Paul D. Esker, Ph.D.

Paul D. Esker, Ph.D.

  • Assistant Professor of Epidemiology and Field Crop Pathology
219 Buckhout Lab (office)
206A Buckhout Lab (lab)

University Park, PA 16802

Areas of Expertise

  • Integrated management of field crop diseases
  • Plant disease epidemiology
  • Statistical methods for the agricultural sciences

Education

  • B.S. Genetics and Bacteriology, University of Wisconsin
  • M.S. Plant Pathology, Iowa State University
  • Ph.D. Plant Pathology and Statistics, Iowa State University

Selected Publications

Esker, P., et al. (2018). "Perceptions of Midwestern Crop Advisors and Growers on Foliar Fungicide Adoption and Use in Maize." Phytopathology.

Barboza, N., M. Blanco-Meneses, P. Esker, E. Moriones, A.K. Inoue-Nagata. 2017. Distribution and diversity of begomoviruses in tomato and sweet pepper plants in Costa Rica. Ann Appl Biol. doi:10.1111/aab.12398

Savary, S., A. Djurle, J. Yuen, A. Ficke, V. Rossi, P.D. Esker, J.M.C. Fernandes, E.M. Del Ponte, J. Kumar, L.V. Madden, P. Paul, N. McRoberts, P.K. Singh, L. Huber, C.P. de Vallavielle, S. Saint-Jean, L. Willocquet. 2017. A white paper on global wheat health based on scenario development and analysis. Phytopathology 107:1109-1122.

Nelson, A., S. Savary, L. Willocquet, S.J. Petrybridge, A. Mila, P. Esker, and N. McRoberts. 2017. Crop pests: Crop-health survey aims to fill data gaps. Nature 541:464 (Correspondence, doi:10.1038/541464a).

Esker, P. 2016. Anthracnose stalk rot, Section 6.1 in: A Farmer’s Guide to Corn Diseases, K. Wise, D. Mueller, A. Sisson, D. Smith, C. Bradley and A. Robertson (eds). APS Press, St. Paul, MN.

Esker, P. 2016. Anthracnose leaf blight, Section 4.1 in: A Farmer’s Guide to Corn Diseases, K. Wise, D. Mueller, A. Sisson, D. Smith, C. Bradley and A. Robertson (eds). APS Press, St. Paul, MN.

Garrett, K.A., M. Nita, E.D. DeWolf, P.D. Esker, L. Gomez-Montano, and A.H. Sparks. 2016. Plant pathogens as indicators of climate change. pages 325-338 in: Climate Change: Observed Impacts on Planet Earth, 2nd Ed. T.M. Letcher (ed). Elsevier, Amsterdam.

Mallowa, S.O., E.J. Braun, A.E. Robertson, and P.D. Esker. 2016. Fungicides on our field corn - A case study on foliar fungicide use decisions in the US Corn Belt. The Plant Health Instructor DOI: 10.1094/PHI-T-2016-0607-01.

Madden, L.V., D.A. Shah, and P.D. Esker. 2015. Does the P value have a future in plant pathology? Phytopathology 105:1400-1407.

Willyerd, K., C. Bradley, V. Chapra, S. Conley, P. Esker, L. Madden, K. Wise, and P. Paul. 2015. Revisiting fungicide-based management guidelines for leaf blotch diseases in soft red winter wheat. Plant Disease 99:1434-1444.

Mallowa, S.O., P.D. Esker, P. Paul, C. Bradley, S. Conley, and A. Robertson. 2015. Effect of maize hybrid and foliar fungicides on yield under low foliar disease severity conditions. Phytopathology 105:1080-1089.

Marburger, D., S. Conley, P. Esker, J. Lauer, and J.-M. Ané. 2015. Yield response to crop/genotype rotations and fungicide use to manage Fusarium-related diseases. Crop Science 55:889-898.

Murillo-Williams, A., P. Esker, T. Allen, C. Stone, and R. Frederick. 2015. First report of Phakopsora pachyrhizi causing soybean rust in Costa Rica. Plant Disease 99:418.

Marburger, D., V. Muthusubramanian, S. Conley, P. Esker, J. Lauer, and J.-M. Ané. 2015. Crop rotation and management effect on Fusarium graminearum, F. oxysporum, and F. virguliforme populations. Crop Science 55:1-12.

