n African Entomology - The effect of sap-sucking by (Hemiptera: Miridae) on the emission of volatile organic compounds from the leaves of varieties : short communication

Volume 22, Issue 1
  • ISSN : 1021-3589



Evidence from more than 100 plant species has confirmed that plants emit volatile organic chemicals (VOC) in response to herbivory (Karban & Baldwin 1997; Dicke 2003; Arimura 2005). Feeding-induced plant responses may result in higher levels of volatiles, and different bouquets of compounds being emitted by plants following herbivore damage (Wei 2006). The emission of volatile chemicals may be beneficial to plants in two ways; undamaged plants may interpret the chemical signals from damaged plants and in turn prime themselves for defence (Arimura 2000; Dicke 2003; Agrawal 2005), or volatiles emitted by damaged plants may attract natural enemies of the herbivores, which may reduce further damage to the plants (Tumlinson 1993; De Moraes 1998; Dicke & Vet 1999).

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