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Web URL(s): | http://usgatero.msu.edu/v08/n03.pdf Last checked: 30/04/2009 Requires: PDF Reader |
Publication Type:
| Report |
Author(s): | Walker, Nathan R.;
Mitchell, Thomas K.;
Marek, Stephen M.;
Wu, Yanqi |
Author Affiliation: | Walker: Associate Professor, Department of Entomology and Plant Pathology, Oklahoma State University, Stillwater, Oklahoma; Mitchell: Assistant Professor, Department of Plant Pathology, The Ohio State University, Columbus, Ohio; Marek and Wu: Assistant Professors, Department of Plant and Soil Sciences, Oklahoma State University, Stillwater, Oklahoma |
Title: | Host infection and colonization by a causal agent of spring dead spot of bermudagrass |
Source: | USGA Turfgrass and Environmental Research Online. Vol. 8, No. 3, February 1 2009, p. [1-6]. |
Publishing Information: | Far Hills, NJ: United States Golf Association, Green Section |
# of Pages: | 8 |
Keywords: | TIC Keywords: Spring dead spot; Host plant resistance; Cynodon transvaalensis; Agrobacterium tumefaciens; Ophiosphaerella herpotricha; Infection
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Abstract/Contents: | "Researchers at Oklahoma State University used an Agrobacterium tumefaciens (the bacterium that causes crown gall on broadleaf plants)-mediated transformation method to transform the Ophiosphaerella herpotricha to express either the Green Florescent Protein or red florescent protein in this fungal pathogen that causes spring dead spot in bermudagrass. The study was conducted to advance the understanding of the interaction between O. herpotricha and its bermudagrass hosts (e.g. how different host tissues and organs react to infection) in order to provide a rational basis for the development of strategies for more effective disease control of this important disease of bermudagrass. The studys accomplishments included: Two fluorescent transgenic fungi were generated. These fluorescent fungi were used to study the progression of disease in bermudagrass varieties that differ in susceptibility to the disease. These studies were expanded to include an accession of Cynodon transvaalensis, one of the parents used to generate hybrid bermudagrass. A susceptible variety displayed more extensive cell necrosis associated with fungal invasion than that observed for more resistant or tolerant varieties. This information will be used to enhance traditional breeding efforts at Oklahoma State University to improve host-plant resistance." |
Language: | English |
References: | 5 |
See Also: | Other Reports from this USGA research project: 2006-05-313 |
Note: | Summary as abstract Pictures, color & b/w |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Walker, N. R., T. K. Mitchell, S. M. Marek, and Y. Wu. 2009. Host infection and colonization by a causal agent of spring dead spot of bermudagrass. USGA Turfgrass Environ. Res. Online. 8(3):p. [1-6]. |
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| Web URL(s): http://usgatero.msu.edu/v08/n03.pdf Last checked: 30/04/2009 Requires: PDF Reader |
| MSU catalog number: b3952822a |
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