Weidenbenner, N.H., S.C. Rowntree, E.W. Wilson, J.J. Suhre, S.P. Conley, S.N. Casteel, V.M. Davis, B.W. Diers, P.D. Esker, J.E. Specht, and S.L. Naeve. 2014. Fungicide management does not affect the rate of genetic gain in soybean. Agronomy Journal 106:2043-2054.

Mourtzinis, S., S.C. Rowntree, J.J. Suhre, N.H. Weidenbenner, E.W. Wilson, V.M. Davis, S.L. Naeve, S.N. Casteel, B.W. Diers, P.D. Esker, J.E. Specht, and S.P. Conley. 2014. The use of reflectance data for in-season soybean yield prediction. Agronomy Journal 106:1159-1168.

Marburger, D., S. Conley, P. Esker, A. MacGuidwin, and D. Smith. 2014. Relationship between Fusarium virguliforme and Heterodera glycines in commercial soybean (fields in Wisconsin. Plant Health Progress doi:10.1094/PHP-RS-13-0107.

Esker, P.D., S. Savary, and N. McRoberts. 2012. Crop loss analysis and global food supply: focusing now on required harvests. CAB Reviews 7, No. 052.

Peltier, A., C. Bradley, M. Chilvers, D. Malvick, D. Mueller, K. Wise, and P. Esker. 2012. Sclerotinia stem rot of soybean: Biology and control. Journal of Integrated Pest Management 3(2), DOI:http://dx.doi.org/10.1603/IPM11033.

Esker, P.D., and Conley, S.P. 2012. Probability of yield response and breaking-even for soybean seed treatments. Crop Science 52: 351-359.

Swoboda, C.M., P. Pedersen, P.D. Esker, and G. Munkvold. 2011. Soybean yield response to plant distribution in Fusarium virguliforme infested soils. Agronomy Journal 103:1712-1716.

Conley, S. P., P. Pedersen, P. Esker, and J. Gaska. 2011. Soybean yield and Heterodera glycines response to rotation, tillage and source of genetic resistance. Agronomy Journal 103:1604-1609.

Lackermann, K. V., and P. D. Esker. 2011. Application of a rank-based method for improved cultivar selection in soft red winter wheat. Plant Disease 95:1407-1413.

Lackermann, K. V., Conley, S. P., Gaska, J. M., Martinka, M. J., and Esker, P. D. 2011. Effect of location, cultivar and disease severity on grain yield of soft red winter wheat in Wisconsin. Plant Disease 95:1401-1406.

Jirak, J. C., and P. D. Esker. 2011. Tillage, crop rotation, and hybrid effects on residue and corn anthracnose occurrence in Wisconsin. Plant Disease 95:601-610.

Li, X., P. Esker, Z. Pan, A. P. Dias, L. Xue, and X. B. Yang. 2010. Uniqueness of soybean rust pathosystem: improved understanding of the risk in different regions of the world. Plant Disease 84: 796-806.

Publications

Sowing uncertainty: What we do and don't know about the planting of pesticide-treated seed
BioScience, Smith, D., Code, A., Wechsler, S., Hitaj, C., Esker, Paul, Douglas, M., 2020

Modeling the relationship between estimated fungicide use and disease-associated yield losses of soybean in the United States I: Foliar fungicides vs. foliar diseases
PLOS ONE, Bandara, A., Weerasooriya, D., Conley, S., Bradley, C., Allen, T., Esker, Paul, 2020

Dissecting the economic impact of soybean diseases in the United States over two decades
PLOS ONE, Bandara, A., Weerasooriya, D., Bradley, C., Allen, T., Esker, P., 2020

Neonicotinoid seed treatments of soybean provide negligible benefits to US farmers
Scientific reports, Mourtzinis, Spyridon, Krupke, Christian H., Esker, Paul D., Varenhorst, Adam, Arneson, Nicholas J., Bradley, Carl A., Byrne, Adam M., Chilvers, Martin I., Giesler, Loren J., Herbert, Ames, Kandel, Yuba R., Kazula, Maciej J., Hunt, Catherine, Lindsey, Laura E., Malone, Sean, Mueller, Daren S., Naeve, Seth, Nafziger, Emerson, Reisig, Dominic D., Ross, William J., Rossman, Devon R., Taylor, Sally, Conley, Shawn P., 2019

