Effects of plant identity and chemical constituents on the efficacy of a baculovirus against Heliothis virescens

Kelli Hoover, Julie L. Yee, Christine M. Schultz, David M. Rocke, Bruce D. Hammock, Sean S. Duffey

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Baculoviruses are anhropod-specific, dsDNA viruses primarily used to control lepidopteran pests. A limitation of the use of baculoviruses for pest control is that their efficacy is modifiable by host-plant chemicals. The levels of phenolic substrates and two foliar oxidative enzymes, peroxidase (POD) and polyphenol oxiclase (PTO), were significant predictors of disease caused by a baculovirus in Heliothis virescens fed on either cotton or lettuce; POD was the more influential of the two enzymes. The higher the plant phenolase activity, the lower the percent mortality and the slower the insects died from vital infection. Whether a particular class of phenolic substrates was correlated with enhanced or attenuated baculoviral disease depended upon context, i.e., admixture. Diminution of viral efficacy by plant oxidative activity may compromise the compatibility of baculoviruses with other components of an integrated pest management system such as host plant resistance.

Original languageEnglish (US)
Pages (from-to)221-252
Number of pages32
JournalJournal of Chemical Ecology
Volume24
Issue number2
DOIs
StatePublished - Jan 1 1998

Fingerprint

Pest control
Heliothis virescens
Baculoviridae
Pest Control
Peroxidase
host plant
enzyme
substrate
integrated pest management
Chemical plants
Polyphenols
pest control
Substrates
Enzymes
Viruses
Cotton
cotton
virus
peroxidase
host plants

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Biochemistry

Cite this

Hoover, Kelli ; Yee, Julie L. ; Schultz, Christine M. ; Rocke, David M. ; Hammock, Bruce D. ; Duffey, Sean S. / Effects of plant identity and chemical constituents on the efficacy of a baculovirus against Heliothis virescens. In: Journal of Chemical Ecology. 1998 ; Vol. 24, No. 2. pp. 221-252.
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Effects of plant identity and chemical constituents on the efficacy of a baculovirus against Heliothis virescens. / Hoover, Kelli; Yee, Julie L.; Schultz, Christine M.; Rocke, David M.; Hammock, Bruce D.; Duffey, Sean S.

In: Journal of Chemical Ecology, Vol. 24, No. 2, 01.01.1998, p. 221-252.

Research output: Contribution to journalArticle

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