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| Web URL(s): | http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2000.90.6.S91#page=7
Last checked: 10/16/2015
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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): | Tisserat, N. A. |
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| Author Affiliation: | Kansas State University, Manhattan, KS |
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| Title: | Diagnosis of turfgrass diseases caused by Ophiosphaerella species |
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| Section: | Abstracts of special session presentations at the 2000 APS annual meeting: Diseases of plants/diagnosis: Symposium: Approaches for diagnosing turfgrass diseases
Other records with the "Abstracts of special session presentations at the 2000 APS annual meeting: Diseases of plants/diagnosis: Symposium: Approaches for diagnosing turfgrass diseases" Section
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| Meeting Info.: | APS Annual Meeting, New Orleans, LA, August 12-16, 2000 |
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| Source: | Phytopathology. Vol. 90, No. 6, June 2000, p. S97. |
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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: Disease identification; Ophiosphaerella korrae; Ophiosphaerella narmari; Ophiosphaerella herpotricha; Symptoms; Disease profile
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| Abstract/Contents: | "Several species of Ophiosphaerella cuase patch diseases of turfgrasses. O. herpotricha, O.korrae (= Leptosphaeria korrae), and O. narmari (= L. narmari) are causes of spring dead spot of bermudagrass. O. korrae is also responsible for a patch disease of Kentucky bluegrass called necrotic ringspot. In both diseases, roots initially are covered with darkly pigmented, ectotrophic runner hyphae. Sclerotia also form on crowns, stolons and occasionally roots. Infected roots eventually rot, resulting in the formation of circular or ringlike patches of dead turfgrass. These species may be differentiated by ascospore morphology, but ascocarps are rarely seen in nature and cannot easily be induced in certain isolates. Furthermore, characteristics of these fungi in culture, including colony morphology, color and growth rate are not unique and cannot consistently be used for identification. Currently, the best means of distinguishing these fungi is the selective amplification of DNA, extracted from infected roots or fungal cultures, with species-specific PCR primers. Recently, an undescribed Ophiosphaerella species was reported to cause small patches in creeping bentgrass and bermudagrass. The disease can be diagnosed by the presence of numerous black pseudothecia embedded in rotted leaf and stolon tissues." |
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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):
Tisserat, N. A. 2000. Diagnosis of turfgrass diseases caused by Ophiosphaerella species. Phytopathology. 90(6):p. S97. |
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| Web URL(s):
http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2000.90.6.S91#page=7
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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