biologia plantarum

International journal on Plant Life established by Bohumil Němec in 1959

Biologia plantarum 41:139-143, 1998 | DOI: 10.1023/A:1001789222741

Influence of intra- and inter-specific Interference on Terpene Emission by Pinus Halepensis and Quercus Ilex Seedlings

J. Peñuelas, J. Llusià

Seedlings of two common Mediterranean trees, Pinus halepensis L. and Quercus ilex L., were grown alone and together with seedlings of the same or of the other species in the same pot during one year to test the effects of intra- and inter-specific interference on terpene emission. Light, nutrients and water were amply supplied. There were higher emission rates in P. halepensis than in Q. ilex. The emission increased when the neighbour was a pine and decreased when the neighbour was a holm oak. Volatile organic compound and terpene emission rates followed inverse trends to foliar biomass or growth, which decreased when the neighbour was a pine.

Keywords: allelopathy; α-pinene; autopathy; camphene; volatile organic compounds
Subjects: allelopathy, terpene emission; autopathy, terpene emission; camphene, terpene emission; oak, terpene emission; pine, terpene emission; a-pinene, terpene emission; Pinus halepensis; Quercus ilex; terpene emission, intra- and inter-specific interference; volatile organic compounds

Published: January 1, 1998  Show citation

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Peñuelas, J., & Llusià, J. (1998). Influence of intra- and inter-specific Interference on Terpene Emission by Pinus Halepensis and Quercus Ilex Seedlings. Biologia plantarum, 41(1), 139-143. doi: 10.1023/A:1001789222741
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