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Journal of Chemical Ecology

, Volume 24, Issue 1, pp 113–124 | Cite as

Olfactometer-Assessed Responses of Aphid Rhopalosiphum padi to Wheat and Oat Volatiles

  • A. Quiroz
  • H. M. Niemeyer
Article

Abstract

Volatiles from wheat and oat seedlings elicited attraction in apterae and alatae Rhopalosiphum padi. Cereal volatiles were identified by GC-MS and olfactometric tests were performed with each compound. Attraction of aphids was elicited by (E)-2-hexenyl acetate, (Z)-3-hexenol, (E)-2-hexenyl acetate, (E)-2-hexenol, (Z)-2-hexenol, n-heptanal, n-octanal, n-nonanal, n-decanal, benzaldehyde, and linalool. The difference between the sensory capacity of alatae and apterae is discussed in relation to migrations between hosts during their life cycle.

Odors semiochemicals green leaf volatiles cereals Hemiptera Aphididae 

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Copyright information

© Plenum Publishing Corporation 1998

Authors and Affiliations

  • A. Quiroz
    • 1
  • H. M. Niemeyer
    • 1
  1. 1.Departamento de Ciencias Ecológicas, Facultad de CienciasUniversidad de ChileSantiagoChile

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