Manipulating Wild and Tamed Phytobiomes: Challenges and Opportunities
Phytobiomes Journal, Bell, Terrence H, Hockett, Kevin, Alcalá-Briseño, Ricardo Ivan, Barbercheck, Mary, Beattie, Gwyn A, Bruns, Mary Ann, Carlson, John, Chung, Taejung, Collins, Alyssa, Emmett, Bryan, Esker, Paul, Garrett, karen, Glenna, Leland, Gugino, Beth K., Jimenez Gasco, Maria del Mar, Kinkel, Linda, Kovac, Jasna, Kowalski, Kurt, Kuldau, Gretchen, Leveau, Johan, Michalska-Smith, Matthew, Myrick, Jessica, Peter, Kari, Salazar, Maria Vivanco, Shade, Ashley, Stopnisek, Nejc, Tan, Xiaoqing, Welty, Amy, Wickings, Kyle, Yergeau, Etienne, 2019

The global burden of pathogens and pests on major food crops
Nature Ecology and Evolution, Savary, Serge, Willocquet, Laetitia, Pethybridge, Sarah Jane, Esker, Paul, McRoberts, Neil, Nelson, Andy, 2019

Genetic diversity and geographic distribution of Bemisia tabaci and Trialeurodes vaporariorum in Costa Rica
Annals of Applied Biology, Barboza, Natalia M., Esker, Paul, Inoue-Nagata, Alice K., Moriones, Enrique, 2019

Effects of Pre- and Postanthesis Applications of Demethylation Inhibitor Fungicides on Fusarium Head Blight and Deoxynivalenol in Spring and Winter Wheat
Plant disease, Paul, Pierce A., Bradley, Carl A., Madden, Laurence V., Dalla Lana, Felipe, Bergstrom, Gary C., Dill-Macky, Ruth, Wise, Kiersten A., Esker, Paul D., McMullen, Marcia, Grybauskas, Arvydas, Kirk, William W., Milus, Eugene, Ruden, Kay, 2018

Meta-Analysis of the Effects of QoI and DMI Fungicide Combinations on Fusarium Head Blight and Deoxynivalenol in Wheat
Plant disease, Paul, P. A., Bradley, C. A., Madden, L. V., Lana, F. Dalla, Bergstrom, G. C., Dill-Macky, R., Esker, P. D., Wise, K. A., McMullen, M., Grybauskas, A., Kirk, W. W., Milus, E., Ruden, K., 2018

Concepts, approaches, and avenues for modelling crop health and crop losses
European Journal of Agronomy, Savary, Serge, Nelson, Andrew D., Djurle, Annika, Esker, Paul, Sparks, Adam, Amorim, Lilian, Bergamin Filho, Armando, Caffi, Tito, Castilla, Nancy, Garrett, Karen, McRoberts, Neil, Rossi, Vittorio, Yuen, Jonathan, Willocquet, Laetitia, 2018

Perceptions of midwestern crop advisors and growers on foliar fungicide adoption and use in maize
PHYTOPATHOLOGY, Esker, P. D., Shah, D. A., Bradley, C. A., Conley, S. P., Paul, P. A., Robertson, A. E., 2018

Distribution and diversity of begomoviruses in tomato and sweet pepper plants in Costa Rica
Annals of Applied Biology, Barboza, N., Blanco-Meneses, M., Esker, P., Moriones, E., Inoue-Nagata, A. K., 2018

Statistical power in plant pathology research
PHYTOPATHOLOGY, Gent, David H., Esker, Paul D., Kriss, Alissa B., 2018

A white paper on global wheat health based on scenario development and analysis
PHYTOPATHOLOGY, Savary, S., Djurle, A., Yuen, J., Ficke, A., Rossi, V., Esker, P. D., Fernandes, J. M.C., Del Ponte, E. M., Kumar, J., Madden, L. V., Paul, P., McRoberts, N., Singh, P. K., Huber, L., Pope de Vallavielle, C., Saint-Jean, S., Willocquet, L., 2017

Crop health and its global impacts on the components of food security
Food Security, Savary, S., Bregaglio, S., Willocquet, L., Gustafson, D., Mason D’Croz, D., Sparks, A., Castilla, N., Djurle, A., Allinne, C., Sharma, Mamta, Rossi, V., Amorim, L., Bergamin, A., Yuen, J., Esker, P., McRoberts, Neil, Avelino, J., Duveiller, E., Koo, J., Garrett, K., 2017

