Influence of (Z)-11-hexadecen-1-ol on field performance ofHeliothis virescens pheromone in a PVC dispenser as evidenced by trap capture |
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Authors: | T N Shaver D E Hendricks J D Lopez Jr |
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Affiliation: | (1) USDA, ARS, Pest Management Research Unit, 77841 College Station, Texas;(2) Subtropical Agricultural Research Laboratory, 78596 Weslaco, Texas |
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Abstract: | Field studies were conducted to determine the effect of (Z)-11-hexadecen-1-ol (Z11-16 OH) on capture of tobacco budworm (TBW),Heliothis virescens (F.), males when added to two-component (HV-2) and six-component (HV-6) pheromone blends dispensed from a polyvinyl chloride (PVC) substrate. Numbers of males caught in traps baited with PVC dispensers containing 0.25% Z11-16 OH, relative to total pheromone content, were significantly higher than numbers caught with dispensers containing noZ11-16 OH. Catches of TBW were also increased significantly in some tests whenZ11-16 OH was formulated in the bait at a 1% concentration. Catches were significantly reduced with dispensers containing 5.95%Z11-16 OH compared with those containing noZ11-16 OH. There were no differences in catch between traps baited with HV-2 vs. HV-6 or HV-2 + 0.25%Z11-16 OH vs. HV-6 + 0.25%Z11-16 OH when formulated in PVC substrate.Mention of a commercial or proprietary product does not constitute an endorsement by the USDA. |
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Keywords: | Tobacco budworm Heliothis virescens Lepidoptera Noctui-dae polyvinyl chloride pheromone dispensers pheromone blends (Z)-11-hexadecen-1-ol |
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