We are working on the invasive capacity of Quercus suber in the Canary Islands, where it is an introduced plant. In our work, the capacity of regrowth from its superficial roots is the apparently most common form of propagation of this tree. We do not know if this is a mechanism of habitual propagation of the species in its natural zone.
You might find interesting material in this paper: Conference Paper Rooting and survival of cork oak cuttings
Thank you very much for the reference. I will study it in detail, but our interest is the root shoots that the plant produces naturally and its importance in the regeneration of the cork oak forest in its natural areas. Anyway, thank you very much for your response.
Our paper from 2010 on forest fire in Italy contains a reference to sprouting from roots in oak and beech. Fagaceae seem to have such capacity, that develops in specific situations. However, I have not observed regular sprouting from cork oak in the Iberian dehesa.
Thank you very much for your reference and for the information. Perhaps in a dehesa the action of the great herbivores makes these outbreaks disappear, but in the Canary Islands it is the main form of expansion. I add an image so they can see the density of the sprouts. A greeting and thank you very much for your response.
I think Quercus suber is not a strong sprouter from adventitious roots! Q. rotundifolia and Q. pyrenaica are the oaks that spontaneously do it with more vigour.! Altought it (suber) also does it in Montado (open wood) ecossystem! But in forest (dense canopy) its barely seen! I talk on natural formations! I don't know the behaviour in managed cultivations!
Thank you very much for your reply. The current forest comes from some plantations about 200 years ago, but it is quite dense, and as you can see in the image the importance of root sprouts is very large. I imagine that the structure of the vegetation that we find in the Canary Islands is more similar to the dense forest than to the open formations. Thanks again for your comment.
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