pink root of onion
Pyrenochaeta terrestris, Phoma terrestris
Wide host range, though only producing symptoms and disease on onion, corn and rice.
Ubiquitous soil fungus. Often a secondary invader of plant roots when weakened by other pathogens.
4 Known Hosts
Seed is not known to be a pathway.
International Seed Federation Regulated Pest List Database. www.pestlist.worldseed.org. Nyon, switzerland
Sumner, DR. 2008 Pink Root. In, Compendium of Onion and Garlic Diseases and Pests, Second Edition. Eds. Schwartz, HF and Mohan, SK., American Phytopathological Society, St. Paul, MN, USA
Corn may be a host of this pathogen and may express symptoms in the field, but seed is not known to be a pathway.
Rice may be a host of this pathogen and may express symptoms in the field, but seed is not known to be a pathway.
Though this fungus has been found on many Poaceae grasses species, seed is not known to be a pathway. Since the pathogen is a ubiquitous soil fungi it is often isolated from plants weakened by other primary pathogens.
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