Oxidative responses in soybean foliage to herbivory by bean leaf beetle and three-cornered alfalfa hopper

Gary Felton, C. B. Summers, A. J. Mueller

Research output: Contribution to journalArticle

93 Citations (Scopus)

Abstract

Variation in induced responses in soybean is shown to be dependent, in part, upon herbivore species. Herbivory by the phloem-feeding three-cornered alfalfa hopper caused increases in the activities of several oxidative enzymes including lipoxygenases, peroxidases, ascorbate oxidase, and polyphenol oxidase. Bean leaf beetle defoliation caused increased lipoxygenase activity, but had little effect upon peroxidase, polyphenol oxidase, ascorbate oxidase, or trypsin inhibitor levels in either field or greenhouse studies. In one field experiment, prior herbivory by the bean leaf beetle subsequently reduced the suitability of foliage to the corn earworm Helicoverpa zea. The contribution of these findings to emerging theories of insect-plant interactions is discussed.

Original languageEnglish (US)
Pages (from-to)639-650
Number of pages12
JournalJournal of Chemical Ecology
Volume20
Issue number3
DOIs
StatePublished - Mar 1 1994

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Ascorbate Oxidase
Cerotoma trifurcata
Catechol Oxidase
Herbivory
Hoppers
Medicago sativa
Beetles
alfalfa
Soybeans
herbivory
ascorbate oxidase
foliage
soybean
beetle
herbivores
Helicoverpa zea
Lipoxygenases
plant-insect interaction
soybeans
lipoxygenase

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Biochemistry

Cite this

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Oxidative responses in soybean foliage to herbivory by bean leaf beetle and three-cornered alfalfa hopper. / Felton, Gary; Summers, C. B.; Mueller, A. J.

In: Journal of Chemical Ecology, Vol. 20, No. 3, 01.03.1994, p. 639-650.

Research output: Contribution to journalArticle

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