Full TGIF Record # 321497
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DOI:10.1002/its2.28
Web URL(s):https://onlinelibrary.wiley.com/doi/10.1002/its2.28
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Publication Type:
i
Refereed
Author(s):McDonald, Brian; Kowalewski, Alec; Mattox, Clint; Braithwaite, Emily; Schmid, Charles
Author Affiliation:Department of Horticulture, Oregon State University, Corvallis, OR
Title:Effects of nitrogen, phosphorus and potassium rates on Microdochium patch
Section:Turfgrass disease and insect pest management - Short communication
Other records with the "Turfgrass disease and insect pest management - Short communication" Section
Source:International Turfgrass Society Research Journal. Vol. 14, No. 1, June 2022, p. 985-988.
# of Pages:4
Publishing Information:s.l.: International Turfgrass Society
Abstract/Contents:"Research on nitrogen (N), phosphorus (P) and potassium (K) ratios have suggested that maintaining the proper balance of those nutrients is critical to disease mitigation. However, research on N, P, and K ratios relevant to annual bluegrass (Poa annua L.) and Microdochium patch (Microdochium nivale) is not available. The objective of this research was to evaluate the effects of winter-applied N, P, and K rates in combination with sulfur and phosphorous acid on Microdochium patch development within an annual bluegrass putting green in the absence of traditional fungicides. Field research was conducted from October 2018 to April 2019 on a mature sand-based annual bluegrass putting green. Factors included monthly applications of urea nitrogen (46-0-0) rate (4.9 kg N ha-1 and 9.8 kg N ha-1), phosphorus rate (0.0 kg P ha-1 and 1.22 kg P ha-1), and potassium rate (0.0 kg K ha-1 and 4.9 kg N ha-1). To avoid extreme disease levels, all of these treatments received monthly applications of phosphorous acid. When comparing nitrogen treatments across both rates vs. nitrogen combined with P, K or both, disease levels decreased from 9.9 percent (urea only) to 5.5 percent (urea with P, K, or both). Additionally, when nitrogen rates increased from 4.9 kg N ha-1 to 9.8 kg N ha-1, the percent disease decreased from 8.4 to 4.8 percent. Findings from this project suggest that applying nitrogen only as urea will lead to more Microdochium patch vs. applying urea with P, K, or both, and nitrogen applied at the higher rate will decrease Microdochium patch incidence."
Language:English
References:13
See Also:See also related abstract "Effects of nitrogen, phosphate, and potassium rates on Microdochium patch" ASA, CSSA and SSSA International Annual Meetings, 2019, p. 120446, R=309557. R=309557

See also related abstract Effects of nitrogen, phosphorus, and potassium rates on Microdochium patch" ASA, CSSA and SSSA International Annual Meetings, 2018, p. 113304, R=302058. R=302058
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Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
McDonald, B., A. Kowalewski, C. Mattox, E. Braithwaite, and C. Schmid. 2022. Effects of nitrogen, phosphorus and potassium rates on Microdochium patch. Int. Turfgrass Soc. Res. J. 14(1):p. 985-988.
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DOI: 10.1002/its2.28
Web URL(s):
https://onlinelibrary.wiley.com/doi/10.1002/its2.28
    Last checked: 09/12/2022
    Access conditions: Item is within a limited-access website
https://onlinelibrary.wiley.com/doi/epdf/10.1002/its2.28
    Last checked: 09/12/2022
    Requires: JavaScript
    Access conditions: Item is within a limited-access website
https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/its2.28
    Last checked: 09/12/2022
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    Access conditions: Item is within a limited-access website
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