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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 |
Publication Type:
| Report |
Content Type: | Abstract or Summary only |
Author(s): | Harmon, P. F.;
Latin, R. |
Author Affiliation: | Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN |
Title: | Perennation of Magnaporthe grisea in the Midwest: Disease management implications |
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 |
Source: | Phytopathology. Vol. 91, No. 6, June Supplement 2001, p. S148. |
Publishing Information: | St. Paul, MN: American Phytopathological Society |
# of Pages: | 1 |
Keywords: | TIC Keywords: Pyricularia grisea; Disease control; Gray leaf spot; Lolium perenne; Disease development; Time-of-year
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Geographic Terms: | Midwestern United States |
Abstract/Contents: | "The recent evolution of gray leaf spot into a serious disease in parts of the Midwest threatens the use of perennial ryegrass in all turf settings. This research addresses perennation of the pathogen which is presumed to occur in infested turf residue. Knowledge of the extent to which the pathogen population will survive will improve the ability of turf managers to anticipate gray leaf spot outbreaks and manage the disease effectively and efficiently. Our investigatons involve periodic sampling of turf leaf debris infested with M. grisea exposed to winter conditions outdoors and stored in controlled environments. Samples were evaluated for pathogen sporulation potential (SP), a quantitative measure of sporulation on infested debris. Assessing SP through winter and spring will help describe the threat to perennial ryegrass stands during the following summer. Our data suggest that M. grisea populations are substantially reduced during winter months. Further studies should provide a better understanding of perennation and the degree to which it influences subsequent epidemics." |
Language: | English |
References: | 0 |
Note: | This item is an abstract only! |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Harmon, P. F., and R. Latin. 2001. Perennation of Magnaporthe grisea in the Midwest: Disease management implications. 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 |
| MSU catalog number: SB 599 .P48 |
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