Bleeding canker symptom on a coast live oak
cultivar 'var. botrytis' = cauliflower
On bay on White Hill fire road, Woidacre
co-infecting with Albugo candida
A water mould, isolated onto sterile pumpkin seeds. Genus is characterised by zoospores which encyst immediately after the release from the zoosporangium. Related to the Saprolegnia disease of fish.
Oomycota or oomycetes (oömycetes) form a distinct phylogenetic lineage of fungus-like eukaryotic microorganisms. They are filamentous, microscopic, absorptive organisms that reproduce both sexually and asexually. Oomycetes occupy both saprophytic and pathogenic lifestyles – and include some of the most notorious pathogens of plants, causing devastating diseases such as late blight of potato and sudden oak death. They are also often referred to as water molds (or water moulds), although the water-preferring nature which led to that...