Superphylum Heterokonta Family Pythiaceae Scientific name Phytophthora quercina Rank Species | Order Pythiales Genus Phytophthora Higher classification Phytophthora | |
Similar Phytophthora, Phytophthora cambivora, Phytophthora alni, Oomycete, Phytophthora kernoviae | ||
Phytophthora quercina is a papillate homothallic soil-borne plant pathogen causing root rot of oak tree species in Europe. It is associated with necrotic fine roots.
In culture, this species shows a uniform, dome-shaped and cottonwool-like colony growth pattern. It also frequently presents sympodially branched primary hyphae, a high proportion of elongated, ellipsoid or ovoid oogonia, the absence of amphigynous antheridia. Its sporangia vary greatly in size and shape.
Its name derives from Greek Phytophthora φυτόν (phytón), “plant” and φθορά (phthorá), “destruction” and quercina stems from the affected genus, Quercus.
References
Phytophthora quercina Wikipedia(Text) CC BY-SA