Full TGIF Record # 324889
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Web URL(s):https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/143917
    Last checked: 01/24/2023
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Franks, Ashton; Fontanier, Charles Henry; Walker, Nathan; Xiang, Mingying; Martin, Dennis L.
Author Affiliation:Franks: Presenting Author and Oklahoma State University; Fontanier, Walker, Xiang and Martin: Oklahoma State University
Title:Effects of nitrogen and Musketeer turf growth regulator on Agrostis stolonifera performance and dollar spot severity
Section:Golf turf management oral: cultural practices, physiology, and water (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. 143917.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
# of Pages:1
Abstract/Contents:"Dollar spot, caused by Clarireedia Jacksonii, is an economically important disease for golf course putting greens, fairways, and tee boxes. Dollar spot severity can be influenced by weather patterns, cultivar, and management practices. Newer cultivars are often marketed as having improved dollar spot resistance. To develop optimal N and plant growth regulator rates for a transition zone climate, a two-year field study was conducted on a '777' creeping bentgrass (Agrostis stolonifera) sand-based putting green in Stillwater, OK. Plots (2.4m ┼ĺ 0.9m) were arranged as a randomized complete block design having 3 replications. Treatments were assigned as four rates of Musketeer (0,0.9,1.3,1.6 L/ha) in full factorial with five rates of N (0,4.9,9.8,14.7,19.5 kg/ha) sprayed on a biweekly schedule consisting of 10 applications starting May 3 each year. Visual turfgrass quality, normalized difference vegetation index, green coverage, and disease counts were measured weekly. Ball roll distance was measured at seven days after application in 2021 and at 3 and 7 days after application in 2022. Rooting mass was measured in August of each year. The high N rates (14.7 and 19.5 kg/ha) reduced dollar spot disease counts by 50% on some assessment dates. Higher N rates also increased turfgrass color while decreasing ball roll distance. Musketeer enhanced turfgrass quality and color but did not have any effect on ball roll distance or disease count. Musketeer decreased root mass at the high rate. The middle rates of Musketeer (1.3 L/ha) and N (9.8 kg/ha) were considered the best treatment combination for aesthetics, ball roll distance, and disease incidence."
This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Franks, A., C. H. Fontanier, N. Walker, M. Xiang, and D. L. Martin. 2022. Effects of nitrogen and Musketeer turf growth regulator on Agrostis stolonifera performance and dollar spot severity. Agron. Abr. p. 143917.
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    Last checked: 01/24/2023
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