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Diseases of Holiday Cacti

Schlumbergera truncata (Haw.) Moran
(= Zygocactus truncatus (Haw.) K. Schum.),
S. × buckleyi (T. Moore) Tjaden,
S. bridgesii (Lem) Loefgr., and Hatiora gaertneri (Regel) Barthlott

R. Wick and B. Dicklow, primary collators (last update 9/9/99)

BACTERIAL DISEASES

Bacterial soft rot

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

FUNGAL DISEASES

Alternaria stem spot

Alternaria sp.

Armillaria root rot

Armillaria tabescens (Scop.) Dennis, Orton & Hora

Anthracnose

Glomerella cingulata (Stoneman) Spauld. & H. Schrenk
(anamorph: Colletotrichum gloeosporioides (Penz.) Penz. &
    Sacc. In Penz.

Bipolaris blight

Bipolaris cactivora (Petr.) Alcorn

Cercospora stem spot

Cercospora sp.

Fusarium root and stem rot

Fusarium oxysporum Schlechtend.:Fr.
Fusarium moniliforme J. Sheld

Phomopsis stem spot

Phomopsis sp.

Phytophthora stem rot

Phytophthora parasitica Dastur
Phytophthora spp.

Pythium root and stem rot

P. aphanidermatum (Edson) Fitzp.
Pythium irregulare Buisman

Rhizoctonia root and stem rot

Rhizoctonia solani Kühn

Tip blight

Dichotomophthora spp.

NEMATODES, PARASITIC

Lesion nematode

Pratylenchus vulnus Allen & Jensen

VIRAL & VIROID DISEASES

Impatiens necrotic spot

Impatiens necrotic spot tospovirus (INSV)

Spotted wilt

Tomato spotted wilt tospovirus (TSWV)