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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-05-20-1031-RE
|2 doi
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|a eng
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| 100 |
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|a Townsend, Ronald
|e verfasserin
|4 aut
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| 245 |
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|a Dollar Spot Suppression on Creeping Bentgrass in Response to Repeated Foliar Nitrogen Applications
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| 264 |
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|c 2021
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 26.02.2021
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|a Date Revised 26.02.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Dollar spot is caused by the fungus Clarireedia spp. and is the most economically important disease of golf course turfgrass in temperate regions of the United States. Previous research has demonstrated that nitrogen (N) fertilization may reduce dollar spot severity, but the results have been inconsistent, and the impact of N as part of repeated foliar fertilization applications to golf course putting greens remains unclear. Two independent trials were replicated in Madison, Wisconsin and Glenview, Illinois in the 2015, 2016, and 2017 growing seasons. The objective of the first trial was to evaluate the effect of four different N rates applied as urea (4.9, 9.8, 19.4, and 29.3 kg N/ha applied every 2 weeks) on dollar spot severity, and the objective of the second trial was to evaluate the effect of three N sources (calcium nitrate, ammonium sulfate, and ammonium nitrate applied every 2 weeks) on dollar spot severity. Results from the N rate trial at both locations indicated that only the highest (29.3 kg N/ha) rate consistently reduced dollar spot severity relative to the nontreated control. Nitrogen source had minimal and inconsistent impacts on dollar spot severity based on location and year. Although these results show that meaningful reductions in dollar spot severity can be achieved by manipulating N fertilizer application rates, the rate of N needed for disease suppression may be impractical for most superintendents to apply and result in undesirable nontarget impacts
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|a Journal Article
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|a dollar spot
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|a fungi
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|a nitrogen
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|a turfgrass
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| 650 |
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|a Nitrogen
|2 NLM
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| 650 |
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|2 NLM
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| 700 |
1 |
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|a Millican, Michael D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Smith, Damon
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nangle, Ed
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hockemeyer, Kurt
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Soldat, Doug
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Koch, Paul L
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 105(2021), 2 vom: 18. Feb., Seite 276-284
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnas
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| 773 |
1 |
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|g volume:105
|g year:2021
|g number:2
|g day:18
|g month:02
|g pages:276-284
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|u http://dx.doi.org/10.1094/PDIS-05-20-1031-RE
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