Full TGIF Record # 18151
Item 1 of 1
Publication Type:
i
Report
Author(s):Scott, Donald H.
Author Affiliation:Dept. of Botany and Plant Pathology, Purdue University
Title:Evaluation of fungicides for curative control of brown patch in creeping bentgrass, 1989
Source:Fungicide and Nematicide Tests. Vol. 45, 1990, p. 264.
Publishing Information:St. Paul, MN: American Phytopathological Society
Keywords:TIC Keywords: Brown patch; Agrostis stolonifera; Propiconazole; Fungicide evaluation; Chlorothalonil; Flutolanil
Abstract/Contents:"Fungicide treatments were evaluated on an experimental green at Purdue University. The turf area received conventional golf course green care and was maintained at 0.3 height. Treatments were applied to 3.3 X 6.6 ft plots arranged in a randomized complete block design with 3 replications. Treatments were applied with a hand held CO-2 pressurized sprayer with 11003 LP flat fan nozzles at 22 psi and at a rate of 4 gal/1000 sq ft. A single application of all treatments was made on 26 Jun, the day after the first appearance of brown patch in the plot area. Disease ratings were made of 26 Jun, 7, 12 and 28 Jul and 5 Aug. Temperatures and humidity were near normal during the test period, with rainfall above normal in May and Jun and near normal in Jul and Aug. Brown patch first appeared in the plot area on 25 Jun. Light to moderate disease activity occurred thr 6 Jul. Moderate to severe brown patch occurred from 11 to 13 Jul, and severe disease development occurred from 24 to 28 Jul. Light disease activity was again noted on 4 and 5 Aug. Active brown patch was not observed at other times. Among the labeled fungicides tested, Banner gave the best control for the duration of the test. Among the experimental fungicides tested, ACR 7121 (2.0 oz), CGA 455 (1.98 oz), Flutolanil (4.0 oz), Flutolanil + SN 99731 and MON 24077 (8.0 oz) appeared very promising. Phytotoxicity was observed with the 0.37 oz rate of BASF 480F."
Language:English
References:0
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Scott, D. H. 1990. Evaluation of fungicides for curative control of brown patch in creeping bentgrass, 1989. Fungicide Nematicide Tests. 45:p. 264.
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