Elwin Stewart, Ph.D.

Elwin Stewart, Ph.D.

  • Professor Emeritus
  • Department Head 1993-2002


  • B.A., Biology, Eastern Washington State University
  • Ph.D., Botany (Mycology), Oregon State University


Overton, Barrie E., Elwin L. Stewart, and Nancy G. Wenner. 2006. Manganese oxidation in Petri disease fungi as a novel taxonomic character. Phytopathologia Mediterranea 45: S131-S134.

Overton, Barrie E., Elwin L. Stewart, Xinshun Qu, Nancy G. Wenner, and Barbara J. Christ. 2004. Qualitative Real-time PCR SYBR ® Green detection of Petri disease fungi. Phytopathologia Mediterranea 43:403-410.

Chamberlain, Holly L, Amy Y. Rossman, Elwin L. Stewart, Tauno Ulvinen and Gary J. Samuels. 2004. The stipitate species of Hypocrea (Hypocreales, Hypocreaceae) including Podostroma . Karstenia 44:1-24.

Stewart, Elwin L. and Nancy G. Wenner. 2004. Grapevine decline in Pennsylvania and New York . Wine East July-August:12-21,51-53.

Stewart, E.L., N.G. Wenner and B.E. Hed. 2003. First report of Phaeomoniella chlamydospora in Vitis vinifera, Vitis labrusca and French American Hybrids in Pennsylvania and New York. Plant Disease 87:750.

Johnson, D.A., E.G. Simmons, J.S. Miller and E.L. Stewart. 2002. Taxonomy and pathology of Macrospora/Nimbya on some North American bulrushes (Scirpus spp.) Mycotaxon 84:413-428.

Chaverri, Priscila, Gary J. Samuels, and Elwin L. Stewart. 2001. Hyopcrea virens sp. nov. the teleomorph of Trichoderma virens. Mycologia 93(6):1113-1124.

Chaverri, Priscila, Gary J. Samuels, Elwin L. Stewart, and Loengrin Umanã. 2001. Hyopcrea nigrovirens , a new species with a gliocladium-like anamorph. Mycologia 93(4):758-763.

Stewart, E.L., J.W. Travis, N.G. Wenner, B.E. Hed, M.L. Chien and A.J. Muza. 2001. Grapevine decline in Pennsylvania and New York: a guide to symptoms and understanding the disease. The Pennsylvania State University, Department of Plant Pathology and Cooperative Extension Service, University Park, PA. 6pp.

Stewart, E.L., Zhaowei Liu, Pedro Crous, and Les J. Szabo. 1999. Phylogenetic relationships among some cercosporoid anamorphs of Mycosphaerella based on rDNA sequence analysis. Mycological Research 103(11):1491-1499.

Etebarian, H. R., R. D. Wilcoxson, E. L. Stewart, and R. P. Woodward. 1996. Isozyme patterns of Fusarium culmorum . Iranian J. of Plant Pathology 32(1-2):9-21.

Kuznia, R. A., R. A. Meronuck, and E. L. Stewart. 1994. Effect of seed treatment on stand establishment root necrosis, and yield of Lupinus albus. Plant Disease 77(9):892-895.

Pfleger, F. L., E. L. Stewart, and R. K. Noyd. 1994. Role of VAM fungi in mine land revegetation. In: Mycorrhizae and Plant Health, pp. 47-81. Eds. F. L. Pfleger and R. G. Linderman. American Phytopathological Society Press, St. Paul, MN .

Fatokun, C. A., D. Danesh, N. D. Young, and E. L. Stewart. 1993. Molecular taxonomic relationships in the genus Vigna based on RFLP analysis. Theoretical and Applied Genetics 86:97-104.