Feeding Volatiles of Larval Sparganothis pilleriana (Lepidoptera:Tortricidae) Attract Heterospecific Adults o the European Grapevine Moth

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Feeding Volatiles of Larval Sparganothis pilleriana (Lepidoptera:Tortricidae) Attract Heterospecific Adults o the European Grapevine Moth

El-Sayed, Ashraf M. (författare): New Zealand Inst Plant & Food Res Ltd, New Zealand

Ganji, Suresh, 1984- (författare): Linnéuniversitetet,Institutionen för kemi och biomedicin (KOB)

Unelius, C. Rikard, Professor, 1958- (författare): Linnéuniversitetet,Institutionen för kemi och biomedicin (KOB)

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Gemeno, Cesar (författare): Univ Lleida, Spain

Ammagarahalli, Byrappa (författare): Czech Univ Life Sci, Czech Republic;Gaiagen Technol Pvt, India

Butler, Ruth C. (författare): New Zealand Inst Plant & Food Res Ltd, New Zealand

Hoffmann, Christoph (författare): Fed Res Ctr Cultivated Plants, Germany

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(creator_code:org_t)

2021-09-22
2021
Engelska.
Ingår i: Environmental Entomology. - : Oxford University Press. - 0046-225X .- 1938-2936. ; 50:6, s. 1286-1293

Relaterad länk:: https://repositori.u...; visa fler...; https://urn.kb.se/re...; https://doi.org/10.1...; visa färre...

Tidskriftsartikel (refereegranskat)

Abstract Ämnesord

Stäng

Plants release volatiles in response to caterpillar feeding.These herbivore-induced plant volatiles (HIPVs) attract natural enemies of the herbivores and repel or attract conspecific adult herbivores in a tri-trophic interaction which has been considered to be an indirect plant defense against herbivores. Recently, we demonstrated the attraction of male and female European grapevine moth, Lobesia botrana (Denis & Schiffermuller) (Lepidoptera: Tortricidae) to a blend of phenylacetonitrile and acetic acid, two compounds identified as HIPVs in heterospecific apple-leafroller interactions. The ecological basis of our findings is not clearly understood.Thus, this work was undertaken to investigate HIPVs in the grapevine-leafroller interaction and study the response of heterospecific adults L. botrana, to these volatiles. We collected headspace volatiles emitted from uninfested grapevines and grapevines infested with larvae of a generalist herbivore, the grapevine leafroller moth, Sparganothis pilleriana (Denis & Schiffermuller), and analyzed them using gas chromatography/mass spectrometry. Infested grape leaves released three compounds (phenylacetonitrile, indole, and 2-phenylethanol) not found from uninfested leaves. Nine different blends, comprising a full factorial set of the three oompou nds with each blend containing acetic acid, were tested in a field-cage trial. Only lures containing phenylacetonitrile caused a significant increase in trap catches compared to the other lures and blank traps. Electroantennographic tests show that L botrana can detect the compounds. The results confirm our hypothesis that phenylacetonitrile is released during grapevines infestation with herbivores, and attracts adult L. botrana.

Ämnesord

NATURVETENSKAP -- Kemi (hsv//swe)
NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)

Nyckelord

caterpillar-induced plant volatile
phenylacetonitrile
2-phenylethanol
acetic acid
Lobesia botrana
Ecological chemistry
Ekologisk kemi

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Av författaren/redakt...: El-Sayed, Ashraf ...; Ganji, Suresh, 1 ...; Unelius, C. Rika ...; Gemeno, Cesar; Ammagarahalli, B ...; Butler, Ruth C.; visa fler...; Hoffmann, Christ ...; visa färre...

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NATURVETENSKAP: NATURVETENSKAP; och Kemi

NATURVETENSKAP: NATURVETENSKAP; och Biologi; och Ekologi

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Av lärosätet: Linnéuniversitetet

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