Oomycete species associated with soybean seedlings in North America - Part II: Diversity and ecology in relation to environmental and edaphic factors
Phytopathology, Rojas, J. Alejandro, Jacobs, Janette L., Napieralski, Stephanie, Karaj, Behirda, Bradley, Carl A., Chase, Thomas, Esker, Paul D., Giesler, Loren J., Jardine, Doug J., Malvick, Dean K., Markell, Samuel G., Nelson, Berlin D., Robertson, Alison E., Rupe, John C., Smith, Damon L., Sweets, Laura E., Tenuta, Albert U., Wise, Kiersten A., Chilvers, Martin I., 2017

Oomycete species associated with soybean seedlings in North America - Part I: Identification and pathogenicity characterization
Phytopathology, Rojas, J. Alejandro, Jacobs, Janette L., Napieralski, Stephanie, Karaj, Behirda, Bradley, Carl A., Chase, Thomas, Esker, Paul D., Giesler, Loren J., Jardine, Doug J., Malvick, Dean K., Markell, Samuel G., Nelson, Berlin D., Robertson, Alison E., Rupe, John C., Smith, Damon L., Sweets, Laura E., Tenuta, Albert U., Wise, Kiersten A., Chilvers, Martin I., 2017

Crop-health survey aims to fill data gaps
Nature, Nelson, Andy, Savary, Serge, Willocquet, Laetitia, Pethybridge, Sarah, Mila, Asimina, Esker, Paul, McRoberts, Neil, 2017

Concepts, approaches, and avenues for modelling crop health and crop losses
FACCE MACSUR Reports, Savary, Serge, Nelson, Andrew, Djurle, Annika, Esker, Paul, Sparks, Adam, Amorim, Lilian, Bergamin Filho, Armando, Caffi, Tito, Castilla, Nancy, Garrett, Karen, others, None, 2017

Production situations as drivers of crop health: evidence and implications
Plant Pathology, Savary, Serge, Mcroberts, Neil, Esker, Paul, Willocquet, L, Teng, Paul, 2017

Soybean yield loss estimates due to diseases in the United States and Ontario, Canada, from 2010 to 2014
Plant Health Progress, Allen, Tom W., Bradley, Carl A., Sisson, Adam J., Byamukama, Emmanuel, Chilvers, Martin I., Coker, Cliff M., Collins, Alyssa Anne, Damicone, John P., Dorrance, Anne E., Dufault, Nicholas S., Esker, Paul, Faske, Travis R., Giesler, Loren J., Grybauskas, Arvydas P., Hershman, Donald E., Hollier, Clayton A., Isakeit, Tom, Jardine, Douglas J., Kelly, Heather M., Kemerait, Robert C., Kleczewski, Nathan M., Koenning, Steve R., Kurle, James E., Malvick, Dean K., Markell, Samuel G., Mehl, Hillary L., Mueller, Daren S., Mueller, John D., Mulrooney, Robert P., Nelson, Berlin D., Newman, Melvin A., Osborne, Larry, Overstreet, Charles, Padgett, Guy B., Phipps, Patrick M., Price, Paul P., Sikora, Edward J., Smith, Damon L., Spurlock, Terry N., Tande, Connie A., Tenuta, Albert U., A.Wise, Kiersten, Allen Wrather, J., 2017

Fungicides on our field corn - A case study on foliar fungicide use decisions in the U.S. Corn Belt
The Plant Health Instructor, Mallowa, Sally, Braun, Edward, Robertson, Alison, Esker, Paul, 2016

Desarrollo de una escala de severidad de Pyricularia en arroz mediante análisis de imágenes.
, Turcios, Marcela, Esker, Paul, Arrieta Espinoza, Griselda, Barboza Barquero, Luis, 2016

Does the P value have a future in plant pathology?
PHYTOPATHOLOGY, Madden, L. V., Shah, D. A., Esker, Paul, 2015

Revisiting fungicide-based management guidelines for leaf blotch diseases in soft red winter wheat
Plant disease, Willyerd, K. T., Bradley, C. A., Chapara, V., Conley, S. P., Esker, Paul, Madden, L. V., Wise, K. A., Paul, P. A., 2015

