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« Previous Abstract"(3R(*),5S (*),6R (*))-3,5-dimethyl-6-(methylethyl)-3,4,5,6-tetrahydropyran-2-one, a third sex pheromone component forMacrocentrus grandii (goidanich) (Hymenoptera: Braconidae) and evidence for its utility at eclosion"    Next AbstractInterplant Aboveground Signaling Prompts Upregulation of Auxin Promoter and Malate Transporter as Part of Defensive Response in the Neighboring Plants »

J Chem Ecol


Title:"Biological activity of (3R,5S,6R)- and (3S,5R,6S)-3,5-dimethyl-6-(methylethyl)-3,4,5,6-tetrahydropyran-2-one, a pheromone ofMacrocentrus grandii (Goidanich) (Hymenoptera: Braconidae)"
Author(s):Swedenborg PD; Jones RL; Zhou HQ; Shin I; Liu HW;
Address:"Department of Entomology, University of Minnesota, 55108, St. Paul, Minnesota"
Journal Title:J Chem Ecol
Year:1994
Volume:20
Issue:12
Page Number:3373 - 3380
DOI: 10.1007/BF02033733
ISSN/ISBN:0098-0331 (Print) 0098-0331 (Linking)
Abstract:"In a previous study we reported identification of (3R*,5S*,6R*)-3,5-dimethyl-6-(methylethyl)-3,4,5,6-tetrahydropyran-2-one as a component of the pheromone ofMacrocentrus grandii Goidanich. The lactone was present in male and female wasps, and laboratory and field bioassays demonstrated that both sources of the lactone elicit flight initiation, upwind anemotaxis, and casting in male wasps. In the present study, the synthetic (3R,5S,6R)- and (3S,5R,6S)-lactone enantiomers (RSR andSRS, respectively) were bioassayed for biological activity. In wind tunnel studies theSRS enantiomer elicited flight initiation, upwind anemotaxis, and casting by male wasps comparable to lactone derived from male and female wasps. Flight response to theRSR enantiomer averaged 14 percent of theSRS enantiomer. No specific ratio of the stereoisomers was found more attractive than theSRS enantiomer alone. Field studies demonstrated theSRS enantiomer was active alone in attracting male wasps. When paired with (Z)-4-tridecenal (a previously identified female-derived sex pheromone), theSRS enantiomer yielded a synergistic response comparable to (Z)-4-tridecenal plus female-derived lactone"
Keywords:
Notes:"PubMed-not-MEDLINESwedenborg, P D Jones, R L Zhou, H Q Shin, I Liu, H W eng 1994/12/01 J Chem Ecol. 1994 Dec; 20(12):3373-80. doi: 10.1007/BF02033733"

 
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