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"VARIABILITY OF VESSELS AND WOOD RAYS DENSITY BY CONTAINER SEEDLINGS OF DIFFERENT SPECIES FROM QUERCUS GENERA"
Jokanović, Dušan
Nikolić-Jokanović, Vesna
Živanović, Kristina
Marinković, Marko
Jovanović, Filip
The anatomical traits of one-year old container seedlings of three species from Quercus genera – Quercus robur, Quercus petraea and Quercus frainetto were analyzed. Seedlings were planted in the same type of container. The scope of the paper was to establish density of vessels and wood rays per 1 mm2. These two anatomical elements play a very significant role – vessels are conductive elements responsible for water and minerals moving from the root to the upper parts of the tree, while wood rays are in charge of nutrients storage. The obtained results showed that the greatest density of both anatomical elements was recorded by Q. petraea (110.07 vessels, and 34.07 wood rays per mm2) which means that this species had the narrowest vessels and wood rays. On the other hand, in Q. robur we found presence of 102.1 vessels, and 24.93 wood rays per mm2, while Q. frainetto had the lowest vessels density (97.03), but came to the second place in terms of wood rays density (33.07). As for the possibility of using of investigated oaks container seedlings for reforestation purposes, Q. petraea would be more suitable for arid sites, according to the greatest density of vessels and wood rays, which should be related to the lowest width of these elements. Bearing in mind this fact, we can deduce that narrower vessels are more efficient for conducting, while smaller wood rays can store enough nutrients for a short time. However, in order to obtain reliable conclusions, in addition to analyzed parameters, it is needed to investigate some morphological (height and root collar diameter) and anatomical (vessels width, wood rays width and height) traits.
engleski
2024
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Q.petraea, Q.robur, Q.frainetto, vessels density, wood rays density
COBISS.RS-ID 141807105