Effect of maize hybrid and foliar fungicides on yield under low foliar disease severity conditions
PHYTOPATHOLOGY, Mallowa, Sally O., Esker, Paul D., Paul, Pierce A., Bradley, Carl A., Chapara, Venkata R., Conley, Shawn P., Robertson, Alison E., 2015

Effect of glyphosate application on sudden death syndrome of glyphosate-resistant soybean under field conditions
Plant disease, Kandel, Yuba R., Bradley, Carl A., Wise, Kiersten A., Chilvers, Martin I., Tenuta, Albert U., Davis, Vince M., Esker, Paul D., Smith, Damon L., Licht, Mark A., Mueller, Daren S., 2015

First report of Phakopsora pachyrhizi on soybean in Costa Rica
Plant Disease, Murillo-Williams, Adriana, Esker, Paul, Allen, Tom, Stone, Christine, Frederick, Reid, 2015

A Profile of and Communication between Certified Crop Advisors and Maize Growers in the Midwest United States
, Shah, Denis, Esker, Paul, Bradley, Carl, Conley, Shawn, Paul, Pierce, Robertson, Alison, 2015

An introduction to key distributions and models in epidemiology using R
, Garrett, Karen, Esker, Paul, Sparks, Adam, 2015

Crop rotation and management effect on Fusarium graminearum, F. oxysporum, and F. virguliforme populations
Crop Science, Marburger, David, Venkateshwaran, Muthusubramanian, Conley, Shawn, Esker, Paul, Lauer, Joseph, Ane, Jean-Michel, 2015

Crop Rotation and Management Effect on spp. Populations
Crop Science, Marburger, David, Venkateshwaran, Muthusubramanian, Conley, Shawn, Esker, Paul, Lauer, Joseph, Ané, Jean-Michel, 2015

Evaluación de la incidencia y la diversidad de begomovirus en Costa Rica
Revista de Protección Vegetal, Barboza, N, Blanco-Meneses, M, Esker, Paul, Moriones, E, Inoue-Nagata, AK, 2015

Fungicide management does not affect the rate of genetic gain in soybean
Agronomy Journal, Weidenbenner, Nicholas H., Rowntree, Scott C., Wilson, Eric W., Suhre, Justin J., Conley, Shawn P., Casteel, Shaun N., Davis, Vince M., Diers, Brian W., Esker, Paul D., Specht, James E., Naeve, Seth L., 2014

Soybean yield partitioning changes revealed by genetic gain and seeding rate interactions
Agronomy Journal, Suhre, Justin J., Weidenbenner, Nicholas H., Rowntree, Scott C., Wilson, Eric W., Naeve, Seth L., Conley, Shawn P., Casteel, Shaun N., Diers, Brian W., Esker, Paul D., Specht, James E., Davis, Vince M., 2014

Physiological and phenological responses of historical soybean cultivar releases to earlier planting
Crop Science, Rowntree, Scott C., Suhre, Justin J., Weidenbenner, Nicholas H., Wilson, Eric W., Davis, Vince M., Naeve, Seth L., Casteel, Shaun N., Diers, Brian W., Esker, Paul D., Conley, Shawn P., 2014

Genetic gain × management interactions in soybean
Crop Science, Wilson, Eric W., Rowntree, Scott C., Suhre, Justin J., Weidenbenner, Nicholas H., Conley, Shawn P., Davis, Vince M., Diers, Brian W., Esker, Paul D., Naeve, Seth L., Specht, James E., Casteel, Shaun N., 2014

The use of reflectance data for in-season soybean yield prediction
Agronomy Journal, Mourtzinis, Spyridon, Rowntree, Scott C., Suhre, Justin J., Weidenbenner, Nicholas H., Wilson, Eric W., Davis, Vince M., Naeve, Seth L., Casteel, Shaun N., Diers, Brian W., Esker, Paul D., Specht, James E., Conley, Shawn P., 2014

