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| Web URL(s): | https://www.plantmanagementnetwork.org/pub/trial/fntests/reports/2000/55-533.pdf
Last checked: 05/04/2017
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Author(s): | Watkins, J. E.;
Wit, L. A. |
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| Author Affiliation: | Watkins: Department of Plant Pathology; and Wit: Department of Horticulture, University of Nebraska, Lincoln, Nebraska |
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| Title: | Fungicides evaluated for control of brown patch, 1999 |
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| Section: | Turf grass reports
Other records with the "Turf grass reports" Section
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| Source: | Fungicide and Nematicide Tests. Vol. 55, 2000, p. 533. |
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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: Disease severity; Application rates; Lolium perenne; Brown patch; Rhizoctonia solani; Fungicides; Fungicide evaluation; Fungicide combinations; Disease control
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| Abstract/Contents: | "Plots were located on a blend of perennial ryegrasses at the John Seaton Anderson Turf and Ornamental Research Facility at the University of Nebraska Agricultural Research and Development Center near Mead, NE. Plots were mowed three times weekly at a height of 1.5 in. and irrigated to maintain at 100% ETp. Preemergence weed control was with Tupersan at 8 lb/acre applied in early May. The experimental area was inoculated in early Jul and again in mid-Jul with Rhizoctonia solani cultured on sterilized tall fescue seed. The inoculum was applied with a 4-ft Gandy drop spreader calibrated to deliver 2 lb tall fescue inoculum per 1000 sq ft. After inoculation the area was covered with Seed Guard (A.M. Leonard, Inc., Piqua, OH) for 48 hr to encourage disease development. Seed Guard is a white spun-bound polypropylene material used in turfgrass establishment to increase seed germination. Preventive fungicide treatments were applied to 25 sq ft plots using a CO₂ pressurized (30 psi) backpack sprayer with a flat fan nozzle. The sprayer was calibrated to deliver 5 gal spray solution per 1000 sq ft. Three replications per treatment were arranged in a randomized complete block design. Precipitation was above normal in Apr and May and below normal in Jun to Sep. Temperatures were above normal during Jul with an intermittent cool period in early Aug. Soil type at this site is a Sharpsburg silty clay loam wit a pH of 7.2. Sulfur-coated urea (32-0-0) was applied in mid-Jun at 1 lb. N/1000 sq ft. Brown patch was moderately severe during Jul and moderate during Aug. Initial fungicide treatments were applied prior to the onset of brown patch symptoms. Several treatments had significantly less brown patch than the nontreated check. Compass 50WG applied on a 21-day schedule was not as effective as the other products tested on a 14-day treatment interval. The performance of Heritage 50WG, ProStar 70WP, Bayleton 50DF, Chipco 26GT, Eagle 40W and Banner MAXX were similar for both evaluation dates." |
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| Language: | English |
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| References: | 0 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Watkins, J. E., and L. A. Wit. 2000. Fungicides evaluated for control of brown patch, 1999. Fungicide Nematicide Tests. 55:p. 533. |
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| Web URL(s):
https://www.plantmanagementnetwork.org/pub/trial/fntests/reports/2000/55-533.pdf
Last checked: 05/04/2017
Requires: PDF Reader |
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MSU catalog number: SB 951.3 .F82 |
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