Stephen Koenning

Ye, W., Koenning, S. R., Zeng, Y., Zhuo, K., & Liao, J. (2021). Molecular Characterization of an Emerging Root-Knot Nematode Meloidogyne enterolobii in North Carolina, USA. PLANT DISEASE, 105(4), 819–831. https://doi.org/10.1094/PDIS-04-20-0816-RE

Mueller, D. S., Wise, K. A., Sisson, A. J., Allen, T. W., Bergstrom, G. C., Bissonnette, K. M., … Wiebold, W. J. (2020). Corn Yield Loss Estimates Due to Diseases in the United States and Ontario, Canada, from 2016 to 2019. PLANT HEALTH PROGRESS, 21(4), 238–247. https://doi.org/10.1094/PHP-05-20-0038-RS

Ruark, C. L., Koenning, S. R., Davis, E. L., Opperman, C. H., Lommel, S. A., Mitchum, M. G., & Sit, T. L. (2017). Soybean cyst nematode culture collections and field populations from North Carolina and Missouri reveal high incidences of infection by viruses. PLOS ONE, 12(1). https://doi.org/10.1371/journal.pone.0171514

Sikora, E. J., Allen, T. W., Wise, K. A., Bergstrom, G., Bradley, C. A., Bond, J., … Zidek, J. (2014). A Coordinated Effort to Manage Soybean Rust in North America: A Success Story in Soybean Disease Monitoring. PLANT DISEASE, 98(7), 864–875. https://doi.org/10.1094/pdis-02-14-0121-fe

Ye, W. M., Koenning, S. R., Zhuo, K., & Liao, J. L. (2013, September). First Report of Meloidogyne enterolobii on Cotton and Soybean in North Carolina, United States. PLANT DISEASE, Vol. 97, pp. 1262–1262. https://doi.org/10.1094/pdis-03-13-0228-pdn

Carter, T. E., Jr., Koenning, S. R., Burton, J. W., Rzewnicki, P. E., Villagarcia, M. R., Bowman, D. T., & Arelli, P. R. (2011). Registration of 'N7003CN' Maturity-Group-VII Soybean with High Yield and Resistance to Race 2 (HG Type 1.2.5.7-) Soybean Cyst Nematode. JOURNAL OF PLANT REGISTRATIONS, 5(3), 309–317. https://doi.org/10.3198/jpr2010.09.0565crc

Jordan, D. L., Barnes, J. S., Corbett, T., Bogle, C. R., Johnson, P. D., Shew, B. B., … Brandenburg, R. L. (2008). Crop Response to Rotation and Tillage in Peanut-Based Cropping Systems. AGRONOMY JOURNAL, 100(6), 1580–1586. https://doi.org/10.2134/agronj2008.0075

Zasada, I. A., Avendano, F., Li, Y. C., Logan, T., Melakeberhan, H., Koenning, S. R., & Tylka, G. L. (2008). Potential of an alkaline-stabilized biosolid to manage nematodes: Case studies on soybean cyst and root-knot nematodes. PLANT DISEASE, 92(1), 4–13. https://doi.org/10.1094/PDIS-92-1-0004

Koenning, S. R., & Edmisten, K. L. (2008). Rotation with corn and soybean for management of Meloidogyne incognita in cotton. Journal of Nematology, 40(4), 258–265.

Koenning, S. R., Frye, J. W., Butler, S. C., & Creswell, T. C. (2007, May). First report of Phakopsora pachyrhizi on Kudzu (Pueraria montana var. lobata) in North Carolina and increased incidence of soybean rust on soybean in 2006. PLANT DISEASE, Vol. 91, pp. 637–637. https://doi.org/10.1094/PDIS-91-5-0637A

Koenning, S. R., Frye, J. W., Pataky, J. K., Gibbs, M., & Cotton, D. (2007, August). First report of Phoma terrestris causing red root rot on sweet corn (Zea mays) in North Carolina. PLANT DISEASE, Vol. 91, pp. 1054–1054. https://doi.org/10.1094/PDIS-91-8-1054C

Koenning, S. R., Morrison, D. E., & Edmisten, K. L. (2007). Relative efficacy of selected nematicides for management of Rotylenchulus reniformis in cotton. Nematropica, 37(2), 227–235.

Starr, J. L., Koenning, S. R., Eirkpatrick, T. L., Robinson, A. F., Roberts, P. A., & Nichols, R. L. (2007). The future of nematode management in cotton. Journal of Nematology, 39(4), 283–294.

