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ARS Home » Southeast Area » Raleigh, North Carolina » Plant Science Research » People & Locations » Christina Cowger

Christina Cowger (PhD)
Plant Science Research
Plant Pathologist

Phone: (919) 513-7388
Fax: (919) 856-4816
Room 3409

GARDNER HALL, NORTH CAROLINA STATE UNIVERSITY
RALEIGH, NC 27695
Projects
Genetic Improvement of Small Grains and Characterization of Pathogen Populations
In-House Appropriated (D)
  Accession Number: 434206
Management of Fusarium Head Blight of Small Grain Crops in Kentucky
Non-Assistance Cooperative Agreement (S)
  Accession Number: 436584

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Registration of ‘Hilliard’ wheat - (Peer Reviewed Journal)
Timing of susceptibility to Fusarium head blight in winter wheat Reprint Icon - (Peer Reviewed Journal)
Cowger, C., Beccari, G., Dong, Y. 2020. Timing of susceptibility to Fusarium head blight in winter wheat. Plant Disease. https://doi.org/10.1094/PDIS-03-20-0527-RE.
Regional and field-specific differences in Fusarium species and mycotoxins associated with blighted North Carolina wheat Reprint Icon - (Peer Reviewed Journal)
Cowger, C., Ward, T.J., Nilsson, K., Arellano, C., McCormick, S.P., Busman, M. 2020. Regional and field-specific differences in Fusarium species and mycotoxins associated with blighted North Carolina wheat. International Journal of Food Microbiology. https://doi.org/10.1016/j.ijfoodmicro.2020.108594.
Sensitivity of Fusarium graminearum to metconazole and tebuconazole fungicides before and after widespread use in wheat in the United States Reprint Icon - (Peer Reviewed Journal)
Anderson, N.R., Freije, A.N., Bergstrom, G.C., Bradley, C.A., Cowger, C., Faske, T., Kleczewski, N., Padgett, G.B., Paul, P., Price, T., Wise, K.A. 2020. Sensitivity of Fusarium graminearum to metconazole and tebuconazole fungicides before and after widespread use in wheat in the United States. Plant Health Progress. 21:85-90. https://doi.org/10.1094/PHP-11-19-0083-RS.
Role of effector-sensitivity gene interactions and durability of quantitative resistance to septoria nodorum blotch in Eastern U.S. wheat Reprint Icon - (Peer Reviewed Journal)
Cowger, C., Ward, B.P., Brown Guedira, G.L., Brown, J.K. 2020. Role of effector-sensitivity gene interactions and durability of quantitative resistance to septoria nodorum blotch in Eastern U.S. wheat. Frontiers in Plant Science. 11:155. https://doi.org/10.3389/fpls.2020.00155.
Evidence of local adaptation and regional effector repertoires in Parastagonospora nodorum - (Abstract Only)
Managing a destructive, episodic crop disease: A national survey of wheat and barley growers’ experience with Fusarium head blight Reprint Icon - (Peer Reviewed Journal)
Cowger, C., Smith, J., Boos, D., Bradley, C.A., Ransom, J., Bergstrom, G.C. 2020. Managing a destructive, episodic crop disease: A national survey of wheat and barley growers’ experience with Fusarium head blight. Plant Disease. 104:634-648. https://doi.org/10.1094/PDIS-10-18-1803-SR.
Local adaptation drives the diversification of effectors in the fungal wheat pathogen Parastagonospora nodorum in the United States Reprint Icon - (Peer Reviewed Journal)
Richards JK, Stukenbrock EH, Carpenter J, Liu Z, Cowger C, Faris JD, et al. (2019) Local adaptation drives the diversification of effectors in the fungal wheat pathogen Parastagonospora nodorum in the United States. PLoS Genet 15(10): e1008223. https://doi.org/10.1371/journal.pgen.1008223
Disease management and estimated effects on DON (Deoxynivalenol) contamination in fusarium infested barleys Reprint Icon - (Peer Reviewed Journal)
Mckee, G., Cowger, C., Dill-Macky, R., Friskop, A., Gautam, P., Ransom, J., Wilson, W. 2019. Disease management and estimated effects on DON (Deoxynivalenol) contamination in fusarium infested barleys. Open Access Journal of Agricultural Research. 9:155. https://doi.org/10.3390/agriculture9070155.
Characterization of Pm65, a new powdery mildew resistance gene on chromosome 2AL of a facultative wheat cultivar Reprint Icon - (Peer Reviewed Journal)
Li, G., Cowger, C., Wang, X., Carver, B.F., Xu, X. 2019. Characterization of Pm65, a new powdery mildew resistance gene on chromosome 2AL of a facultative wheat cultivar. Theoretical and Applied Genetics. 132(9):2625-2632. https://doi.org/10.1007/s00122-019-03377-2.
