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Tytuł:
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The sesquiterpene α-copaene is induced in tomato leaves infected by Botrytis cinerea.
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Autorzy:
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Thelen, John
Harbinson, Jeremy
Jansen, Roel
Van Straten, Gerrit
Posthumus, MaartenA.
Woltering, ErnstJ.
Bouwmeester, HarroJ.
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Temat:
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TOMATO diseases & pests
FUNGAL diseases of plants
BOTRYTIS cinerea
VOLATILE organic compounds
METABOLITES
GREENHOUSES
PRINCIPAL components analysis
CHROMATOGRAMS
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Źródło:
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Journal of Plant Interactions; Sep2005, Vol. 1 Issue 3, p163-170, 8p, 3 Charts, 4 Graphs
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Explorative experiments were done to investigate the possibility that tomato plants infected by Botrytis cinerea have a different emission of volatile organic compounds (VOC) than healthy plants. This was done by headspace analysis of volatiles emitted by detached leaves of infected and healthy plants. Principal component analysis (PCA) of GC-FID chromatograms revealed clearly separated clusters between infected and control leaves and identification of an interesting compound. In further analysis by GC-MS, the significantly distinctive component (p≤0.05) was identified as the sesquiterpene α-copaene. In previous work on herbivore damage, α-copaene was not distinctive, which may suggest that α-copaene may be specifically associated to fungal infections in tomato. [ABSTRACT FROM AUTHOR]
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