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Xylogenesis reveals the genesis and ecological signal of IADFs in Pinus pinea L. and Arbutus unedo L.Balzano, Angela ...Background and Aims: Mediterranean trees have patterns of cambial activity with one or more pauses per year, leading to intra-annual density fluctuations (IADFs) in tree rings. We analysed ... xylogenesis (January 2015 - January 2016) in Pinus pinea L. and Arbutus unedo L., co-occurring at a site on Mt. Vesuvius (southern Italy), to identify the cambial productivity and timing of IADF formation. Methods: Dendrochronological methods and quantitative wood anatomy were applied and enabled IADF identification and classification. Key Results: We showed that cambium in P. pinea was productive throughout the calendar year. From January to March 2015, post-cambial (enlarging) earlywood-like tracheids were observed, which were similar to transition tracheids. The beginning of the tree ring was therefore not marked by a sharp boundary between latewood of the previous year and the new xylem produced. True earlywood tracheids were formed in April. L-IADFs were formed in autumn, with earlywood-like cells in latewood. In A. unedo, a double pause in cell production was observed, in summer and winter, leading to L-IADFs in autumn as well. Moreover, the formation of more than one IADF was observed in A. unedo.Vir: Annals of Botany. - ISSN 0305-7364 (Vol. 121, iss. 6, 2018, str. 1231-1242)Vrsta gradiva - članek, sestavni delLeto - 2018Jezik - angleškiCOBISS.SI-ID - 2876041
Avtor
Balzano, Angela |
Čufar, Katarina |
Battipaglia, Giovanna |
Merela, Maks |
Prislan, Peter |
Aronne, Giovanna |
De Micco, Veronica
Teme
kambijeva aktivnost |
funkcionalni znaki v lesu |
gostotne variacije v branikah |
Pinus pinea L. |
Arbutus unedo L. |
ksilogeneza |
branike |
cambial activity |
functional wood traits |
intra-annual density fluctuations |
xylogenesis |
tree rings
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Balzano, Angela | 39653 |
Čufar, Katarina | 02937 |
Battipaglia, Giovanna | |
Merela, Maks | 24676 |
Prislan, Peter | 29428 |
Aronne, Giovanna | |
De Micco, Veronica |
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