Full TGIF Record # 14092
Item 1 of 1
Publication Type:
i
Report
Author(s):Brede, A. D.; Montgomery, D. P.
Author Affiliation:Oklahoma State University
Title:Control of Rhizoctonia Brown Patch on Creeping Bentgrass, 1985.
Source:Fungicide and Nematicide Tests. Vol. 41, 1986, p. 148.
Publishing Information:St. Paul: American Phytopathological Society
Keywords:TIC Keywords: Agrostis stolonifera; Brown patch; Fungicides
Abstract/Contents:"Fungicides were evaluated at the Oklahoma Turfgrass Research Center, Stillwater, Oklahoma, on a partially shaded area maintained under golf-green conditions at a cutting height of 0.1875 inch. Individual treatment plots were 18 inx 10 ft with a 1 ft 10 ft paired, untreated check. Treatments were arranged in a randomized complete block design with 4 replicates. Fungicidal treatments were applied on 10 Jun, 30 Jul, and 4 Sep using a CO2 powered, boom sprayer operating at 40 psi and a 3 gal/1000 sq ft carrier rate. Granular products were applied with a shaker jar onto moist grass and were not watered in. The experimental area was inoculated 5 days after treatment (DAT) using R. solani-infected rye grains. The first experimant was performed on Penneagle bentgrass and others on Penncross. Inoculum in the first experiment did not produce an epidemic and, hence, only phytotoxicity was evaluated. The latter two inoculations were successful, however and abundance of naturally occurring ring-shaped infection centers developed shortly after treatments were applied. The naturally occurring infections were visually rated for severity. Several treaments showed significant control of Rhizoxtonia brown patch. Rizolex treatments provided nearly complete disease control over the duration of the experiments. Some phytotoxicity was noted with Rizolex and SDS-63539 on Penngale bentgrass. On Penncross bentgrass, only Rizolex 5G showed phytotoxicity."
Language:English
References:0
Note:Table
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Brede, A. D., and D. P. Montgomery. 1986. Control of Rhizoctonia Brown Patch on Creeping Bentgrass, 1985.. Fungicide Nematicide Tests. 41:p. 148.
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