Full TGIF Record # 269939
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Web URL(s):https://archive.lib.msu.edu/tic/its/articles/1974sup32.pdf
    Last checked: 03/15/2016
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Publication Type:
Content Type:Abstract or summary only
Author(s):Dahlsson, Sven-Ove
Author Affiliation:Weibullsholm Plant Breeding Institute, Landskrona, Sweden
Title:The frit fly - harmful to lawns
Section:Weeds and insects
Other records with the "Weeds and insects" Section
Meeting Info.:Blacksburg, Virginia: June 19-21, 1973
Source:Abstracts of Papers Presented at the Second International Turfgrass Research Conference. 1973, p. 32.
Publishing Information:Blacksburg, Virginia: [International Turfgrass Society]
# of Pages:1
Keywords:TIC Keywords: Comparisons; Diazinon; Dimethoate; Fenitrothion; Injuries by insects; Insect behavior; Insecticide evaluation; Methoxychlor; Oscinella frit; Recommendations
Abstract/Contents:"In 1970 and 1971 many lawn and turf areas were attacked by the frit fly (Oscinella frit L.). Mainly newly sown lawns were badly damaged, but also some older ones suffered from hard attacks. The eggs are laid on the leaf blade or sheath. When the larva comes it eats the main shoot near the base. The top of the shoot begins to yellow and dies very soon. You can find the white-yellowish larva near the base if you split the sheath carefully. The larva is 2-3 mm long. The fly is about 2 mm long and black. Damages in lawns have been recorded very seldom. Therefore insecticide application is not very well known. 1971 the Turfgrass Division at Weibu11sholm carried out a test in order to elucidate that question. Five chemicals were tested, diazinon, fenitrotion, dimetoat, metoxyklor with about equal amounts of active ingredient. Diazinon and dimetoat were more effective than metoxyklor and fenitrotion. In the second sowing (June 9th) there was hardly any effect from the treatments of June 30th and July 19th. On the other hand the treatment of September 8th was very effective on the third generation of the fly. Preventive sprayings could not be recommended. Spraying should be done twice with an interval of 14 days as soon as damage appears. High volume is required (at least 600 l/ha). Further trials will be carried out in 1972 and published later on in Gras- Tips."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Dahlsson, S.-O. 1973. The frit fly - harmful to lawns. Int. Turfgrass Soc. Annexe - Tech. Pap. p. 32.
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    Last checked: 03/15/2016
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