Sensitivity of United States wheat powdery mildew (Blumeria graminis f.sp. tritici) populations to the demethylation inhibitor fungicides Reprint Icon - (Peer Reviewed Journal)
Meyers, E., Arellano, C., Cowger, C. 2019. Sensitivity of United States wheat powdery mildew (Blumeria graminis f.sp. tritici) populations to the demethylation inhibitor fungicides. Plant Disease. https://doi.org/10.1094/PDIS-04-19-0715-RE.
Durability of quantitative resistance in crops: Greater than we know? - (Peer Reviewed Journal)
Cowger, C., Brown, J.K. 2019. Durability of quantitative resistance in crops: Greater than we know?. Annual Review of Phytopathology. 57:253-277.
Identification of powdery mildew resistance loci in wheat by integrating genome-wide association study (GWAS) and linkage mapping Reprint Icon - (Peer Reviewed Journal)
Li, G., Xu, X., Tan, C., Carver, B.F., Bai, G., Wang, X., Bonman, J.M., Wu, Y., Hunger, R., Cowger, C. 2019. Identification of powdery mildew resistance loci in wheat by integrating genome-wide association study (GWAS) and linkage mapping. The Crop Journal. 7(3):294-306. https://doi.org/10.1016/j.cj.2019.01.005.
Managing fusarium head blight in winter barley with cultivar resistance and fungicide Reprint Icon - (Peer Reviewed Journal)
Cowger, C., Arellano, C., Marshall, D.S., Fitzgerald, J. 2019. Managing fusarium head blight in winter barley with cultivar resistance and fungicide. Plant Disease. https://doi.org/10.1094/PDIS-09-18-1582-RE.
Septoria nodorum blotch of wheat Reprint Icon - (Peer Reviewed Journal)
Mehra, L., Adhikari, U., Ojiambo, P., Cowger, C. 2019. Septoria nodorum blotch of wheat. Plant Disease. https://doi.org/10.1094/PHI-I-2019-0514-01.
Characterization of Pm63, a new powdery mildew resistance gene identified in Iranian landrace PI 628024 Reprint Icon - (Peer Reviewed Journal)
Tan, C., Li, G., Cowger, C., Carver, B.F, Xu, X. 2019. Characterization of Pm63, a new powdery mildew resistance gene identified in Iranian landrace PI 628024. Journal of Theoretical and Applied Genetics. 132(4):1137-1144. https://doi.org/10.1007/s00122-018-3265-5.
Molecular and cytogenetic characterization of six wheat-Aegilops markgrafii disomic addition lines and their resistance to rusts and powdery mildew Reprint Icon - (Peer Reviewed Journal)
Niu, Z., Chao, S., Cai, X., Whetten, R.B., Breiland, M., Cowger, C., Chen, X., Friebe, B., Gill, B.S., Rasmussen, J.B., Klindworth, D.L., Xu, S.S. 2018. Molecular and cytogenetic characterization of six wheat-Aegilops markgrafii disomic addition lines and their resistance to rusts and powdery mildew. Frontiers in Plant Science. http://doi.org/10.3389/fpls.2018.01616.
Effect of wheat infection timing on fusarium head blight causal agents and secondary metabolites in grain - (Peer Reviewed Journal)
Beccari, G., Arellano, C., Covarelli, L., Tini, F., Sulyok, M., Cowger, C. 2019. Effect of wheat infection timing on fusarium head blight causal agents and secondary metabolites in grain. International Journal of Food Microbiology. 290:214-225.
Pm223899, a new recessive powdery mildew resistance gene identified in Afghanistan landrace PI 223899 Reprint Icon - (Peer Reviewed Journal)
Li, G., Carver, B., Cowger, C., Bai, G., Xu, X. 2018. Pm223899, a new recessive powdery mildew resistance gene identified in Afghanistan landrace PI 223899. Theoretical and Applied Genetics. 131(12):2775-2783. https://doi.org/10.1007/s00122-018-3199-y.
Registration of 'LCS Compass' wheat - (Peer Reviewed Journal)
Liu, L., Barnett, M.D., Griffey, C.A., Malla, S., Brooks, W.S., Seago, J.E., Kirby, K., Thomason, W.E., Rucker, E.G., Behl, H.D., Pitman, R.M., Dunaway, D.W., Vaughn, M.E., Custis, J.T., Seabourn, B.W., Chen, Y.R., Fountain, M.O., Marshall, D.S., Graybosch, R.A., Divis, L.A., Hansen, L.E., Cowger, C., Cambron, S.E., Jin, Y., Beahm, B.R., Hardiman, T.H., Lin, C.J., Mennel, D.F., Mennel, D.L. 2018. Registration of "LCS Compass" Wheat. Journal of Plant Registrations. 13:50-57. https://dl.sciencesocieties.org/publications/jpr/pdfs/13/1/50.
