Diseases of Butterfly Flower, Poorman's Orchid
(Schizanthus × wisetonensis hort.)

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

BACTERIAL DISEASES

Bacterial fasciation

Rhodococcus fascians (Tilford 1936) Goodfellow 1984, comb. nov.

Bacterial soft rot

Erwinia carotovora subsp. carotovora (Jones 1901) Bergey
    et al. 1923

= Pectobacterium carotovorum subsp. carotovorum (Jones
    1901) Hauben et al. 1999, comb. nov.

Crown gall

Agrobacterium tumefaciens (Smith and Townsend 1907) Conn 1942

FUNGAL DISEASES

Anthracnose

Colletotrichum gloeosporioides (Penz.) Penz. & Sacc. In Penz.

Ascochyta leaf spot

Ascochyta sp.

Botrytis blight

Botrytis cinerea Pers.:Fr.

Phytophthora root rot

Phytophthora cactorum (Lebert & Cohn) J. Schröt.

P. cinnamomi Rands

P. cryptogea Pethybr. & Lafferty

Rhizoctonia root and crown rot

Rhizoctonia solani Kühn

NEMATODES, PARASITIC

Foliar nematode

Aphelenchoides sp.

Root-knot nematode

Meloidogyne javanica (Treub) Chitwood

VIRAL AND VIROID DISEASES

Impatiens necrotic spot

genus Tospovirus, Impatiens necrotic spot virus (INSV)

Tomato spotted wilt

genus Tospovirus, Tomato spotted wilt virus (TSWV)

PHYTOPLASMAL DISEASES

Aster yellows

Aster yellows phytoplasma