List of Poinsettia Diseases - Fungal Diseases

Fungal diseases
Anthracnose

Colletotrichum capsici
Colletotrichum dematium
Glomerella cingulata
Colletotrichum gloeosporioides

Aerial blight

Ceratobasidium ramicola
Rhizoctonia ramicola

Basal stem and crown rot

Sclerotinia sclerotiorum
Basal stem and root rot

Ceratocystis sp.
Thielaviopsis basicola
Chalara elegans

Black rot

Botryodiplodia sp.
Bract, flower and leaf blight

Phytophthora drechsleri
Bract spot

Corynespora cassiicola
Crown and stem rot

Fusarium oxysporum
Nectria haematococca
Fusarium solani

Cutting rot

Cylindrocladium scoparium
Dieback

Lasiodiplodia theobromae
= Botryosphaeria theobromae
Gray mold

Botryotinia ricini
Amphobotrys ricini
= Botrytis ricini
Botryotinia fuckeliana
Botrytis cinerea

Leaf necrosis

Cladosporium sp.
Macrophoma sp.
Leaf spot

Alternaria euphorbiicola
Ascochyta sp.
Cercospora pulcherrimae
Curvularia sp.
Drechslera sp.
Myrothecium roridum
Phyllosticta sp.
Syspastospora parasitica
= Melanospora parasitica
Stemphylium sp.
Mushroom root rot

Armillaria tabescens
Powdery mildew

Oidium sp.
Erysiphe sp.
Microsphaera euphorbiae
Root rot

Phytophthora nicotianae
= Phytophthora nicotianae var. parasitica
Pythium aphanidermatum
Pythium debaryanum
Pythium myriotylum
Pythium perniciosum
Pythium splendens
Pythium ultimum
Root and stem rot

Thanatephorus cucumeris
Rhizoctonia solani

Rust

Puccinia sp.
Uromyces euphorbiae
= Uromyces proëminens var. poinsettiae
Scab

Sphaceloma poinsettiae
Stem gall

Nectriella pironii
Kutilakesa pironii

Stem rot

Botryosphaeria ribis
Diplodia sp.
Leptothyrium sp.
Phoma sp.
Phomopsis sp.

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