Regional differences in the composition of Fusarium head blight pathogens and mycotoxins associated with wheat in Mexico - (Peer Reviewed Journal)
Ceron-Bustamante, M., Ward, T.J., Kelly, A.C., Vaughan, M.M., McCormick, S.P., Cowger, C., Leyva-Mir, S.G., Villasenor-Mir, H.E., Ayala-Escobar, V., Nava-Diaz, C. 2018. Regional differences in the composition of Fusarium head blight pathogens and mycotoxins associated with wheat in Mexico. International Journal of Food Microbiology. 273:11-19.
Registration of ‘Pembroke 2016’ Soft Red Winter Wheat - (Peer Reviewed Journal)
Van Sanford, D., Clark, A., Bradley, C., Brown Guedira, G.L., Cowger, C., Dong, Y., Baik, B.V. 2018. Registration of ‘Pembroke 2016’ Soft Red Winter Wheat. Journal of Plant Registrations. 12(3):373-378.
Characterization of Pm59, a novel powdery mildew resistance gene in Afghanistan wheat landrace PI 181356 Reprint Icon - (Peer Reviewed Journal)
Tan, C., Li, G., Cowger, C., Carver, B.F., Xu, X. 2018. Characterization of Pm59, a novel powdery mildew resistance gene in Afghanistan wheat landrace PI 181356. Theoretical and Applied Genetics. 131(5):1145-1152. https://doi.org/10.1007/s00122-018-3067-9.
Distinct domains of the AVRPM3A2/F2 avirulence protein from wheat powdery mildew are involved in immune receptor recognition and putative effector function - (Peer Reviewed Journal)
McNally, K., Menardo, F., Luthi, L., Praz, C., Mueller, M., Kunz, L., Ben-David, R., Chandrasekhar, K., Dinoor, A., Cowger, C., Myers, E., Xue, M., Zeng, F., Gong, S., Yu, D., Bourras, S., Keller, B. 2018. Distinct domains of the AVRPM3A2/F2 avirulence protein from wheat powdery mildew are involved in immune receptor recognition and putative effector function. New Phytologist. 218:681-695.
Understanding yield loss and pathogen biology to improve disease management: Stagonospora nodorum blotch - a case study in wheat - (Peer Reviewed Journal)
Ficke, A., Cowger, C., Bergstrom, G., Brodal, G. 2018. Understanding yield loss and pathogen biology to improve disease management: Stagonospora nodorum blotch - a case study in wheat. Plant Disease. 102:696-707.
Virulence differences in blumeria graminis f. sp. tritici from the central and eastern United States - (Peer Reviewed Journal)
Cowger, C., Mehra, L., Arellano, C., Meyers, E., Murphy, J.P. 2018. Virulence differences in blumeria graminis f. sp. tritici from the central and eastern United States. Phytopathology. 108:402-411.
Registration of two wheat germplasm lines fixed for Pm58 Reprint Icon - (Peer Reviewed Journal)
Wiersma, A., Whetten, R.B., Zhang, G., Sehgal, S., Kolb, F., Poland, J., Esten, M., Carter, A., Cowger, C., Olson, E. 2018. Registration of two wheat germplasm lines fixed for Pm58. Journal of Plant Registrations. doi:10.3198/jpr2017.06.0036crg.
Virulence of Egyptian blumeria graminis f. sp. tritici population and powdery mildew response of Egyptian wheat cultivars - (Peer Reviewed Journal)
Abdelrhim, A., Abd-Alla, H.M., Abdou, E., Ismail, M.E., Cowger, C. 2018. Virulence of Egyptian blumeria graminis f. sp. tritici population and powdery mildew response of Egyptian wheat cultivars. Plant Disease. 102:391-397.
‘Savoy’: An adapted soft red winter wheat cultivar for Georgia and the South East regions of the USA - (Peer Reviewed Journal)
Johnson, J.W., Chen, Z., Buck, J.W., Buntin, G.D., Babar, M.A., Mason, R.E., Harrison, S.A., Murphy, J.P., Ibrahim, A.M., Sutton, R.L., Simoneaux, B.E., Bockelman, H.E., Baik, B-K., Marshall, D.S., Cowger, C., Brown Guedira, G.L., Kolmer, J.A., Jin, Y., Chen, X., Cambron, S.E., Mergoum, M. 2018. ‘Savoy’: An adapted soft red winter wheat cultivar for Georgia and the South East regions of the USA. Journal of Plant Registrations. 12:85-89.
Re-engineering of the Pm21 transfer from Haynaldia villosa to bread wheat by induced homoeologous recombination - (Peer Reviewed Journal)
Lukaszewski, A.J., Cowger, C. 2017. Re-engineering of the Pm21 transfer from Haynaldia villosa to bread wheat by induced homoeologous recombination. Crop Science. 57:1-5.
