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Sci Rep


Title:Peach volatile emission and attractiveness of different host plant volatiles blends to Cydia molesta in adjacent peach and pear orchards
Author(s):Lu PF; Qiao HL;
Address:"The Key Laboratory for Silviculture and Conservation of the Ministry of Education, School of Forestry, Beijing Forestry University, Beijing, 100083, China. lpengfei224@126.com. Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, China"
Journal Title:Sci Rep
Year:2020
Volume:20200812
Issue:1
Page Number:13658 -
DOI: 10.1038/s41598-020-70685-9
ISSN/ISBN:2045-2322 (Electronic) 2045-2322 (Linking)
Abstract:"The oriental fruit moth (OFM), Cydia (= Grapholitha) molesta, is a highly damaging pest; peaches are its primary host, and pears serve as post-peach secondary hosts during the late season in China. We collected volatiles from detached peach shoots and fruits, and identified them with gas chromatography-mass spectrometry (GC-MS). Antennally active compounds were identified by gas chromatography-electroantennogram detection (GC-EAD), and these were further tested in the laboratory and field. We detected consistent electroantennographic activity was for ten compounds. Significantly more C. molesta females were caught with a mixture of female EAD-active compounds identified from the detached matured peach fruits (nonanal, butyl acetate, 3-methylbutyl acetate, hexyl acetate, (Z)-3-hexenyl acetate, linalool and farnesene) than other mixtures mimicking the volatile profile from detached matured fruits or shoots. We identified a new GC-EAD active mixture from intact peach shoots composed of nonanal, (Z)-3-hexenyl acetate, (E)-beta-ocimene, and 6-methyl-5-hepten-2-one. In the field test, the background odour of orchards could affect trap catches, and two peach-derived blends together with two previously known pear-derived blends were proven to be able to monitor the seasonal OFM population dispersal in adjacent orchards. These host plant blends will be effective for further designing candidate attractants for season-long C. molesta population dynamic monitoring"
Keywords:"Animals Behavior, Animal/*drug effects Fruit/chemistry Gas Chromatography-Mass Spectrometry Moths/*physiology Odorants/*analysis Prunus persica/*chemistry Pyrus/*chemistry Seasons Volatile Organic Compounds/*analysis;"
Notes:"MedlineLu, Peng-Fei Qiao, Hai-Li eng Research Support, Non-U.S. Gov't England 2020/08/14 Sci Rep. 2020 Aug 12; 10(1):13658. doi: 10.1038/s41598-020-70685-9"

 
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