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Chemoreception of oviposition inhibiting terpenoids in the diamondback moth Plutella xylostella

Qiu, Y.T. (Landbuwuniversiteit Wageningen (Netherlands). Vakgroep Entomologie) ; Loon, J.J.A. van ; Roessingh, P

Entomologia experimentalis et applicata, 1998-05, Vol.87 (2), p.143-155 [Periódico revisado por pares]

Oxford, UK: Blackwell Science Ltd

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Título:
Chemoreception of oviposition inhibiting terpenoids in the diamondback moth Plutella xylostella
Autor: Qiu, Y.T. (Landbuwuniversiteit Wageningen (Netherlands). Vakgroep Entomologie) ; Loon, J.J.A. van ; Roessingh, P
Assuntos: ablation ; AZADIRACHTA INDICA ; Biological and medical sciences ; Biological control ; CHEMORECEPTORS ; CHIMIORECEPTEUR ; contact chemoreceptor ; Control ; CRUCIFERAE ; electrophysiology ; EPS ; EXTRACTOS VEGETALES ; EXTRAIT D'ORIGINE VEGETALE ; Fundamental and applied biological sciences. Psychology ; INHIBICION ; INHIBITION ; Laboratorium voor Entomologie ; Laboratory of Entomology ; morphology ; OVIPOSICION ; OVIPOSITION ; oviposition inhibitor ; Phytopathology. Animal pests. Plant and forest protection ; PLANT EXTRACTS ; PLUTELLA XYLOSTELLA ; PONTE ; Protozoa. Invertebrates ; QUIMIORECEPTORES ; sensory mechanism ; TERPENOIDE ; TERPENOIDOS ; TERPENOIDS
É parte de: Entomologia experimentalis et applicata, 1998-05, Vol.87 (2), p.143-155
Notas: H10
1998005866
ArticleID:EEA316
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ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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Descrição: The effects of six terpenoids and two terpenoid containing extracts of the neem tree (Azadirachta indica A. Juss.) on oviposition by the diamondback moth (Plutella xylostella L., Yponomeutidae: Lepidoptera) were tested. Two drimane terpenoids, the sesquiterpenoid polygodial and the neem extract Margosan‐O exerted significant inhibitory effects at the dosages tested. Ablation experiments showed that both antennae and fore‐tarsi contributed to mediation of the inhibition by a drimane. Location of chemosensilla on prothoracic tarsi and ovipositor was examined by scanning electronmicroscopy. Electrophysiological recordings from ovipositor and tarsal taste sensilla showed that distilled water produced distinct responses from one neuron. In tarsal sensilla, ethanol and drimane solutions produced responses from two neurons, one of which might be the water cell that fired at a reduced rate. A drimane significantly decreased the responses of tarsal chemoreceptors to a cabbage leaf extract, which is a possible sensory mechanism leading to behavioural avoidance of this compound.
Editor: Oxford, UK: Blackwell Science Ltd
Idioma: Inglês

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Chemoreception of oviposition inhibiting terpenoids in the diamondback moth Plutella xylostella

Qiu, Y.T. (Landbuwuniversiteit Wageningen (Netherlands). Vakgroep Entomologie) ; Loon, J.J.A. van ; Roessingh, P

Oxford, UK: Blackwell Science Ltd

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