Purpureocillium lilacinum (pathogen of nematodes)

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Purpureocillium lilacinum (click on image to enlarge it)
Source: Wikimedia Commons

Purpureocillium lilacinum (Thom) Luangsa-Ard, Hywel-Jones and Samson 2011 (pathogen of nematodes)

The fungus is a widespread and common saprophytic soil fungus which is being studied and used for the biological control of plant diseases and pests. Strains which infect the eggs of plant parasitic nematodes are being produced commercially. The fungus can tolerate a wide range of temperature and pH.

Conidiophores are about 300-500 µm long with a narrow neck and bear chains of elliptical conidia (2½-3 x 2 µm) which have a violet tinge. Chlamydospores or a sexual stage are unknown. Some strains are also explored as antagonists of plant diseases, see Purpureocillium lilacinum (antagonist), and as entomopathogens, see Purpureocillium lilacinum (entomopathogen).

Synonyms:
Paecilomyces lilacinus