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| Web URL(s): | http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2001.91.6.S147#page=2
Last checked: 10/16/2015
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Viji, G.;
Uddin, W.;
Wu, B.;
Kang, S.;
Huff, D. R. |
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| Author Affiliation: | Viji, Uddin, Wu, Kang: Department of Plant Pathology, The Pennslyvania State University, University Park, PA; Huff: Department of Agronomy, The Pennslyvania State University, University Park, PA |
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| Title: | Population structure and host specificity of Magnaporthe grisea causing gray leaf spot (blast) of perennial ryegrass |
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| Section: | Biology of Magnaporthe grisea on turfgrass
Other records with the "Biology of Magnaporthe grisea on turfgrass" Section
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| Meeting Info.: | 2001 APS/MSA/SON Joint Meeting, Salt Lake City, Utah: August 25-29, 2001 |
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| Source: | Phytopathology. Vol. 91, No. 6, June Supplement 2001, p. S148. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Pyricularia grisea; Gray leaf spot; Lolium perenne; Molecular biology; Triticum aestivum; Genes; Ribonucleic acid; Oryza sativa; Disease control; Population dynamics; Genetic markers
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| Abstract/Contents: | "Isolates of Magnaporthe grisea causing gray leaf spot of perennial ryegrass (PR) were characterized using molecular markers and pathogenicity assays on various gramineous hosts. Phylogenetic analyses using Pot2 and MGR586 probes, analyzed with AMOVA, showed that these isolates consist of three lineages. All the isolates belonged to a single mating type, MAT1-2. Of the 20 isolates from 16 hosts other than PR, only the isolates from wheat showed notable similarity to the PR isolates based on their Pot2 fingerprints. The PR isolates had the same sequence in the internal transcribed spacer of the genes encoding ribosomal RNA as that of the wheat isolates, but exhibited sequence polymorphisms to that of rice isolates. In pathogenicity assays, the PR isolates were highly virulent on triticale and several wheat types. None of the PR isolates caused the disease on rice and vice versa. Understanding the population structure and genetic relatedness of M. grisea from PR may aid in management of gray leaf spot of PR." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Viji, G., W. Uddin, B. Wu, S. Kang, and D. R. Huff. 2001. Population structure and host specificity of Magnaporthe grisea causing gray leaf spot (blast) of perennial ryegrass. Phytopathology. 91(6):p. S148. |
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| Web URL(s):
http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2001.91.6.S147#page=2
Last checked: 10/16/2015
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: SB 599 .P48 |
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