Isolation and identification of volatiles in the foliage of potato,Solanum tuberosum,a host plant of the colorado beetle,Leptinotarsa decemlineata |
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Authors: | J H Visser S van Straten H Maarse |
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Affiliation: | (1) Department of Entomology, Agricultural University, Binnenhaven 7, Wageningen, The Netherlands;(2) Central Institute for Nutrition and Food Research TNO, Zeist, The Netherlands |
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Abstract: | The volatile compounds ofSolanum tuberosum L., a host plant of the Colorado beetle,Leptinotarsa decemlineata Say, were isolated by successive vacuum steam distillation, freeze concentration, and extraction. The main components aretrans-2-hexen-1-ol, 1-hexanol,cis-3-hexen-1-ol,trans-2-hexenal, and linalool. The distribution of these compounds in a variety of plant families and their biosyntheses are reviewed. These leaf volatiles constitute a general green leaf volatile complex, being active in the olfactory orientation of the Colorado beetle and as such are probably of importance to various phytophagous insects. |
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Keywords: | Solanum tuberosum trans-2-hexen-1-ol 1-hexanol cis-3-hexen-1-ol trans-2-hexenal biosynthesis host plant selection olfactory orientation Leptinotarsa decemlineata Colorado beetle Coleoptera Chrysomelidae potato |
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