A coordinated effort to manage soybean rust in North America
Plant disease, Sikora, E. J., Allen, T. W., Wise, K. A., Bergstrom, G., Bradley, C. A., Bond, J., Brown-Rytlewski, D., Chilvers, M., Damicone, J., DeWolf, E., Dorrance, A., Dufault, N., Esker, Paul, Faske, T. R., Giesler, L., Goldberg, N., Golod, J., Gómez, I. R.G., Grau, C., Grybauskas, A., Franc, G., Hammerschmidt, R., Hartman, G. L., Henn, R. A., Hershman, D., Hollier, C., Isakeit, T., Isard, Scott Alan, Jacobsen, B., Jardine, D., Kemerait, R., Koenning, S., Langham, M., Malvick, D., Markell, S., Marois, J. J., Monfort, S., Mueller, D., Mueller, J., Mulrooney, R., Newman, M., Osborne, L., Padgett, G. B., Ruden, B. E., Rupe, J., Schneider, R., Schwartz, H., Shaner, G., Singh, S., Stromberg, E., Sweets, L., Tenuta, A., Vaiciunas, S., Yang, X. B., Young-Kelly, H., Zidek, J., 2014

Evaluación agronómica de trece genotipos de camote (Ipomoea batatas L.)
Agronomía Costarricense, Castillo Matamoros, Rolbin, Brenes Angulo, Arturo, Esker, Paul, Gómez-Alpízar, Luis, 2014

Relationship between Fusarium virguliforme and Heterodera glycines in commercial soybean fields in Wisconsin
Plant Health Progress, Marburger, David, Conley, Shawn, Esker, Paul, MacGuidwin, Ann, Smith, Damon, 2014

Factors influencing aster leafhopper (Hemiptera: Cicadellidae) abundance and aster yellows phytoplasma infectivity in Wisconsin carrot fields
Environmental Entomology, Frost, K. E., Esker, Paul, Haren, R. Van, Kotolski, L., Groves, R. L., 2013

Seasonal patterns of aster leafhopper (Hemiptera: Cicadellidae) abundance and aster yellows phytoplasma infectivity in Wisconsin carrot fields
Environmental Entomology, Frost, K. E., Esker, P. D., Van Haren, R., Kotolski, L., Groves, R. L., 2013

Genetic gain × management interactions in soybean
Crop Science, Rowntree, Scott C., Suhre, Justin J., Weidenbenner, Nicholas H., Wilson, Eric W., Davis, Vince M., Naeve, Seth L., Casteel, Shaun N., Diers, Brian W., Esker, Paul D., Specht, James E., Conley, Shawn P., 2013

Efficacy and stability of integrating fungicide and cultivar resistance to manage fusarium head blight and deoxynivalenol in wheat
Plant disease, Willyerd, K. T., Li, C., Madden, L. V., Bradley, C. A., Bergstrom, G. C., Sweets, L. E., Mcmullen, M., Ransom, J. K., Grybauskas, A., Osborne, L., Wegulo, S. N., Hershman, D. E., Wise, K., Bockus, W. W., Groth, D., Dill-Macky, R., Milus, E., Esker, P. D., Waxman, K. D., Adee, E. A., Ebelhar, S. E., Young, B. G., Paul, P. A., 2012

Biology, yield loss and control of sclerotinia stem rot of soybean
Journal of Integrated Pest Management, Peltier, Angelique J., Bradley, Carl A., Chilvers, Martin I., Malvick, Dean K., Mueller, Daren S., Wise, Kiersten A., Esker, Paul D., 2012

Crop loss analysis and global food supply: focusing now on required harvests
CAB Review, Esker, Paul, Savary, Serge, McRoberts, Neil, 2012

2011 UNIVERSITY OF WISCONSIN and UW-EXTENSION CORN FOLIAR FUNGICIDE RESEARCH: RESULTS FOR V5 AND 41 APPICATION TIMINGS
2011 Wisconsin Crop Production Association Distinguished Service Awards, Esker, Paul, Ballweg, Mike, Clark, Jerry, Halfman, Bill, Halopka, Richard, Hanson, Matt, Huntzicker, Steve, Proost, Richard, Jensen, Bryan, 2012

ASSESSING TRAIT BY MANAGEMENT INTERACTION:“NO UNITARDS ALLOWED”
2011 Wisconsin Crop Production Association Distinguished Service Awards, Conley, Shawn, Gaska, John, Martinka, Mark, Esker, Paul, 2012

Modeling long-term trends in russet burbank potato growth and development in Wisconsin
Agronomy, Goeser, Nicholas, Mitchell, Paul, Esker, Paul, Curwen, David, Weis, Gavin, Bussan, Alvin, 2012

