Journal
NATURAL PRODUCT RESEARCH
Volume 32, Issue 5, Pages 514-520Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/14786419.2017.1326486
Keywords
Anagrus nilaparvatae; Cymbopogon distans; remote lemongrass oil; attraction behaviour; biological control
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Funding
- Special Fund for Agro-scientific Research in the Public Interest [201403030]
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Utilisation of Anagrus nilaparvatae is a promising and effective method for planthoppers manipulation. Twenty-seven components of remote lemongrass (Cymbopogon distans) oil were identified by GC/MS and nine volatiles were selected for behavioural experiments. In this study, we noted that the remote lemongrass oil was attractive to female A. nilaparvatae at concentrations of 0.1 and 1 mg/L. alpha-Pinene, beta-pinene, eucalyptol, carveol and D-carvone attracted female wasps in the dosedependent bioassays. Blend 1 (a mixture of eucalyptol, D-carvone, carveol, alpha-pinene, and beta-pinene with ratios of remote lemongrass oil volatiles of 625:80:11:5:3) attracted female wasps at 10 mg/L, while blend 2 (a mixture of the same five volatiles at the same loading ratio) attracted them at 0.1 and 1 mg/L. These results suggested that plant essential oils could be attractants for natural enemies to control pests. The ratios of volatiles in the mixtures affect the attractiveness of the synthetic mixtures.
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