Three pythium species isolated from severely stunted wheat during an outbreak in North Carolina - (Peer Reviewed Journal)
Lookabaugh, E., Shew, B., Cowger, C. 2017. Three pythium species isolated from severely stunted wheat during an outbreak in North Carolina. Plant Health Progress. 18:169-173.
Identification of PmTA1662 from Aegilops tauschii - (Peer Reviewed Journal)
Wiersma, A., Pulman, J., Brown, L., Cowger, C., Olson, E. 2017. Identification of PmTA1662 from Aegilops tauschii. Theoretical and Applied Genetics. 130:1123-1133.
A model for predicting onset of stagonospora nodorum blotch in winter wheat based on pre-planting and weather factors - (Peer Reviewed Journal)
Mehra, L., Cowger, C., Ojiambo, P.S. 2017. A model for predicting onset of stagonospora nodorum blotch in winter wheat based on pre-planting and weather factors. Phytopathology. 107:635-644.
‘GA 03564-12E6’: A high-yielding soft red winter wheat cultivar adapted to Georgia and the southeastern regions of the United States Reprint Icon - (Peer Reviewed Journal)
Johnson, J.W., Chen, Z., Buck, J.W., Buntin, G.D., Babar, M.A., Mason, R.E., Harrison, S.A., Murphy, J.P., Ibrahim, A.H., Sutton, R.L., Simoneaux, B.E., Bockelman, H.E., Baik, B.-K., Marshall, D.S., Cowger, C., Brown Guedira, G.L., Kolmer, J.A., Jin, Y., Chen, X., Cambron, S.E., Mergoum, M. 2017. ‘GA 03564-12E6’: A high-yielding soft red winter wheat cultivar adapted to Georgia and the southeastern regions of the United States. Journal of Plant Registrations. 11:159-164.
The geographic distribution and complex evolutionary history of the NX-2 trichothecene chemotype from Fusarium graminearum Reprint Icon - (Peer Reviewed Journal)
Kelly, A., Proctor, R.H., Belzile, F., Chulze, S.N., Clear, R.M., Cowger, C., Elmer, W., Lee, T., Obanor, F., Waalwijk, C., Ward, T.J. 2016. The geographic distribution and complex evolutionary history of the NX-2 trichothecene chemotype from Fusarium graminearum. Fungal Genetics and Biology. 95:39-48.
Validation of Fusarium Head Blight resistance QTL in US winter wheat - (Peer Reviewed Journal)
Petersen, S., Lyerly, J.H., McKendry, A.L., Islam, M.S., Brown Guedira, G.L., Cowger, C., Dong, Y., Murphy, P.J. 2017. Validation of Fusarium Head Blight resistance QTL in US winter wheat. Crop Science. 57:1-12. doi:10.2135cropsci2015.07.0415.
Profitability of integrated management of fusarium head blight in North Carolina winter wheat - (Peer Reviewed Journal)
Cowger, C., Weisz, R., Arellano, C., Murphy, J.P. 2016. Profitability of integrated management of fusarium head blight in North Carolina winter wheat. Phytopathology. 106:814-823.
Differentiation among Israeli Blumeria graminis f. sp. tritici isolates originating from wild vs. domesticated Triticum species - (Peer Reviewed Journal)
Ben David, R., Cowger, C., Parks, W.R., Dinoor, A., Kosman, E., Wicker, T., Keller, B. 2016. Differentiation among Israeli Blumeria graminis f. sp. tritici isolates originating from wild vs. domesticated Triticum species. Phytopathology. http://dx.doi.org/10.1094/PHYTO-07-15-0177-R.
Predicting pre-planting risk of Stagonospora nodorum blotch in winter wheat using machine learning models - (Peer Reviewed Journal)
Mehra, L., Cowger, C., Gross, K., Ojiambo, P. 2016. Predicting pre-planting risk of Stagonospora nodorum blotch in winter wheat using machine learning models. Frontiers in Plant Science. http://dx.doi.org/10.3389/fpls.2016.00390.
Mapping of Fusarium Head Blight resistance QTL in winter wheat cultivar NC-Neuse - (Peer Reviewed Journal)
Peterson, S., Lyerly, J., Maloney, P., Brown Guedira, G.L., Cowger, C., Costa, J., Dong, Y., Murphy, J.P. 2016. Mapping of Fusarium Head Blight resistance QTL in winter wheat cultivar NC-Neuse. Crop Science. 56(4):1473-1483.
Structure and migration in U.S. Blumeria graminis f. sp. tritici populations - (Peer Reviewed Journal)
Cowger, C., Parks, W.R., Kosman, E. 2016. Structure and migration in U.S. Blumeria graminis f. sp. tritici populations. Phytopathology. 106:295-304.
Registration of ‘Pembroke 2014’ soft red winter wheat - (Peer Reviewed Journal)
Van Sanford, D.A., Clark, A.J., Hershman, D., Brown Guedira, G.L., Cowger, C., Dong, Y., Baik, B.V. 2016. Registration of ‘Pembroke 2014’ soft red winter wheat. Journal of Plant Registrations. 10:41-46.
