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| Web URL(s): | http://www.apsnet.org/publications/PlantDisease/BackIssues/Documents/1991Articles/PlantDisease75n09_883.pdf
Last checked: 08/25/2010
Requires: PDF Reader |
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| Publication Type:
| Refereed |
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| Author(s): | Welty, R. E.;
Barker, R. E.;
Azevedo, M. D. |
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| Author Affiliation: | Agricultural Research Service, United States Department of Agriculture, National Forage Seed Production Research Center, Corvallis, Oregon |
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| Title: | Reaction of tall fescue infected and noninfected by acremonium coenophialum to puccinia gramins subsp. graminicola |
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| Source: | Plant Disease. Vol. 75, No. 9, September 1991, p. 883-886. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| Keywords: | TIC Keywords: Festuca; Acremonium coenophialum; Diseases; Research
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| Abstract/Contents: | "Seedlings of the tall fescue cultivar Kentucky 31 infected or not infected by the endophyte Acremonium coenophalium were evaluated for reaction to Puccinia graminis subsp. graminicola in the greenhouse. Seedlings (11 wk old) were rated for rust infection type (0-4 scale) 2 wk after inoculation with urediniospores. Seedlings rated 0 or 1 were considered resistant and those rated >1, susceptible; 27% of the infected and 19% of the noninfected seedlings were resistant. In a second experiment, 14 seedlings (10 wk old) each of 20 tall fescue cultivars were inoculated and rated; 12 were infected by endophyte and eight were not. Among the infected cultivars, 7% of the seedlings were rated infection type 0, 2% type 1, 7% type 2, 21% type 3, and 63% type 4. Among the noninfected cultivars, 7% of the seedlings were rated infection type 0, 1% type 1, 4% type 2, 17% type 3, and 71% type 4. Based on these observations, the presence of A. coenophialum in seedlings did not influence infection type of P. g. graminicola." |
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| Language: | English |
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| References: | 31 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Welty, R. E., R. E. Barker, and M. D. Azevedo. 1991. Reaction of tall fescue infected and noninfected by acremonium coenophialum to puccinia gramins subsp. graminicola. Plant Dis. 75(9):p. 883-886. |
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| Web URL(s):
http://www.apsnet.org/publications/PlantDisease/BackIssues/Documents/1991Articles/PlantDisease75n09_883.pdf
Last checked: 08/25/2010
Requires: PDF Reader |
| 
MSU catalog number: SB 599 .P95 |
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