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United States Department of Agriculture

Agricultural Research Service

Related Topics

CHRISTINA COWGER
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 for Biotic and Abiotic Stress Tolerance and Characterization of Pathogen Populations
Appropriated (D)
  Accession Number: 424645

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Genetic mapping of 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. Genetic mapping of MlUM15: an Aegilops neglecta-derived powdery mildew resistance gene in common wheat. Crop Science. 54:1397-1406.
Host Resistance - (Book / Chapter) - (01-Jan-14)
Genes conferring sensitivity to Stagonospora nodorum necrotrophic effectors in SNB-susceptible wheat cultivars in the southeastern United States - (Peer Reviewed Journal)
Bertucci, M., Brown Guedira, G.L., Murphy, P., Cowger, C. 2014. Genes conferring sensitivity to Stagonospora nodorum necrotrophic effectors in SNB-susceptible wheat cultivars in the southeastern United States. Plant Disease. 98:746-753.
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 Reprint Icon - (Other)
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) - (01-Dec-06)
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) - (10-Jan-06)
Wheat Variety Mixtures in North Carolina - (Proceedings) - (10-Jan-06)
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. - (Other)
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 - (Government Publication)
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 - (Government Publication)
Mundt, C.C., Cowger, C., Mcdonald, B.A., Zhan, J. 2003. Selection within mycosphaerella graminicola populations. International Symposium on Septoria/Stagonospora Disease of Cereals.
ARS News Articles
Last Modified: 9/10/2014
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