Wrather, J. A., & Koenning, S. R. (2006). Estimates of disease effects on soybean yields in the United States 2003 to 2005. Journal of Nematology, 38(2), 173–180.

Koenning, S. R., Moore, A. D., Creswell, T. C., Abad, G. Z., Palm, M. E., McKemy, J. M., … DeVries-Paterson, R. (2006, July). First report of soybean rust caused by Phakopsora pachyrhizi in North Carolina. PLANT DISEASE, Vol. 90, pp. 973–973. https://doi.org/10.1094/PD-90-0973A

Koenning, SR, Creswell, T. C., Dunphy, E. J., Sikora, E. J., & Mueller, J. D. (2006, July). Increased occurrence of target spot of soybean caused by Corynespora cassiicola in the southeastern United States. PLANT DISEASE, Vol. 90, pp. 974–974. https://doi.org/10.1094/PD-90-0974C

Koenning, S. R., Bowman, D. T., & Morris, R. H. (2006). Quantifying potential tolerance of selected cotton cultivars to Belonolaimus longicaudatus. Journal of Nematology, 38(2), 187–191.

Koenning, SR, & Bowman, D. T. (2005). Cotton tolerance to Hoplolaimus columbus and impact on population densities. PLANT DISEASE, 89(6), 649–653. https://doi.org/10.1094/PD-89-0649

Koenning, S. R., Morrison, D. E., Edmisten, K. L., & Taylor, R. N. (2004). Efficacy of selected nematicides for management of Hoplolaimus columbus in cotton. Nematropica, 34(2), 211–218.

Koenning, S. R., & Barker, K. R. (2004). Influence of poultry litter applications on nematode communities in cotton agroecosystems. Journal of Nematology, 36(4), 524–533.

Koenning, SR, Kirkpatrick, T. L., Starr, J. L., Wrather, J. A., Walker, N. R., & Mueller, J. D. (2004). [Review of Plant-parasitic nematodes attacking cotton in the United States - Old and emerging production challenges]. PLANT DISEASE, 88(2), 100–113. https://doi.org/10.1094/PDIS.2004.88.2.100

Koenning, S. R. (2004). Population biology. In R. D. Riggs & J. A. Wrather (Eds.), Biology and management of the soybean cyst nematode  (2nd ed.) (pp. 73–88). Weinheim: Wiley-VCH.

Schmitt, D. P., Koenning, S. R., & Barker, K. R. (2004). Population density based management. In R. D. Riggs & J. A. Wrather (Eds.), Biology and management of the soybean cyst nematode  (2nd ed.) (pp. 89–110). Weinheim: Wiley-VCH.

Koenning, SR. (2004). Resistance of soybean cultivars to field populations of Heterodera glycines in North Carolina. PLANT DISEASE, 88(9), 942–950. https://doi.org/10.1094/PDIS.2004.88.9.942

Wrather, J. A., Koenning, S. R., & Anderson, T. (2003). Effect of diseases on soybean yields in the United States and Ontario 1992-2002. Plant Health Progress, (2003 March 25). https://doi.org/10.1094/php-2003-0325-01-rv

Koenning, SR, Edmisten, K. L., Barker, K. R., Bowman, D. T., & Morrison, D. E. (2003). Effects of rate and time of application of poultry litter on Hoplolaimus columbus on cotton. PLANT DISEASE, 87(10), 1244–1249. https://doi.org/10.1094/PDIS.2003.87.10.1244

Koenning, S. R., Edmisten, K. L., Barker, K. R., & Morrison, D. E. (2003). Impact of cotton production systems on management of Hoplolaimus columbus. Journal of Nematology, 35(1), 73–77.

Tu, C., Koenning, SR, & Hu, S. (2003). Root-parasitic nematodes enhance soil microbial activities and nitrogen mineralization. MICROBIAL ECOLOGY, 46(1), 134–144. https://doi.org/10.1007/s00248-002-1068-2

Davis, R. F., Koenning, S. R., Kemerait, R. C., Cummings, T. D., & Shurley, W. D. (2003). Rotylenchulus reniformis management in cotton with crop rotation. Journal of Nematology, 35(1), 58–64.

Koenning, S. R. (2002). Nematicides. Encyclopedia of Pest Management, (2002). https://doi.org/10.1201/noe0824706326.ch233

Koenning, S. R. (2002). Tolerance to Hoplolaimus columbus in glyphosate-resistant, transgenic soybean cultivars. Journal of Nematology, 34(4), 370–373.

Hillocks, R. J., & Koenning, S. R. (2001). Other stem and root diseases. Compendium of Cotton Diseases  (2nd Ed), 33.

