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| Web URL(s): | http://www.apsnet.org/publications/phytopathology/backissues/Documents/1986Articles/phyto76n10_1053.pdf#page=3
Last checked: 10/22/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Author(s): | Johnson, M. C.;
Bush, L. P.;
Siegel, M. R. |
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| Author Affiliation: | Johnson: Dept. of Biology, Georgetown College, Georgetown, KY; Bush: Dept. of Agronomy; Siegel: Dept. of Plant Pathology, University of Kentucky, Lexington, KY |
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| Title: | Aphid feeding deterrence associated with pyrrolizidine alkaloids present in endophyte-infected tall fescue |
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| Section: | Abstracts of the Annual Meeting of the APS, and of the Carribean and Southern Divisions
Other records with the "Abstracts of the Annual Meeting of the APS, and of the Carribean and Southern Divisions" Section
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| Meeting Info.: | Kissimmee, Florida: August 10-14, 1986 |
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| Source: | Phytopathology. Vol. 76, No. 10, October 1986, p. 1057. |
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| Publishing Information: | St. Paul, Minnesota: American Phytopathological Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Aphids; Loline alkaloids; Alkaloids; Endophytes; Festuca arundinacea; Rhopalosiphum padi
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| Abstract/Contents: | "Feeding deterrents and toxic factors to Rhopalosiphum padi, oat bird cherry aphid, were primarily associated with methanol extracts obtained when seed or leaf sheaths of endophyte-infected tall fescue were serially extracted with hexane, ethyl acetate, and methanol. A silica gel column was used to obtain further separation of aphid feeding deterrent activity in a methanol extract prepared from endophyte-infected seed. The fraction containing the highest concentration of pyrrolizidine (loline) alkaloids deterred aphid feeding to the greatest extent. In contrast, no feeding deterrence was evident in the fraction which contained the lowest concentration of loline alkaloids. Vegetative tall fescue stems dipped in methanol solvent were preferred by R. padi over stems dipped in methanol containing N-formyl loline at concentrations of N-formyl loline as low as 78 ug/ml." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Johnson, M. C., L. P. Bush, and M. R. Siegel. 1986. Aphid feeding deterrence associated with pyrrolizidine alkaloids present in endophyte-infected tall fescue. Phytopathology. 76(10):p. 1057. |
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| Web URL(s):
http://www.apsnet.org/publications/phytopathology/backissues/Documents/1986Articles/phyto76n10_1053.pdf#page=3
Last checked: 10/22/2013
Requires: PDF Reader
Notes: Item is within a single large file |
| 
MSU catalog number: b2219736a |
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