Full TGIF Record # 1261
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Author(s):Grisham, M. P.; Beard, J. B.
Author Affiliation:Assistant Professor, Turfgrass Pathology, The Texas Agricultural Experiment Station, Department of Plant Pathology and Microbiology; and Professor, Turfgrass Physiology and Management, The Texas Agricultural Experiment Station, Department of Soil and Crop Sciences, College Station, Texas
Title:Efficacy of three experimental and seven registered fungicides for the control of brown patch of St. Augustinegrass
Section:Pests: Disease
Other records with the "Pests: Disease" Section
Source:Texas Turfgrass Research - 1984. 1984, p. 107-111.
# of Pages:5
Publishing Information:College Station, TX: Texas Agricultural Experiment Station.
Series:Consolidated PR 4269-4289
Keywords:TIC Keywords: Stenotaphrum secundatum; Quintozene; Iprodione; Fungicides; Thanatephorus cucumeris; Benomyl; Chlorothalonil; Fenarimol; Triadimefon; Furmecyclox; Pencycuron; Etaconazole; Metalaxyl
Abstract/Contents:In this study ten fungicides were applied to different plot locations that were affected with Rhizoctonia solani (brown patch). The ten fungicides tried were: furmecyclox, PCNB, Pencycuron, triadimefon, etaconazole, netalaxyl, fenarimol, chlorothelonil, benomyl, and iprodione. Furmecyclox, iprodione, B-Ay NTN, and PCNB were applied to plot A and showed a significant amount of control. All fungicides were applied to plot B and all seemed to exhibit good control. There was no difference in test results between the wettable agents and the dry granular agents. All forms of fungicides exhibited problems with phytotoxicity to the St. Augustinegrass. This phytotoxicity lasted during the growing season, but the turf withheld it quite well. In controlling Rhizoctonia solani, PCNB, pencycuron, iprodione, and furmecyclox were the most effective. Furmecyclox and pencycuron are the latest alternative for control of Rhizoctonia-caused diseases. Pencycuron has a minor problem of leaving a white residue which isn't easily removed. Fenarimol, triadimefon, and etaconazole move into the plant by inhibition of the ergosterol biosynthesis cycle, so these proved ineffective in controlling the Rhizoctonia solani brown patch. The major problem of those compounds that effectivly controlled Rhizoctonia solani was their phytotoxic effect to the St. Augustinegrass.
See Also:See also closely related abstract "Efficacy of three experimental fungicides for the control of Rhyzoctonia brown patch of St. Augustinegrass" Phytopathology, 74(5) May 1984, p. 628 R=159590 R=159590
See Also:Other items relating to: P C N B - Quintozene
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Grisham, M. P., and J. B. Beard. 1984. Efficacy of three experimental and seven registered fungicides for the control of brown patch of St. Augustinegrass. Tex Turfgrass Res. p. 107-111.
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