Full TGIF Record # 21445
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Soika, M. D.; Sanders, P. L.
Author Affiliation:Dept. of Plant Pathology, The Pennsylvania State University, University Park, Pennsylvania
Title:Evaluation of fungicides for control of dollar spot, brown patch, and associated algal proliferation, 1990
Source:Fungicide and Nematicide Tests. Vol. 46, 1991, p. 305.
Publishing Information:St. Paul, MN: American Phytopathological Society
# of Pages:1
Keywords:TIC Keywords: Fungicide evaluation; Fungicides; Agrostis stolonifera; Dollar spot; Sclerotinia homoeocarpa; Rhizoctonia solani; Brown patch; Disease control; Diseases; Research; Algae; Fenarimol; Chlorothalonil; Thiram; Vinclozolin
Geographic Terms:Pennsylvania
Abstract/Contents:"This evaluation was conducted at the Valentine Turfgrass Research Center, University Park, PA, on creeping bentgrass maintained under golf course greens management conditions, at 0.16 inch cutting height. The test area was fertilized on 24 Apr and 10 Jul with 1.0 lb N per 1000 sq ft (Lesco 32-3-10). Individual plots, 3 ft x 15 ft, were arranged in a randomized complete block design with three replications. The experimental area was inoculated on 11 Jun and 10 Jul by handscattering S. homoeocarpa-infected rye grain over the entire test area. Treatments were applied with a CO2-powered boom sprayer, using T-jet 8004 nozzles, at 30 psi, in water equivalent to 2 gal per 1000 sq ft. Granular formulations were hand-scattered from a shaker-top jar. Applications were made on 5 and 19 Jun, and 1 Aug except as noted in the table. Brown patch was visually evaluated on 16 Jul, dollar spot on 30 Jul, and algal intensity on 6 Aug. Data obtained were subjected to analysis of variance and Waller-Duncan K-ratio t test. The majority of the chemicals tested provided excellent suppression of dollar spot. In control of brown patch, many of the experimental fungicides in the trial performed as well as standard registered fungicides. Although statistical separation of the data on algal intensity was poor, it would appear that application of some of the registered and experimental systemic fungicides in the trial was associated with increased proliferation of algae."
Language:English
References:0
Note:Reprint appears in Turfgrass Research Results 1990/1991 [Penn State], 1991, p. 29-30
This item is an abstract, with table, only!
Table
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Soika, M. D., and P. L. Sanders. 1991. Evaluation of fungicides for control of dollar spot, brown patch, and associated algal proliferation, 1990. Fungicide Nematicide Tests. 46:p. 305.
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