| Title: | "Attractants from Bartlett pear for codling moth, Cydia pomonella (L.), larvae" |
| Address: | "USDA, Agricultural Research Service, Yakima Agricultural Research Laboratory, 5230 Konnowac Pass Road, Wapato, WA 98951, USA. aknight@yarl.ars.usda.gov" |
| ISSN/ISBN: | 0028-1042 (Print) 0028-1042 (Linking) |
| Abstract: | "The alkyl ethyl and methyl esters of (2E,4Z)-2,4-decadienoic acid found in head-space samples of ripe Bartlett pear (Pyrus communis L.) stimulated a response from neonate larvae of the codling moth (CM), Cydia pomonella (L.), in both static-air Petri-plate and in upwind Y-tube and straight-tube olfactometer bioassays. In comparison with the known CM neonate attractant, (E,E)-alpha-farnesene, ethyl (2E,4Z)-2,4-decadienoate was attractive at 10-fold and 1,000-fold lower threshold dosages in the Petri-plate and in the Y-tube bioassays, respectively. Methyl (2E,4Z)-2,4-decadienoate was attractive to CM neonates in these bioassays at much higher doses than ethyl (2E,4Z)-2,4-decadienoate. Other principal head-space volatiles from ripe pear fruit and pear leaves, including butyl acetate, hexyl acetate, (Z)-3-hexenyl acetate, and (E)-beta-ocimene, were not attractive to CM neonates. The potential uses of these pear kairomones for monitoring and control of CM in walnuts and apple are discussed" |
| Keywords: | "Animals Decanoates/chemistry/*pharmacology Esters/chemistry/*pharmacology Fruit/chemistry/*parasitology/*physiology Larva Moths/*physiology Odorants *Pest Control, Biological Pheromones/chemistry/pharmacology/*physiology Structure-Activity Relationship;" |
| Notes: | "MedlineKnight, A L Light, D M eng Germany 2001/09/27 Naturwissenschaften. 2001 Aug; 88(8):339-42. doi: 10.1007/s001140100244" |
