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| Web URL(s): | https://www.plantmanagementnetwork.org/pub/trial/PDMR/reports/2011/T029.pdf
Last checked: 11/14/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Report |
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| Author(s): | Campbell-Nelson, K.;
Jung, G.;
Popko, J.;
Ho Ok, C. |
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| Author Affiliation: | Dept of Pant [Plant], Soil, & Insect Sciences, University of Massachusetts, Amherst, MA |
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| Title: | Brown patch control on a colonial bentgrass and annual bluegrass fairway, summer 2010 |
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| Section: | Turfgrass
Other records with the "Turfgrass" Section
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| Source: | PDMR: Plant Disease Management Reports. Vol. 5, 2011, p. T029. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Agrostis tenuis; Boscalid + Pyraclostrobin; Fungicide evaluation; Organic fertilizers; Poa annua; Pyraclostrobin; Rhizoctonia solani; Triticonazole
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| Trade Names: | Honor; Insignia; Trinity |
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| Abstract/Contents: | "This trial was conducted at the Joseph Troll Turf Research Center in South Deerfield, MA to evaluate fungicide treatments and other products for control of brown patch under natural disease conditions. The plot consists of colonial bentgrass and annual bluegrass maintained under fairway conditions; mowed at a height of 0.375-in. three times per week with the clippings removed. 24-0-10 was applied as a granular fertilizer at a rate of 1 lb nitrogen (N)/1,000 ft2 on 1 Jun and 1 Jul. Trimec Bentgrass Formula was applied on 25 May to control broadleaf weeds at 1.5 fl oz/1,000 ft2. Dursban was applied at a rate of 1.5 oz/1,000 ft2 on 17 Jun to control annual bluegrass weevil. The site was irrigated as needed to prevent drought stress. Individual plots measured 3x6 ft and were arranged in a randomized complete block design with three replications per treatment. Treatments were applied based on label or suggested rates, and initiated on 11 Jun continuing at 7- to 21-day intervals until 15 Jul. Individual treatments were applied at a nozzle pressure of 40 psi using a CO2-pressurized boom sprayer equipped with two XR TeeJet 8004VS nozzles in the equivalent of 2 gallons of water per 1,000 ft2. Weekly ratings of percent area infected were made beginning 11 Jun immediately prior to the first application and ending 29 Jul; 14 days after the last application. A secondary disease rating of dollar spot infection centers was made on 15, 23 and 29 Jul when symptoms were present. Only rating dates showing significant differences among treatments are shown on the table. The product TB (6-0-0) is an organic fertilizer that contains lysine and liquid compost and was not significantly different from the untreated on four rating dates for brown patch and one rating date for dollar spot. The product Affirm 11.3WG containing the active ingredient polyoxin-D zinc salt provided control of brown patch but not of the secondary disease dollar spot, which was expected since it is not labeled for dollar spot control. All fungicide treatments controlled brown patch significantly better than the untreated and TB (6-0-0)." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is as abstract and tables only!
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Campbell-Nelson, K., G. Jung, J. Popko, and C. Ho Ok. 2011. Brown patch control on a colonial bentgrass and annual bluegrass fairway, summer 2010. PDMR: Plant Dis. Manage. Rep. 5:p. T029. |
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| Web URL(s):
https://www.plantmanagementnetwork.org/pub/trial/PDMR/reports/2011/T029.pdf
Last checked: 11/14/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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