Full TGIF Record # 325035
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Web URL(s):https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/143344
    Last checked: 01/31/2023
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Merrick, Brandi C.; Freund, Daniel; Kerns, James P.
Author Affiliation:Merrick: Presenting Author and North Carolina State University; Freund and Kerns: North Carolina State University
Title:Take all root rot response to nitrogen rate and source in ultradwarf bermudagrass
Section:Turfgrass pest management poster: Diseases, insects, weeds I (includes student competition)
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C05 turfgrass science
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Meeting Info.:Baltimore, Maryland: November 6-9, 2022
Source:ASA, CSSA, SSSA International Annual Meeting. 2022, p. 143344.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
# of Pages:1
Abstract/Contents:"Take-all root rot is an increasingly problematic disease in ultradwarf bermudagrass golf course putting greens and has been the most diagnosed disease in bermudagrass at the North Carolina State University Turf Diagnostics Lab every year since 2016; it has also been diagnosed every month of the year. The causal agents of take-all root rot, as well as some methods of management via manganese fertilization and fungicide use and timing, have been well documented; however, work remains to be done on the response to nitrogen rate and source. In this study, ultradwarf bermudagrass plugs were inoculated with Gaeumannomyces graminis and incubated for four weeks before receiving weekly nitrogen applications. After eight weeks, the plugs were harvested, cleaned, evaluated for percent necrosis, dried, and weighed. Samples receiving nitrogen at rates of 146.5 kg N ha-1 (3 lb N/ 1000 ft2-1), 244.12 kg N ha-1 (5 lb N/1000 ft2-1), and 390.59 kg N ha-1 (8 lb N/1000 ft2-1) showed significantly less necrosis than samples receiving 48.8 kg N ha-1 (1 lb N/1000 ft2-1) or none. No significant differences were observed among nitrogen source applications nor among post-drying weights. Increased nitrogen fertilization can help alleviate symptoms of take-all root rot in ultradwarf bermudagrass."
This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Merrick, B. C., D. Freund, and J. P. Kerns. 2022. Take all root rot response to nitrogen rate and source in ultradwarf bermudagrass. Agron. Abr. p. 143344.
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    Last checked: 01/31/2023
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