2014-15 North Carolina Wheat Survey Results ()
Host Resistance ()
Pre-planting risk assessment models for Stagonospora nodorum blotch in winter wheat - (Proceedings)
Registration of 'LCS Wizard' wheat - (Peer Reviewed Journal)
Liu, L., Barnett, M., Griffey, C., Malla, S., Brooks, W., Seago, J.E., Butler, H., Thomason, W.E., Rucker, E., Behl, H.D., Pitman, R.M., Dunaway, D.W., Vaughn, M.E., Custis, J.T., Seabourn, B.W., Chen, Y.R., Fountain, M.O., Marshall, D.S., Graybosch, R.A., Divis, L.A., Hansen, L.E., Cowger, C., Cambron, S.E., Jin, Y., Beahm, B.R., Hardiman, T.H., Lin, C.J., Mennel, D.F., Mennel, D.L. 2016. Registration of 'LCS Wizard' wheat. Journal of Plant Registrations. 10:28-35.
Quantifying the effects of wheat residue on severity of Stagonospora nodorum blotch and yield in winter wheat - (Peer Reviewed Journal)
Mehra, L., Cowger, C., Weisz, R., Ojiambo, P. 2015. Quantifying the effects of wheat residue on severity of Stagonospora nodorum blotch and yield in winter wheat. Phytopathology. 105:1417-1426.
Registration of Vision 45 Wheat - (Peer Reviewed Journal)
Liu, L., Barnett, M., Griffey, C., Malla, S., Brooks, W., Seago, J.E., Thomason, W.E., Rucker, E., Behl, H.D., Pitman, R.M., Dunaway, D.W., Vaughn, M.E., Custis, J.T., Seabourn, B.W., Chen, Y.R., Fountain, M.O., Marshall, D.S., Cowger, C., Cambron, S.E., Jin, Y., Beahm, B.R., Hardiman, T.H., Lin, C.J., Mennel, D.F., Mennel, D.L. Registration of Vision 45 Wheat. Journal of Plant Registrations. 9:338-344. 2015.
Structure and regional differences in U.S. Blumeria graminis f. sp. tritici populations: divergence, migration, fungicide sensitivity, and virulence patterns - (Proceedings)
Molecular characterization of a new powdery mildew resistance gene Pm54 in soft red winter wheat - (Peer Reviewed Journal)
Hao, Y., Parks, W.R., Cowger, C., Chen, Z., Wang, Y., Bland, D., Murphy, J.P., Guedira, M., Brown Guedira, G.L., Johnson, J. 2015. Molecular characterization of a new powdery mildew resistance gene Pm54 in soft red winter wheat. Theoretical and Applied Genetics. 128:465-476.
Evaluating fungicide sensitivity of regional Blumeria graminis f.sp. tritici populations in the United States - (Abstract Only)
Mapping of novel powdery mildew resistance gene Pm53 introgressed from Aegilops speltoides into soft red winter wheat - (Peer Reviewed Journal)
Petersen, S., Lyerly, J.H., Worthington, M.L., Marshall, D.S., Brown Guedira, G.L., Cowger, C., Parks, W.R., Murphy, J.P. 2014. Mapping of novel powdery mildew resistance gene Pm53 introgressed from Aegilops speltoides into soft red winter wheat. Theoretical and Applied Genetics. 128:303-312.
Validation of Fusarium head blight resistance QTL using the NC-Neuse / Bess doubled haploid population - (Proceedings)
Fusarium Head Blight resistance QTL in the NC-Neuse / AGS2000 recombinant inbred population - (Proceedings)
The nivalenol-producing Fusarium graminearum genotype in scabby North Carolina wheat spikes - (Abstract Only)
Frequency of the nivalenol mycotoxin genotype in Fusarium graminearum sampled from North Carolina wheat fields - (Abstract Only)
MlUM15: an Aegilops neglecta-derived powdery mildew resistance gene in common wheat - (Peer Reviewed Journal)
Worthington, M., Lyerly, J., Petersen, S., Brown Guedira, G.L., Marshall, D.S., Cowger, C., Parks, W.R., Murphy, J.P. 2014. MlUM15: an Aegilops neglecta-derived powdery mildew resistance gene in common wheat. Crop Science. 54(4):1397-1406.
Crop production management: Organic wheat and small grains ()
Genes conferring sensitivity to stagonospora nodorum necrotrophic effectors in stagonospora nodorum blotch-susceptible U.S. wheat cultivars - (Peer Reviewed Journal)
Bertucci, M., Brown Guedira, G.L., Murphy, P., Cowger, C. 2014. Genes conferring sensitivity to stagonospora nodorum necrotrophic effectors in stagonospora nodorum blotch-susceptible U.S. wheat cultivars. Plant Disease. 98:746-753.
