, no. 4. SOC NEMATOLOGISTS PO BOX 311, MARCELINE, MO 64658 USA, pp. 322-323, 2013.
G. L. Tylka, “Get the Latest Information on Performance of SCN-resistant Soybeans”, 2013.
G. L. Tylka, “SCN Females Already Seen on Soybean Roots”, 2013.
2012
G. L. Tylka, “2012 Season is Not a Good One to “Roll the Dice” with SCN”, 2012.
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.
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, “Fall Soil Sampling for SCN Can Pay Big Dividends in 2013”, 2012.
G. L. Tylka, “New Approach to Assessing Possible Nematode Damage to Corn”, 2012.
G. L. Tylka, “New Information and Videos on Website”, 2012.
G. L. Tylka, “Now is the Time to Look for SCN Females on Soybean Roots”, 2012.
G. L. Tylka, “of Soybean Cyst Nematode Field Guide Available”, 2012.
G. L. Tylka, “Possible Breakdown of SCN Resistance Topic of New Webcast”, 2012.
G. L. Tylka, “Soybean Cyst Nematode Reproduction High in 2012”, 2012.
G. L. Tylka, “Spring Sampling Not Recommended for Nematodes on Corn—Except for Sandy Fields”, 2012.
G. L. Tylka, “Stunted, Yellowing or Wilting Corn: Could Nematodes Be the Cause?”, 2012.
G. L. Tylka, “Symptoms of SCN Damage Apparent Early, Yield Loss Likely Great in 2012”, 2012.
G. L. Tylka, “There’s Still Time to Check Fields for SCN Before 2012 Crop”, 2012.
G. L. Tylka, “Variety Trial Results Show Differences in SCN Control Among Varieties”, 2012.
2011
G. L. Tylka, “A 10-Year Summary of Testing for Nematodes that Feed on Corn in Iowa”, 2011.
G. L. Tylka, “Comparing Nematode Management Products on Corn in Strip Trials”, 2011.
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, Gebhart, G. D., Marett, C. C., and Mullaney, M. P., “Evaluation of Soybean Varieties Resistant to Soybean Cyst Nematode”, 2011.
G. L. Tylka, “Fall Time to Sample for SCN—But Not for Nematodes That Feed on Corn”, 2011.
G. L. Tylka, “Know Your Choices: Hundreds of SCN-resistant Soybean Varieties For Iowa”, 2011.
2010
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.
2009
G. L. Tylka and Marett, C. C., “Comparing Yields of Soybean Varieties with Different Sources of SCN Resistance in Strip Trials”, 2009.
M. Studham, MacIntosh, G. C., Avendaño, F., Soh, D., and Tylka, G. L., “The soybean resistance gene Rag1 does not protect against soybean cyst and root-knot nematodes”, Plant Health Progress, no. April, 2009.
T. Niblack, Tylka, G. L., Arelli, P., Bond, J., Diers, B., Donald, P., Faghihi, J., Ferris, V. R., Gallo, K., and Heinz, R. D., “A standard greenhouse method for assessing soybean cyst nematode resistance in soybean: SCE08 (Standardized Cyst Evaluation 2008)”, Plant Health Progress doi, vol. 10, 2009.
2008
G. L. Tylka and Marett, C. C., “Comparing Yields and Nematode Control of Soybean Varieties with Different Sources of SCN Resistance in Strip Trials”, 2008.
D. V. Charlson, Harkins, K. R., and Tylka, G. L., “Relationship between juvenile hatching and acridine orange fluorescence of Heterodera glycines eggs”, Nematology, vol. 10, no. 5, pp. 603-610, 2008.
G. L. Tylka, “Soybean cyst nematode management field guide”, 2008.
2007
A. Robertson and Tylka, G. L., “Building the" Rust Fast Track System" for Identifying Asian Soybean Rust in Iowa”, Journal of Extension, vol. 45, no. 3, 2007.
V. Lawson, Tylka, G. L., Marett, C. C., and Gebhart, G. D., “SCN-Resistant Soybean Variety Trial”, 2007.
N. Rogovska, Blackmer, A. M., and Tylka, G. L., “Use of Remote Sensing to Study the Effects of Soil pH and Carbonate Content on Soybean Cyst Nematode Population Densities and Soybean Yield.”, 2007.
2006
V. A. da Costa, PEDERSEN, P. A. L. L. E., and Tylka, G. L., “Can Aldicarb be used to Manage SCN in Iowa?”, 2006.
V. Lawson, Tylka, G. L., Marett, C. C., and Gebhart, G. D., “Soybean cyst nematode resistant soybean trial”, 2006.
M. E. O’Neal, Avendaño, F., Tylka, G. L., Niblack, T., Gray, M., and Heeren, J., “Toward integrated management of the soybean cyst nematode and soybean aphid.”, The 2006 ESA Annual Meeting, December 10-13, 2006, 2006.
2005
R. G. Leon, Owen, M. D. K., Soh, D. H., and Tylka, G. L., “Absence of Interactive Responses of Early Soybean (Glycine max) Growth to Soybean Cyst Nematode (Heterodera glycines), Postemergence Herbicides, and Soil pH and Texture 1”, Weed technology, vol. 19, no. 4, pp. 847-854, 2005.
M. D. K. Owen, Soh, D. H., Tylka, G. L., and Leon, R. G., “Absence of Interactive Responses of Early Soybean (Glycine max) Growth to Soybean Cyst Nematode (Heterodera glycines), Postemergence Herbicides, and Soil pH and Texture”, Weed technology, vol. 19, no. 4, p. 3, 2005.

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