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| Web URL(s): | https://scisoc.confex.com/scisoc/2023am/meetingapp.cgi/Paper/150231 Last checked: 12/06/2023 |
| Publication Type: | Report |
| Content Type: | Abstract or Summary only |
| Author(s): | Powlen, Jada; Bigelow, Cale |
| Author Affiliation: | Powlen: Presenting Author and Purdue University, West Lafayette, IN; Bigelow: Purdue University, West Lafayette, IN |
| Title: | Renovation practices to reduce disease using brown patch resistant tall fescue cultivars |
| Section: | Turf pest management oral II Other records with the "Turf pest management oral II" Section C05 turfgrass science Other records with the "C05 turfgrass science" Section |
| Meeting Info.: | St. Louis, Missouri: October 29-November 1, 2023 |
| Source: | ASA, CSSA, SSSA International Annual Meeting. 2023, p. 150231. |
| Publishing Information: | [Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America] |
| # of Pages: | 1 |
| Abstract/Contents: | "Brown patch (caused by Rhizoctonia and Rhizoctonia-like species) is a major disease of turf-type tall fescue [Schedonorus arundinaceus (Schreb.) Dumort.], causing severe damage during the summer months. Planting a resistant tall fescue cultivar is an effective cultural management strategy to reduce brown patch; however, complete renovation of a lawn creates challenges for establishment. Information regarding best management practices to overseed an existing lawn to effectively reduce disease remains limited. Thus, a two-year field study was conducted in West Lafayette, IN to evaluate renovation and seeding strategies to reduce brown patch severity in an existing turf-type tall fescue lawn by overseeding a resistant cultivar or blend of resistant cultivars at two seeding rates (294 or 588 kg PLS ha-1). Three overseeding strategies were evaluated; reducing the mowing height from 7.6 cm to 2.5 cm (scalping) and collecting verdure, scalping and vertical mowing, and scalping, vertical mowing, and application of a non-selective herbicide. Turf performance was determined using visual ratings for seasonal appearance/turf quality, percent disease severity, and area under the disease progress curve (AUDPC). The brown patch resistant cultivar and blend improved summer visual quality during both years of evaluation and reduced brown patch AUDPC by 42 and 56% in year one and two, respectively, compared to the existing, brown patch susceptible lawn. Seeding rate and use of single cultivar compared to the blend did not affect visual quality or brown patch severity. In year one, complete renovation practices reduced brown patch AUDPC by 37%; however, differences in among renovation practices in year two were generally not observed. This study reinforces the use of resistant cultivars and blends to reduce brown patch severity and consecutive years of overseeding with resistant cultivars can eliminate the need for a complete renovation strategy to effectively reduce disease." |
| Language: | English |
| References: | 0 |
| See Also: | See also related item, Renovation Practices to Reduce Disease Using Brown Patch Resistant Tall Fescue Cultivars, 2023, R=342720.R=342720 |
| Note: | "387-3" This item is an abstract only! |
| ASA/CSSA/SSSA Citation (Crop Science-like – may be incomplete): | Powlen, J., and C. Bigelow. 2023. Renovation practices to reduce disease using brown patch resistant tall fescue cultivars. Agron. Abr. p. 150231. |
| Fastlink to access this record outside TGIF: | http://tic.msu.edu/tgif/flink/RECNO/333519 |
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| Web URL(s) : | https://scisoc.confex.com/scisoc/2023am/meetingapp.cgi/Paper/150231 Last checked: 12/06/2023 |
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