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Diseases of Persian Violet
(Exacum affine)

Margery Daughtrey, collator (last update 5/25/00

FUNGAL DISEASES

Botrytis blight

Botrytis cinerea Pers.:Fr.

Fusarium root and crown rot

Fusarium solani (Mart.) Sacc.

Nectria canker

Nectria haematococca Berk. & Broome

Phytophthora blight

Phytophthora parasitica Dastur

Pythium root rot

Pythium sp.

Rhizoctonia root and crown rot

Rhizoctonia solani Kühn

Southern blight

Sclerotium rolfsii Sacc.

VIRAL AND VIROID DISEASES

Impatiens necrotic spot

genus Tospovirus, Impatiens necrotic spot virus (INSV)