Koenning, S. R., Barker, K. R., & Bowman, D. T. (2001). Resistance as a tactic for management of Meloidogyne incognita on cotton in North Carolina. Journal of Nematology, 33(2-3), 126–131.

Wrather, J. A., Stienstra, W. C., & Koenning, SR. (2001). Soybean disease loss estimates for the United States from 1996 to 1998. CANADIAN JOURNAL OF PLANT PATHOLOGY-REVUE CANADIENNE DE PHYTOPATHOLOGIE, 23(2), 122–131. https://doi.org/10.1080/07060660109506919

Koenning, S. R. (2000). Density-dependent yield of Heterodera glycines-resistant and -susceptible cultivars. Journal of Nematology, 32(4), 502–507.

Koenning, S. R., Abdel Alim, F. F., & Grand, L. F. (2000). Stem canker of cotton caused by Phoma exigua in North Carolina. Plant Disease, 84(2000), 1251.

Koenning, S. R., Barker, K. R., & Bowman, D. T. (2000). Tolerance of selected cotton lines to Rotylenchulus reniformis. Journal of Nematology, 32(4), 519–523.

Koenning, S. R., Overstreet, C., Noling, J. W., Donald, P. A., Becker, J. O., & Fortnum, B. A. (1999). Survey of crop losses in response to phytoparasitic nematodes in the United States for 1994. Journal of Nematology, 31(4), 587–618.

Koenning, S. R., & Sipes, B. S. (1998). Biology. In The cyst nematodes (pp. 156–190). https://doi.org/10.1007/978-94-015-9018-1_7

Barker, K. R., & Koenning, SR. (1998). [Review of Developing sustainable systems for nematode management]. ANNUAL REVIEW OF PHYTOPATHOLOGY, 36, 165–205. https://doi.org/10.1146/annurev.phyto.36.1.165

Koenning, S. R., Coble, H. D., Bradley, J. R., Barker, K. R., & Schmitt, D. P. (1998). Effects of a low rate, of aldicarb on soybean and associated pest interactions in fields infested with Heterodera glycines. Nematropica, 28(2), 205–211.

Koenning, S. R., Bailey, J. E., Schmitt, D. P., & Barker, K. R. (1998). Management of plant-parastic nematodes on peanut with selected nematicides in North Carolina. Journal of Nematology, 30(4 suppl.), 643–650.

Koenning, S. R., & Barker, K. R. (1998). Survey of Heterodera glycines races and other plant-parastic nematodes on soybean in North Carolina. Journal of Nematology, 30(4, Suppl.), 569–576.

Koenning, S. R., Walters, S. A., & Barker, K. R. (1996). Impact of soil texture on the reproductive and damage potentials of Rotylenchulus reniformis and Meloidogyne incognita on cotton. Journal of Nematology, 28(4), 527.

Koenning, S. R., Schmitt, D. P., & Barker, K. R. (1996). Soybean maturity group and planting date effects on seed yield and population densities of Heterodera glycines. Fundamental and Applied Nematology, 19(2), 135.

KOENNING, SR, SCHMITT, D. P., BARKER, K. R., & GUMPERTZ, M. L. (1995). IMPACT OF CROP-ROTATION AND TILLAGE SYSTEM ON HETERODERA-GLYCINES POPULATION-DENSITY AND SOYBEAN YIELD. PLANT DISEASE, 79(3), 282–286. https://doi.org/10.1094/PD-79-0282

Koenning, S. R., & Barker, K. R. (1995). Soybean photosynthesis and yield as influenced by Heterodera glycines, soil type and irrigation. Journal of Nematology, 27(1), 51.

KOENNING, SR, SCHMITT, D. P., & BARKER, K. R. (1993). EFFECTS OF CROPPING SYSTEMS ON POPULATION-DENSITY OF HETERODERA-GLYCINES AND SOYBEAN YIELD. PLANT DISEASE, 77(8), 780–786. https://doi.org/10.1094/PD-77-0780

Koenning, S. R., & Barker, K. R. (1992). A novel technique for infesting field sites with encapsulated eggs of Meloidogyne spp. Journal of Nematology, 24(1), 183.

Koenning, S. R., & Barker, K. R. (1992). Field evaluation of selected soybean cultivars for resistance to two races of Meloidogyne arenaria. Journal of Nematology, 24(4), 735.

Koenning, S. R., & Barker, K. R. (1992). Relative damage function and reproductive potentials of Meloidogyne arenaria and M. hapla on peanut. Journal of Nematology, 24(1), 187.