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Journal of Chemical Ecology, Vol. 31, No. 1, January 2005 (C 2005) DOI: 10.1007/s10886-005-0981-5
 

Summary: Journal of Chemical Ecology, Vol. 31, No. 1, January 2005 (C 2005)
DOI: 10.1007/s10886-005-0981-5
BIOCHEMICAL RESPONSES OF CHESTNUT OAK
TO A GALLING CYNIPID
STEVEN D. ALLISON1,3
and JACK C. SCHULTZ2,
1Department of Biological Sciences
The Pennsylvania State University
University Park, PA 16802, USA
2Department of Entomology
The Pennsylvania State University
University Park, PA 16802, USA
(Received July 3, 2003; accepted September 26, 2004)
Abstract--We characterized the distribution of nutritional and defensive bio-
chemical traits in galls elicited on chestnut oak (Quercus prinus L.) by the
gall wasp Andricus petiolicolus Basse (Cynipidae) in comparison with gypsy
moth-wounded and unwounded leaves. Gall cortex and epidermis exhibited el-
evated soluble peroxidase (POX) and soluble invertase activities, and greater
condensed tannin concentrations than did nutritive tissues or leaves. Nutritive
tissue, on which the insect feeds, contained few polyphenols, and lower POX

  

Source: Allison, Steven D. - Departments of Ecology and Evolutionary Biology & Earth System Science, University of California, Irvine

 

Collections: Environmental Sciences and Ecology