Effect of levels of wheat residue on the severity of stagonospora nodorum blotch in winter wheat - (Proceedings)
Small grain disease management ()
Identifying genes for sensitivity to Stagonospora nodorum in southeastern wheat cultivars - (Abstract Only)
Fusarium graminearum infection and deoxynivalenol concentrations during development of wheat spikes - (Peer Reviewed Journal)
Cowger, C., Arellano, C. 2013. Fusarium graminearum infection and deoxynivalenol concentrations during development of wheat spikes. Phytopathology. 103:460-471.
Identification of Pm8 Suppressor at Pm3 Locus in Soft 1 Red Winter Wheat - (Peer Reviewed Journal)
Hao, Y., Chen, Z., Wang, Y., Bland, D., Parks, W.R., Cowger, C., Johnson, J. 2012. Identification of Pm8 Suppressor at Pm3 Locus in Soft 1 Red Winter Wheat. Crop Science. 52:2483-2445.
MlNCD1: A novel Aegilops tauschii derived powdery mildew resistance gene identified in common wheat - (Peer Reviewed Journal)
Maxwell, J.J., Lyerly, J.H., Srnic, G., Murphy, P., Cowger, C., Parks, W.R., Marshall, D.S., Brown Guedira, G.L., Miranda, L.M. 2012. MlNCD1: A novel Aegilops tauschii derived powdery mildew resistance gene identified in common wheat. Crop Science. 52:1162-1170.
Novel necrotrophic effectors from stagonospora nodorum and corresponding host genes in winter wheat germplasm in the Southeastern United States - (Peer Reviewed Journal)
Crook, A.D., Friesen, T.L., Liu, Z.H., Ojiambo, P.S., Cowger, C. 2012. Novel necrotrophic effectors from stagonospora nodorum and corresponding host genes in winter wheat germplasm in the Southeastern United States. Phytopathology. 102:498-505.
Rye-derived powdery mildew resistance gene Pm8 in wheat is suppressed by the Pm3 locus - (Peer Reviewed Journal)
Mcintosh, R.A., Zhang, P., Cowger, C., Parks, W.R., Lagudah, E.S., Hoxha, S. 2011. Rye-derived powdery mildew resistance gene Pm8 in wheat is suppressed by the Pm3 locus. Theoretical and Applied Genetics. 123:359-367.
Trichothecene genotypes of gibberella zeae from winter wheat fields in the Eastern United States - (Peer Reviewed Journal)
Schmale, D.G., Wood-Jones, A.K., Cowger, C., Bergstrom, G.C., Arellano, C. 2011. Trichothecene genotypes of gibberella zeae from winter wheat fields in the Eastern United States. Plant Pathology. 60:909-917.
A degree-day model for the latent period of stagonospora nodorum blotch in winter wheat - (Peer Reviewed Journal)
Zearfoss, A., Cowger, C., Ojiambo, P. 2011. A degree-day model for the latent period of stagonospora nodorum blotch in winter wheat. Plant Disease. 95:561-567.
Characterization of polymorphic microsatellite loci for Blumeria graminis f. sp. tritici, cause of powdery mildew of wheat - (Peer Reviewed Journal)
Parks, W.R., Booth, W., Cowger, C. 2011. Characterization of polymorphic microsatellite loci for Blumeria graminis f. sp. tritici, cause of powdery mildew of wheat. Molecular Ecology Resources. 11:586-589.
Multiple mid-Atlantic field experiments show no economic benefit to fungicide application if fungal disease pressure is low or absent in winter wheat - (Peer Reviewed Journal)
Weisz, R., Cowger, C. 2011. Multiple mid-Atlantic field experiments show no economic benefit to fungicide application if fungal disease pressure is low or absent in winter wheat. Phytopathology. 101:323-333.
Effect of temperature on latent period of Stagonospora nodorum blotch in winter wheat - (Abstract Only)
Zearfoss, A., Cowger, C., Ojiambo, P.S. 2010. Effect of temperature on latent period of Stagonospora nodorum blotch in winter wheat. Phytopathology.
Registration of the Soft Red Winter Wheat Germplasm MD01W233-06-1 Resistant to Fusarium Head Blight - (Peer Reviewed Journal)
Costa, J.M., Bockelman, H., Brown Guedira, G.L., Cambron, S., Chen, X., Cooper, A., Cowger, C., Dong, Y., Grybauskas, A., Jin, Y., Kolmer, J., Murphy, J.P., Sneller, C., Souza, E. 2010. Registration of the Soft Red Winter Wheat Germplasm MD01W233-06-1 Resistant to Fusarium Head Blight. Journal of Plant Registrations. 4:1-6
MlAB10: a Triticum turgidum subsp. dicoccoides derived powdery mildew resistance gene identified in common wheat - (Peer Reviewed Journal)
Maxwell, J., Lyerly, J., Srnic, G., Parks, W.R., Cowger, C., Marshall, D.S., Brown Guedira, G.L., Murphy, P.J. 2010. MlAB10: a Triticum turgidum subsp. dicoccoides derived powdery mildew resistance gene identified in common wheat. Crop Science. 50:2261-2267.
