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| Web URL(s): | https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/143605 Last checked: 01/31/2023 Requires: JavaScript; HTML5 |
| Publication Type: | Report |
| Content Type: | Abstract or Summary only |
| Author(s): | Sledge, Brenden |
| Author Affiliation: | North Carolina State University |
| Title: | Developing effective preventative fungicide timings for large patch control in mulitple warm season turfgrass species |
| Section: | Turfgrass pest management poster: Diseases, insects, weeds I (includes student competition) Other records with the "Turfgrass pest management poster: Diseases, insects, weeds I (includes student competition)" Section C05 turfgrass science Other records with the "C05 turfgrass science" Section |
| Meeting Info.: | Baltimore, Maryland: November 6-9, 2022 |
| Source: | ASA, CSSA, SSSA International Annual Meeting. 2022, p. 143605. |
| Publishing Information: | [Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America] |
| # of Pages: | 1 |
| Abstract/Contents: | "Large patch on turfgrass is caused by the fungus Rhizoctonia solani and is a common disease that afflicts warm season grasses all over the world. Despite how common this disease is, the effectiveness of modern fungicides has created gaps in research on the management of large patch. Field research was initiated, 17 August 2021 in Raleigh, NC (Lake Wheeler Turfgrass Field Laboratory) in order to determine the optimum fungicide application timing to suppress large patch development. Azoxystrobin (Heritage®) and flutolanil (PedigreeTM) were spray applied to 'zeon' zoysiagrass (Zoysia matrella) and 'Raleigh' St. Augustinegrass (Stenotaphrum secundatum) in two applications four weeks apart at 18.3,21.1,23.9 and 26.7°C soil temperatures in the fall and spring applications at 12.8,15.6,18.3,21.1°C. We found no significant evidence that timing affects spring applications. For fall applications we found that 65F applications were the most effective at slowing disease progression. St. Augustine developed disease symptoms earlier than Zoysia giving evidence that it may benefit more from an earlier spray regimen. Over the year we will do another set of trials and compare it to our temperature assay to gather more data. Large patch is being reported more often in the southeast USA and is expected to become more prevalent due to climate change. These studies are important given that many fungicide recommendations and studies are calendar based which are due to change given changing climate conditions. Switching to a soil temperature-based system may allow for more effective disease treatment." |
| Language: | English |
| References: | 0 |
| Note: | "204" This item is an abstract only! |
| ASA/CSSA/SSSA Citation (Crop Science-like – may be incomplete): | Sledge, B. 2022. Developing effective preventative fungicide timings for large patch control in mulitple warm season turfgrass species. Agron. Abr. p. 143605. |
| Fastlink to access this record outside TGIF: | http://tic.msu.edu/tgif/flink/RECNO/325036 |
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| Web URL(s) : | https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/143605 Last checked: 01/31/2023 Requires: JavaScript; HTML5 |
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