It is a parasite of many fungi and other oomycetes including Botrytis, Fusarium and Phytophthora.

It has been licensed[1] as a biocontrol agent in the form of an oospore soil treatment, which reduces pathogen load and concomitant plant disease.

P. oligandrum have been found to express several genes belonging to the CAZy-family when feeding on prey.

[2] P. oligandrum can grow within the roots of certain plants, including tomato and sugar beet.

UC IPM provides an automated tool to evaluate the ecotoxicology risk of the use of P.