Plump Kernels with High Deoxynivalenol Linked to Late Gibberella zeae Infection and Marginal Disease Conditions in Winter Wheat - (Peer Reviewed Journal)
Cowger, C., Arellano, C. 2010. Plump Kernels with High Deoxynivalenol Linked to Late Gibberella zeae Infection and Marginal Disease Conditions in Winter Wheat. Phytopathology. 100(7):719-728
Registration of the Soft Red Winter Wheat Germplasm MD01W233-06-1 Resistant to Fusarium Head Blight ()
Costa, J.M., Bockelman, H.E., Brown Guedira, G.L., Cambron, S.E., Chen, X., Cooper, A., Cowger, C., Dong, Y., Grybauskas, A., Jin, Y., Kolmer, J.A., Murphy, J.P., Sneller, C., Souza, E.J. 2010. Registration of the Soft Red Winter Wheat Germplasm MD01W233-06-1 Resistant to Fusarium Head Blight. Journal of Plant Registrations. 4: 255-260, 2010.
Maize Debris Increases Barley Yellow Dwarf Virus Severity in North Carolina Winter Wheat - (Peer Reviewed Journal)
Cowger, C., Weisz, R., Anderson, J.M., Horton, J. 2010. Maize Debris Increases Barley Yellow Dwarf Virus Severity in North Carolina Winter Wheat. Agronomy Journal. 102:688-696
MIAG12: A Triticum timopheevii-derived powdery mildew resistance gene in common wheat on chromosome 7AL - (Peer Reviewed Journal)
Maxwell, J.J., Lyerly, J.H., Cowger, C., Marshall, D.S., Brown Guedira, G.L., Murphy, J.P. 2009. MIAG12: A Triticum timopheevii-derived powdery mildew resistance gene in common wheat on chromosome 7AL. Theoretical and Applied Genetics. 119:1489–1495.
Appearance of Powdery Mildew of Wheat (caused by Blumeria graminis f. sp. Tritici) on Pm17-bearing Cultivars in North Carolina - (Peer Reviewed Journal)
Cowger, C., Parks, W.R., Marshall, D.S. 2009. Appearance of Powdery Mildew of Wheat (caused by Blumeria graminis f. sp. Tritici) on Pm17-bearing Cultivars in North Carolina. Plant Disease. 93:1219
Aerial dispersal and multiple-scale spread of epidemics - (Peer Reviewed Journal)
Mundt, C.C., Sackett, K.E., Wallace, L.D., Cowger, C., Dudley, J.P. 2010. Aerial dispersal and multiple-scale spread of epidemics. EcoHealth. DOI: 10.1007/s10393-009-0251-z.
Population Genetic Analysis of an Eastern U.S. Wheat Powdery Mildew Population Reveals Geographic and Recent Common Ancestry with U.K. and Israeli Populations - (Peer Reviewed Journal)
Parks, R., Carbone, I., Murphy, J., Cowger, C. 2009. Population Genetic Analysis of an Eastern U.S. Wheat Powdery Mildew Population Reveals Geographic and Recent Common Ancestry with U.K. and Israeli Populations. Phytopathology. 99:840-849.
Post-flowering moisture increased Fusarium head blight and deoxynivalenol levels in North Carolina field experiment with winter wheat - (Peer Reviewed Journal)
Cowger, C., Patton Ozkurt, J.L., Brown Guedira, G.L., Perugini, L. 2009. Post-flowering moisture increased Fusarium head blight and deoxynivalenol levels in North Carolina field experiment with winter wheat. Phytopathology. 99:320-327.
Long Distance Dispersal and Accelerating Waves of Disease: Empirical Relationships - (Peer Reviewed Journal)
Mundt, C.C., Sackett, K.E., Wallace, L.D., Cowger, C., Dudley, J.P. 2009. Long Distance Dispersal and Accelerating Waves of Disease: Empirical Relationships. The American Naturalist. 173:456-466.
Virulence structure of the eastern U.S. wheat powdery mildew population - (Peer Reviewed Journal)
Parks, W., Carbone, I., Murphy, J., Marshall, D.S., Cowger, C. 2008. Virulence structure of the eastern U.S. wheat powdery mildew population. Plant Disease. 92:1074-1082.
Frequency of Sexual Recombination by Mycosphaerella graminicola in Mild and Severe Epidemics - (Peer Reviewed Journal)
Cowger, C., Brunner, P.C., Mundt, C.C. 2008. Frequency of Sexual Recombination by Mycosphaerella graminicola in Mild and Severe Epidemics. Phytopathology. 98:752-759.
