Etude comparative du contenu phénolique du genre Quercus et de ses zoocécidies

摘要

AbstractComparative Study of Phenolic Contents in Oak Galls. Determinations on galls ofQuercusshow that phenolic compounds and especially tannins do not systematically accumulate in these proliferations. On the contrary, their phenolic content is highly variable and differs between species. Their composition depends apparently not only on the pathogenic agent and the attacked organ, but also on the physiological state of the plant.