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| Web URL(s): | http://www.apsnet.org/publications/PlantDisease/BackIssues/Documents/1993Articles/PlantDisease77n04_428.pdf
Last checked: 10/13/2015
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): | Elliott, M. L. |
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| Author Affiliation: | Fort Lauderdale Research and Education Center, University of Florida, Fort Lauderdale, Florida |
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| Title: | Association of Magnaporthe poae with a patch disease of creeping bentgrass in Florida |
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| Source: | Plant Disease. Vol. 77, No. 4, April 1993, p. 429. |
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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: Magnaporthe poae; Agrostis stolonifera; Patch diseases; Heat stress; Necrotic ring spot
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| Geographic Terms: | Florida |
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| Abstract/Contents: | "During the summer months, pure creeping bentgrass (Agrostis stolonifera L.) golf course putting greens at Orlando (1987) and Palm Beach (1991) showed typical patch disease symptoms, including irregular chlorotic or necrotic patches (30 to 60 cm in diameter) containing wilted plants with rotted roots colonized by a dark, ectotrophic fungus. This fungus was isolated from symptomatic roots at each location by means of selective (SM-7) and nonselective (PDA with streptomycin) media. Teleomorphs were produced on wheat grown on water agar only and inoculated with an opposing mating type (ATCC 64411 and 64412) of Magnaporthe poae Landschoot & Jackson (1). Both M. poae mating types were isolated, "A" in Orlando and "a" in Palm Beach. In greenhouse studies, Koch's postulates were satisfied with bentgrass cultivars Penncross and SR-1020 grown in sterilized soil for 3 mo, then infested with the pathogen and incubated at temperatures greater than 28 C. After 6-8 wk, plants appeared wilted and roots were black and rotted. Because of their intolerance to high temperatures and humidity, Agrostis spp. are not recommended for putting greens in the subtropical climate of Florida. Furthermore, M. poae appears to be pathogenic to bentgrass under these conditions, although pathogenicity has yet to be proved in the field. This is the first report of an association of M. poae with a patch disease of bentgrass." |
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| Language: | English |
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| References: | 1 |
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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):
Elliott, M. L. 1993. Association of Magnaporthe poae with a patch disease of creeping bentgrass in Florida. Plant Dis. 77(4):p. 429. |
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| Web URL(s):
http://www.apsnet.org/publications/PlantDisease/BackIssues/Documents/1993Articles/PlantDisease77n04_428.pdf
Last checked: 10/13/2015
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: SB 599 .P95 |
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