Blends of Soft Red Winter Wheat Varieties Increased Yield in North Carolina - (Peer Reviewed Journal)
Cowger, C., Weisz, R. 2008. Blends of Soft Red Winter Wheat Varieties Increased Yield in North Carolina. Agronomy Journal. 100:169-177.
Chromosomal location of Pm35, a novel Aegilops tauschii derived powdery mildew resistance gene introgressed into common wheat (Triticum aestivum L.) - (Peer Reviewed Journal)
Miranda, L., Murphy, J., Marshall, D.S., Cowger, C., Leath, S. 2007. Chromosomal location of Pm35, a novel Aegilops tauschii derived powdery mildew resistance gene introgressed into common wheat (Triticum aestivum L.). Theoretical and Applied Genetics. 114:1451-1456.
Spatial Patterns of Trichothecene Genotypes of Gibberella zeae in Wheat Fields - (Abstract Only)
Registration of NC06BGTAG12, and NC06BGTAG13 Powdery Mildew Resistant Wheat Germplasm. - (Peer Reviewed Journal)
Murphy, J.P., Navarro, R.A., Marshall, D.S., Cowger, C., Cox, T., Kolmer, J.A., Leath, S., Gaines, C.S. 2007. Registration of NC06BGTAG12, and NC06BGTAG13 Powdery Mildew Resistant Wheat Germplasm.. Journal of Plant Registrations. 1:75-77.
Artificial Inoculation of Wheat for Selecting Resistance to Stagonospora Nodorum Blotch - (Peer Reviewed Journal)
Cowger, C., Murphy, P. 2007. Artificial Inoculation of Wheat for Selecting Resistance to Stagonospora Nodorum Blotch. Plant Disease. 91:539-545.
FREQUENCY OF PHAEOSPHAERIA NODORUM, THE SEXUAL STAGE OF STAGONOSPORA NODORUM, ON WINTER WHEAT IN NORTH CAROLINA, USA. - (Peer Reviewed Journal)
Cowger, C., Silva-Rojas, H. 2006. Frequency of phaeosphaeria nodorum, the sexual stage of stagonospora nodorum, on winter wheat in north carolina, usa.. Phytopathology. 96:860-866.
Stripe Rust:A Threat to North Carolina Wheat? - (Proceedings)
Wheat Variety Mixtures in North Carolina - (Proceedings)
THE SOUTHEASTERN U.S. FUSARIUM HEAD BLIGHT EPIDEMIC OF 2003 - (Peer Reviewed Journal)
Cowger, C., Sutton, A.L. 2005. The southeastern u.s. fusarium head blight epidemic of 2003. Plant Health Progress. doi:10.1094/PHP-2005-1026-01-RS.
ASSESSMENT OF CULTIVAR MIXTURES AS A TOOL TO MANAGE POWDERY MILDEW DISEASE OF SOFT RED WINTER WHEAT - (Abstract Only)
Cowger, C. 2005. Assessment of cultivar mixtures as a tool to manage powdery mildew disease of soft red winter wheat. Phytopathology.
VELOCITY OF SPREAD OF WHEAT STRIPE RUST EPIDEMICS - (Peer Reviewed Journal)
Cowger, C., Wallace, L., Mundt, C. 2005. Velocity of spread of wheat stripe rust epidemics. Phytopathology. 95:972-982.
SUBMISSION TO GENBANK OF PHAEOSPHAERIA NODORUM SEQUENCE STAN1 18S RIBOSOMAL RNA GENE, PARTIAL SEQUENCE - BANKIT 602597. ()
Silva-Rojas, H.V., Cowger, C. 2004. Submission to genbank of phaeosphaeria nodorum sequence stan1 18s ribosomal rna gene, partial sequence - bankit 602597.. National Center for Biotechnology Information (NCBI).
FREQUENCY OF THE TELEOMORPH OF PHAEOSPHAERIA NODORUM ON WINTER WHEAT IN NORTH CAROLINA, USA - (Abstract Only)
Cowger, C., Silva-Rojas, H. 2004. Frequency of the teleomorph of phaeosphaeria nodorum on winter wheat in north carolina, usa. Phytopathology.
THE FUSARIUM HEAD BLIGHT EPIDEMIC OF 2003 IN THE SOUTHEASTERN UNITED STATES ()
Sutton, A.L., Cowger, C. 2004. The fusarium head blight epidemic of 2003 in the southeastern united states. U.S. Wheat and Barley Scab Initiative Scab News.
SELECTION WITHIN MYCOSPHAERELLA GRAMINICOLA POPULATIONS ()
Mundt, C.C., Cowger, C., Mcdonald, B.A., Zhan, J. 2003. Selection within mycosphaerella graminicola populations. International Symposium on Septoria/Stagonospora Disease of Cereals.
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