Probability of yield response and breaking even for soybean seed treatments
Crop Science, Esker, Paul, Conley, Shawn, 2012

Baseline sensitivity of Exserohilum turcicum to the quinone outside inhibitor pyraclostrobin
Phytopathology, Chapara, V, Pedersen, DK, Balint-Kurti, P, Esker, PD, Robertson, AE, Paul, PA, Bradley, CA, 2012

Application of a rank-based method for improved cultivar selection in soft red winter wheat
Plant disease, Lackermann, Karen V., Esker, Paul D., 2011

Effect of location, cultivar, and diseases on grain yield of soft red winter wheat in Wisconsin
Plant disease, Lackermann, Karen V., Conley, Shawn P., Gaska, John M., Martinka, Mark J., Esker, Paul D., 2011

Soybean yield response to plant distribution in Fusarium virguliforme infested soils
Agronomy Journal, Swoboda, C. M., Pedersen, P., Esker, P. D., Munkvold, G. P., 2011

Soybean yield and heterodera glycines response to rotation, tillage, and genetic resistance
Agronomy Journal, Conley, S. P., Gaska, J. M., Pedersen, P., Esker, P., 2011

Meta-analysis of yield response of hybrid field corn to foliar fungicides in the U.S. corn belt
PHYTOPATHOLOGY, Paul, P. A., Madden, L. V., Bradley, C. A., Robertson, A. E., Munkvold, G. P., Shaner, G., Wise, K. A., Malvick, D. K., Allen, T. W., Grybauskas, A., Vincelli, P., Esker, P., 2011

Risk factors for crop health under global change and agricultural shifts
PHYTOPATHOLOGY, Savary, S., Mila, A., Willocquet, L., Esker, Paul, Carisse, O., McRoberts, N., 2011

Tillage, crop rotation, and hybrid effects on residue and corn anthracnose occurrence in Wisconsin
Plant disease, Jirak-Peterson, Jennifer C., Esker, Paul D., 2011

Meta-analysis to determine the effects of plant disease management measures
PHYTOPATHOLOGY, Ngugi, Henry K., Esker, Paul D., Scherm, Harald, 2011

Seasonal phenology of Aphis glycines (Hemiptera: Aphididae) and other aphid species in cultivated bean and noncrop habitats in Wisconsin
Journal of economic entomology, Mueller, E. E., Frost, K. E., Esker, Paul, Gratton, C., 2010

The Uniqueness of the Soybean Rust Pathosystem
Plant disease, Li, X., Esker, P. D., Pan, Z., Dias, A. P., Xue, L., Yang, X. B., 2010

ASSESSING THE EFFECT OF SEED TREATMENT AGAINST FUSARIUM VIRGULIFORME
Soybean seedling emergence and yield in the presence of Fusarium virguliforme, Pacha, Brent, Pedersen, Palle, Esker, Paul, Munkvold, Gary, 2010

EFFECT OF SOYBEAN SEED QUALITY ON SUDDEN DEATH SYNDROME DISEASE DEVELOPMENT
Soybean seedling emergence and yield in the presence of Fusarium virguliforme, Pacha, Brent, Pedersen, Palle, Esker, Paul, Munkvold, Gary, 2010

EFFECTS OF PLANTING DATE AND PLANTING DEPTH ON SUDDEN DEATH SYNDROME IN SOYBEAN
Soybean seedling emergence and yield in the presence of Fusarium virguliforme, Pacha, Brent, Pedersen, Palle, Esker, Paul, Munkvold, Gary, 2010

NEMATICIDE EFFICACY AND NECESSITY
2010 Wisconsin Crop Production Association Distinguished Service Awards, Esker, Paul, Conley, Shawn, 2010

USE OF FUNGICIDES IN HAIL-DAMAGED CROPS
2010 Wisconsin Crop Production Association Distinguished Service Awards, Conley, Shawn, Esker, Paul, Gaska, John, 2010

Wisconsin winter wheat performance tests–2010
UW-Extension document A, Conley, Shawn, Esker, Paul, Martinka, Mark, Gaska, John, Lackermann, Karen, 2010

Pantoea agglomerans, a maize seed transmitted bacterium in Mexico
Phytopathology, Silva-Rojas, HV, Mahuku, G, Esker, PD, 2010