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Web URL(s): | http://www.apsnet.org/publications/phytopathology/backissues/Documents/1985Articles/phyto75n11_1275.pdf#page=11 Last checked: 10/15/2015 Requires: PDF Reader Notes: Item is within a single large file |
Publication Type:
| Report |
Content Type: | Abstract or Summary only |
Author(s): | Murray, J. J.;
Davis, R. E.;
Hurtt, S. S. |
Author Affiliation: | Agricultural Research Service, USDA |
Title: | Exotic diseases in zoysiagrass collected in the Orient |
Source: | Phytopathology. Vol. 75, No. 11, November 1985, p. 1286. |
Publishing Information: | St. Paul, MN: American Phytopathological Society |
Keywords: | TIC Keywords: Zoysia; Diseases; Acari
|
Geographic Terms: | Orient |
Abstract/Contents: | "Approximately 800 zoysiagrass specimens were collected in the Orient and increased in the greenhouse in 1982. Symptoms of three exotic diseases were found on 200 of 2600 plants. A mosaic was associated with pinwheel inclusions indicative of potyviruses; the agent of a dwarfing disease was not identified. The most severe symptoms were irregular chlorotic streaks and spots on leaves which frequently rolled along one margin. Expanding leaf tips were caught in leaf sheaths, forming loops. The agent of the chlorotic leaf rool was rapidly transmitted in the greenhouse among contiguous pots of mature zoysia, to seedlings, and to healthy plugs from the field. Warm temperatures (29.5C) enhanced symptoms severity, especially in plants previously maintained at 18.5C. Hot water treatment (20 min at 49C) of zoysiagrass nodes eradicated chlorotic leaf roll in all accessions. The causal agent was subsequently found to be a previously undescribed species of eriophyid mite." |
Language: | English |
References: | 0 |
Note: | "Abstracts of presentations at the 1985 Annual Meeting of the American Phytopathological Society" This item is an abstract only! |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Murray, J. J., R. E. Davis, and S. S. Hurtt. 1985. Exotic diseases in zoysiagrass collected in the Orient. Phytopathology. 75(11):p. 1286. |
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| Web URL(s): http://www.apsnet.org/publications/phytopathology/backissues/Documents/1985Articles/phyto75n11_1275.pdf#page=11 Last checked: 10/15/2015 Requires: PDF Reader Notes: Item is within a single large file |
| MSU catalog number: SB 599 .P48 |
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