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| Web URL(s): | http://web.archive.org/web/20061205204057/http://www.uoguelph.ca/GTI/itsweb/proceedings.pdf#page=34 Last checked: 05/23/2017 Requires: Adobe Acrobat Notes: Document is within a single large file |
| Publication Type: | Report |
| Content Type: | Abstract or Summary only |
| Author(s): | Clarke, B. B.; Vaiciunas, S. S. |
| Author Affiliation: | Rutgers University |
| Title: | Best management practices for the control of gray leaf spot |
| Section: | Abstracts Other records with the "Abstracts" Section |
| Meeting Info.: | Toronto, Ontario, Canada: 15-21 July, 2001 |
| Source: | IXth International Turfgrass Research Conference. Vol. 9, 2001, p. 71-72. |
| Publishing Information: | [Toronto, Canada]: International Turfgrass Society |
| # of Pages: | 2 |
| Keywords: | TIC Keywords: Best management practices; Disease control; Gray leaf spot; Lolium perenne; Festuca arundinacea; Stenotaphrum secundatum; Disease severity; Nitrogen; Application rates; Mowing height; Herbicides; Dithiopyr; Ethofumesate; Fungicides; Preventive control; Azoxystrobin; Thiophanate-methyl; Propiconazole; Trifloxystrobin; Chlorothalonil; Comparisons |
| Abstract/Contents: | "Management practices can influence development of gray leaf spot (GLS) on perennial ryegrass (PRG), tall fescue (TF), and St. Augustinegrass (SA). For all three grasses, the severity of GLS typically increases with increasing nitrogen (N) rate above an application rate of 24.4 kg N ha-1. N source has also been reported to affect GLS in PRG and TF, but not SA. Compared to controls, water-soluble N sources can increase the severity of GLS, but slow release N sources may reduce the disease. In a New Jersey study, there was a consistent positive association between mowing height and the severity of GLS, whereas no association was reported in a Kentucky study. Removal of infested clippings does not appear to affect GLS. The herbicides dithiopyr and ethofumesate can increase GLS. Fungicides are most effective when used preventively. Azoxystrobin and thiophanate-methyl are most efficacious, whereas propiconazole, trifloxystrobin, and chlorothalonil often provide good control under moderate GLS pressure. SA and TF germplasm has a range of resistance to GLS, but little natural resistance has been reported for PRG." |
| Language: | English |
| References: | 0 |
| Note: | This item is an abstract only! |
| ASA/CSSA/SSSA Citation (Crop Science-like – may be incomplete): | Clarke, B. B., and S. S. Vaiciunas. 2001. Best management practices for the control of gray leaf spot. Int. Turfgrass Res. Conf. 9:p. 71-72. |
| Fastlink to access this record outside TGIF: | http://tic.msu.edu/tgif/flink/RECNO/74464 |
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| Web URL(s) : | http://web.archive.org/web/20061205204057/http://www.uoguelph.ca/GTI/itsweb/proceedings.pdf#page=34 Last checked: 05/23/2017 Requires: Adobe Acrobat Notes: Document is within a single large file |
| MSU catalog number: | Uncataloged - Ask at TIC |
| Find from within TIC: | Digitally in TIC by file name: intrp2001 |
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