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| Web URL(s): | http://www.apsnet.org/publications/phytopathology/backissues/Documents/1984Articles/phyto74n07_789.pdf#page=24
Last checked: 10/15/2015
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): | Endo, R. M.;
Ohr, H. D.;
Krausman, E. M. |
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| Author Affiliation: | Dept. of Plant Pathology, University of California, Riverside, CA |
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| Title: | The cause of the Spring Dead Spot disease (SDS) of Cynodon dactylon (L.) Pers. in California |
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| Source: | Phytopathology. Vol. 74, No. 7, July 1984, p. 812. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| Keywords: | TIC Keywords: Spring dead spot; Diseases; Cynodon dactylon; Dormancy; Spring; Disease control; Ophiosphaerella korrae; Conidia
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| Geographic Terms: | California, USA |
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| Abstract/Contents: | "The SDS disease appears as circular dead patches in the spring as the bermudagrass recovers from winter dormancy. A black to brown rot affects all the cells and tissues of the roots, stolons, rhizomes and lower culm bases. The causal fungus grows as hyphae on the surface of these organs. The presence of the dry rot, of external, round, brown sclerotia on the surfaces of the stolons, rhizomes and lower culm bases and of internal, elongated, brown sclerotia in the cortex of the roots are diagnostic for the disease. Koch's postulates were successfully completed with an ascospore isolate of Leptosphaeria korrae and two sterile isolates of an unidentified fungus which resumbles L. korrae. The disease developed much more severely at 13 than at 24 C. Although L. korrae occasionally produces ascospores within pseudothecia, it does not produce conidia. The bermudagrass cultivars Tifgreen, Common and Santa Ana are susceptible." |
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| Language: | English |
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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):
Endo, R. M., H. D. Ohr, and E. M. Krausman. 1984. The cause of the Spring Dead Spot disease (SDS) of Cynodon dactylon (L.) Pers. in California. Phytopathology. 74(7):p. 812. |
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| Web URL(s):
http://www.apsnet.org/publications/phytopathology/backissues/Documents/1984Articles/phyto74n07_789.pdf#page=24
Last checked: 10/15/2015
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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