Full TGIF Record # 9681
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Web URL(s):http://www.apsnet.org/publications/phytopathology/backissues/Documents/1984Articles/phyto74n07_789.pdf#page=4
    Last checked: 10/15/2015
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Johnson, M. C.; Siegel, M. R.; Bush, L. P.
Author Affiliation:Depts. of Plant Pathology and Agronomy, University of Kentucky, Lexington, KY 40546
Title:Preferential feeding by two aphid species on endophyte-free versus endophyte-infected Tall fescue.
Source:Phytopathology. Vol. 74, No. 7, July 1984, p. 792.
Publishing Information:St. Paul, MN: American Phytopathological Society
Keywords:TIC Keywords: Festuca arundinacea; Aphids; Endophytes; Schizaphis graminum; Rhopalosiphum; Acremonium coenophialum; Lolium perenne; Comparisons
Abstract/Contents:"Apterous forms of greenbug (Schizaphis graminum) and oat bird cherry aphid (Rhopalosiphum padi) preferred endophyte-free tall fescue leaf sheaths for feeding by up to a 7 to 1 margin over leaf sheaths infected with the endophytic fungus, Acremonium coenophialum, in choice situations. Both species of aphids were considerably less discriminatory between leaf blades of endophyte-free and endophyte-infected plants. No preference was evident in tests comparing endophyte-free and endophyte-infected leaf sheaths of perennial ryegrass. Vegetative tall fescue stems dipped in dilute preparations of methanol extracts of endophyte-free tall fescue seed were preferred by R. padi over stems dipped in similarly prepared extracts of endophyte-infected seed by a 7-10 fold margin."
Language:English
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Johnson, M. C., M. R. Siegel, and L. P. Bush. 1984. Preferential feeding by two aphid species on endophyte-free versus endophyte-infected Tall fescue.. Phytopathology. 74(7):p. 792.
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Web URL(s):
http://www.apsnet.org/publications/phytopathology/backissues/Documents/1984Articles/phyto74n07_789.pdf#page=4
    Last checked: 10/15/2015
    Requires: PDF Reader
    Notes: Item is within a single large file
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MSU catalog number: SB 599 .P48
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