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1. Colored and White Sectors From Star-Patterned Petunia Flowers Display Differential Resistance to Corn Earworm and Cabbage Looper Larvae

Author:
Johnson, Eric T.; Berhow, Mark A.; Dowd, Patrick F.
Source:
Journal of chemical ecology 2008 v.34 no.6 pp. 757
ISSN:
0098-0331
Subject:
Helicoverpa zea; Trichoplusia ni; larvae; Petunia hybrida; pest resistance; resistance mechanisms; flowers; color; chemical constituents of plants; anthocyanins; mortality; antifeeding activity; body weight
Abstract:
... Anthocyanins are likely a visual aid that attract pollinators. However, there is also the possibility that anthocyanins are present in some flowers as defensive molecules that protect them from excess light, pathogens, or herbivores. In this study, resistance due to anthocyanins from commercial petunia flowers (Petunia hybrida) was examined for insecticide/antifeedant activity against corn earworm ...
Handle:
10113/22813
DOI:
10.1007/s10886-008-9444-0
PubMed:
18484139