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| Web URL(s): | https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/120446
Last checked: 12/03/2019
Requires: JavaScript
https://archive.lib.msu.edu/tic/groot/article/2019jul.pdf
Last checked: 01/15/2020
Requires: PDF Reader
Notes: Item is within a single large file; The Grass Roots reprint; Direct download |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | McDonald, Brian W.;
Braithwaite, Emily T.;
Kowalewski, Alec;
Mattox, Clint |
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| Author Affiliation: | McDonald and Mattox: Oregon State University, Corvallis, OR; Braithwaite and Kowalewski: Horticulture, Oregon State University, Corvallis, OR |
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| Title: | Effects of nitrogen, phosphorus, and potassium rates on Microdochium patch |
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| Section: | C05 turfgrass science
Other records with the "C05 turfgrass science" Section
Turfgrass pest management poster: Diseases, insects, weeds (includes student competition)
Other records with the "Turfgrass pest management poster: Diseases, insects, weeds (includes student competition)" Section
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| Meeting Info.: | San Antonio, Texas: November 10-13, 2019 |
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| Source: | ASA, CSSA and SSSA International Annual Meetings. 2019, p. 120446. |
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| Publishing Information: | [Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America] |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Application rates; Disease control; Disease stress; Microdochium patch; Nitrogen fertilization; Phosphorus fertilizers; Poa annua turf; Potassium fertilizers; Sand-based golf greens
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| Abstract/Contents: | "Research on primary nutrient nitrogen (N), phosphorus (P) and potassium (K) ratios have suggested that maintaining the proper balance of the nutrients is critical to disease mitigation. However, research on N, P, and K ratios relevant to annual bluegrass and Microdochium patch is not available. The objective of this research is to evaluate the effects of fall through spring monthly applications of N (9.8 & 4.9 kg N ha-1), P (0 & 1.22 kg P ha-1), and K (0 & 4.9 K ha-1), on Microdochium patch development within an annual bluegrass putting green. A two year field research trial was initiated in September 2017 with the second year completed in May of 2019. The trial was located on a 100% USGA sand putting green which was constructed in 2009 at the Lewis-Brown Horticulture Farm, Corvallis, OR. Experimental design is a 2 by 2 by 2 factorial randomized complete block design with four replications; factors include nitrogen rate, phosphorus rate, and potassium rate. To reduce the disease pressure, all treatments received monthly applications fall through spring of phosphorous acid (Duraphite 12 applied at 3.7 kg H3PO3 ha-1 in year 1 and 7.4 kg H3PO3 ha-1 in year 2) and sulfur (Sulfur DF applied at 12 kg S ha-1). Traditional fungicides were not applied to this experiment, except for summer anthracnose control. In both years, N applied alone resulted in more disease. In year 1, the high rate of N resulted in more disease, but in year 2, the low rate of N had more disease. In year 1, potassium applied at a rate of 4.9 kg N ha-1 reduced percent disease when compared to treatments that did not receive K. In both years, the main effect of P rate and the interactions between N, P and K were not significant." |
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| Language: | English |
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| References: | 0 |
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| See Also: | Updated version appears in International Turfgrass Society Research Journal, 14(1) June 2022, p. 985-988, R=321497. R=321497
See also related abstract "Effects of nitrogen, phosphate, and potassium rates on Microdochium patch" ASA, CSSA and SSSA International Annual Meetings, 2018, p. 113304, R=302058. R=302058 |
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| Note: | Reprint appears in The Grass Roots, 48(4) July/August 2019, p. 32
This item is an abstract only!
"181"
"Poster #1623" |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
McDonald, B. W., E. T. Braithwaite, A. Kowalewski, and C. Mattox. 2019. Effects of nitrogen, phosphorus, and potassium rates on Microdochium patch. Agron. Abr. p. 120446. |
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| Web URL(s):
https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/120446
Last checked: 12/03/2019
Requires: JavaScript
https://archive.lib.msu.edu/tic/groot/article/2019jul.pdf
Last checked: 01/15/2020
Requires: PDF Reader
Notes: Item is within a single large file; The Grass Roots reprint; Direct download |
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