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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 |
Publication Type:
| 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
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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 |
| MSU catalog number: SB 599 .P48 |
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