Full TGIF Record # 70140
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Web URL(s):https://www.plantmanagementnetwork.org/pub/trial/fntests/reports/2000/55-528.pdf
    Last checked: 05/04/2017
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Publication Type:
i
Report
Author(s):Uddin, W.; Soika, M. D.
Author Affiliation:Department of Plant Pathology, The Pennsylvania State University, University Park, Pennsylvania
Title:Evaluation of fungicides for control of Pythium foliar blight, 1999
Section:Turf grass reports
Other records with the "Turf grass reports" Section
Source:Fungicide and Nematicide Tests. Vol. 55, 2000, p. 528.
Publishing Information:St. Paul, MN: American Phytopathological Society
# of Pages:1
Keywords:TIC Keywords: Disease severity; Application rates; Lolium perenne; Pythium diseases; Pythium aphanidermatum; Fungicides; Fungicide evaluation; Disease control; Golf fairways
Cultivar Names:Pennfine
Abstract/Contents:"The study was conducted at the Landscape Management Research Center, University Park, PA, on perennial ryegrass, maintained under golf course fairway management conditions, mowed three times per week at 0.75-inch cutting height. The soil was Hagerstown silt loam with soil pH 6.9. The experimental area was fertilized on 18 May with 1.0 lb nitrogen (Scotts 31-3-10) per 1000 sq ft, 10 Jun with 1.0 lb nitrogen (Nutralene 40-0-0) per 1000 sq ft, and on 21 Jun with 0.5 lb nitrogen (urea 46-0-0) per 1000 sq ft. Lesco Benomyl 50WP was applied at the rate of 2.0 oz per 1000 sq ft on 22 Jun and 3 Jul for control of brown patch. Trimec Classic 3.32EC (1.5 fl oz per 1000 sq ft) was applied on 22 Jun for control of broadleaf weeds. Treatment plots, 3 ft x 7 ft, were arranged in a randomized complete block design with three replications. Preventive treatments were applied on 5 Jul with CO₂-powered boom sprayer using TeeJet 8004 nozzles at 40 psi, in water equivalent to 2 gal per 1000 sq ft. On 7 Jul, two days after treatment, the experimental turf area was enclosed in a 30 ft x 48 ft polyethylene greenhouse to minimize radiational cooling at night. The test area was then inoculated with a mycelial suspension of a 6-isolate pool of Pythium aphanidermatum. Curative treatments were applied on 9 Jul, two days after inoculation. During the experiment, the greenhouse was vented during daylight hours to maintain a temperature range of 85° to 95°F, and closed at night. An internal intermittent misting system provided high relative humidity and leaf surface wetness throughout the experiment. On 16 Jul disease severity was assessed. Data were subjected to analysis of variance and multiple comparisons of the mean values were made using the Waller-Duncan k-ratio test. Throughout the experiment, conditions were highly favorable for disease development. The curative application of Banol, Quell, and the two experimental treatments of AEB066752 provided over 68% control under highly disease-conducive conditions in this experiment. The curative treatment of AEB066752 provided control greater than 83%."
Language:English
References:0
See Also:Other items relating to: Foliar Feeding & Uptake
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Uddin, W., and M. D. Soika. 2000. Evaluation of fungicides for control of Pythium foliar blight, 1999. Fungicide Nematicide Tests. 55:p. 528.
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https://www.plantmanagementnetwork.org/pub/trial/fntests/reports/2000/55-528.pdf
    Last checked: 05/04/2017
    Requires: PDF Reader
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MSU catalog number: SB 951.3 .F82
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