Oospores and oogonia with mostly paragynous but some amphigynous antheridia of P. tentaculata
Photo Gallery
P. tentaculata oogonia and antheridia |
P. tentaculata disease symptoms on California mugwort Nursery grown California mugwort plant (Artemisia douglasiana) infected with P. tentaculata and exhibiting severe root and crown rot |
P. tentaculata disease symptoms on sticky monkey flower Crown and root rot (left) on sticky monkey flower (Diplacus aurantiacus) compared with a control (right) |
P. tentaculata on V-8 media Culture of P. tentaculata on V-8 media |
P. tentaculata disease symptoms on California mugwort Outplanted California mugwort (Artemisia douglasiana) infected with P. tentaculata, 4.5 years after planting. Plant shows stunting and chlorosis. (P. cryptogea and P. lacustris were also baited from roots/soil of this plant). |
P. tentaculata microscopic characteristics Hyphal swellings occuring at branching points of Mycelium (A), Intercalary hyphal swellings (B), Chlamydospore (C ), Sporangia (D) |
P. tentaculata chlamydospore Terminal chlamydospore of P. tentaculata |
P. tentaculata chlamydospore P. tentaculata chlamydospore with short hyphal projection |
P. tentaculata disease symptoms on sticky monkey flower Crown and root rot (left) on sticky monkey flower (Diplacus aurantiacus) compared with a control (right) |
P. tentaculata sporangium Papillate sporangium of P. tentaculata |
P. tentaculata hyphae Looping hyphae commonly seen with P. tentaculata on PARP media |
P. tentaculata sporangium Papillate sporangium of P. tentaculata with an elongated neck or beak. |