Full TGIF Record # 66960
Item 1 of 1
Publication Type:
i
Report
Author(s):Tisserat, N.; Fry, J.; Settle, D.; Parsons, L.
Author Affiliation:Department of Plant Pathology, Department of Horticulture, Forestry and Recreation Resources, Kansas State University
Title:Reaction of tall fescue cultivars to pythium blight and rhizoctonia brown patch, 1997 and 1999
Section:Turfgrass
Other records with the "Turfgrass" Section
Source:Biological and Cultural Tests for Control of Plant Diseases. 2000, p. 53.
Publishing Information:St. Paul, MN: The American Phytopathological Society
# of Pages:1
Keywords:TIC Keywords: Festuca arundinacea; Brown patch; Rhizoctonia solani; Pythium diseases; Pythium aphanidermatum; Cultivar evaluation; Disease resistance; Disease severity; National Turfgrass Evaluation Program
Abstract/Contents:"The trial was conducted on a Canadian fine sandy loam at the John Pair Horticultural Research Center in Wichita, KS. One hundred and thirty entries from the National Turfgrass Evaluation program were seeded into 5 x 5 ft plots on 11 Sep 1996 at a rate of 4.4 lb seed/1000 ft². Prior to seeding, plots were fertilized with 13-13-13 at 1 lb NPK/1000 ft². Fertility in plots was maintained at 4 lb N/1000 ft² per year. Plots were mowed weekly at a cutting height of 2.5 in. and the clippings were returned. No fungicides were applied in any year. The experimental design was a randomized complete block with three replications. Plots were rated for the percentage plot area damaged by Pythium blight or Rhizoctonia brown patch. An epidemic of Pythium blight occurred in late July 1997 following a period of heavy rainfall, saturated soil, and high nighttime temperatures. None of the cultivars exhibited acceptable levels (10%) of blighting and most sustained damage to more than 40% of the plot area. Although damage persisted for approximately 1 mo after infection, all cultivars recovered completely by mid-September. This indicates that P. aphanidermatum was primarily damaging the leaves and not the shoots or roots of diseased plants. The summer of 1998 was hot and dry and no disease was detected. A moderate outbreak of Rhizoctonia brown patch occurred in early July 1999. Blighting among cultivars ranged from 5-45% of the plot area. Several selections exhibited acceptable levels (10%) of damage during the epidemic."
Language:English
References:0
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Tisserat, N., J. Fry, D. Settle, and L. Parsons. 2000. Reaction of tall fescue cultivars to pythium blight and rhizoctonia brown patch, 1997 and 1999. Biol. Cult. Tests Control Plant Dis. p. 53.
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