Effects of cuticular duvane diterpenes from green tobacco leaves on tobacco budworm (Lepidoptera: Noctuidae) oviposition |
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| Authors: | D. Michael Jackson R. F. Severson A. W. Johnson G. A. Herzog |
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| Affiliation: | (1) U.S. Department of Agriculture, Tobacco Research Laboratory, Argicultural Research Service, 27565 Oxford, North Carolina;(2) U.S. Department of Agriculture, Tobacco Safety Research Unit, Agricultural Research Service, 30613 Athens, Georgia;(3) Pee Dee Research and Education Center, Department of Entomology, Fisheries and Wildlife, Clemson University, Florence, South Carolina;(4) Coastal Plain Experiment Station, Department of Entomology and Fisheries, University of Georgia, 31794 Tifton, Georgia |
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| Abstract: | Five cuticular chemical components isolated from the green leaves of tobacco introductions (TIs) and a commercial tobacco cultivar were tested for their effects on tobacco budworm,Heliothis virescens (F), oviposition in cage bioassays, and field experiments. These chemicals were sprayed onto budworm-resistant TI 1112 tobacco which produces low levels of most cuticular components. Individual duvane diterpenes ( - and  -4,8,13-duvatrien-1-ols and - and -4,8,13-duvatriene-1,3-diols) increased tobacco budworm egg laying on sprayed TI 1112 plants.cis-Abienol, docosanol, and docosanyl myristate were inactive.Mention of a company or proprietary product does not imply endorsement or recommendation by the U.S. Department of Agriculture. Paper No. 9702 of the Journal Series of the North Carolina Agricultural Research Service, Raleigh, North Carolina 27695-7601. |
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| Keywords: | Tobacco budworms Heliothis virescens (F) Lepidoptera Noctuidae tobacco Nicotiana tabacum L. diterpenes duvanes host plant resistance oviposition |
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