List of pecan diseases

This article is a list of diseases of pecan trees (Carya illinoinensis).

Bacterial diseases

Bacterial diseases
Crown gall	Agrobacterium tumefaciens
Pecan bacterial leaf scorch	Xylella fastidiosa

Fungal diseases
Anthracnose	Glomerella cingulata Colletotrichum gloeosporioides [anamorph]
Brown leaf spot	Sirosporium diffusum = Cercospora fusca
Clitocybe root rot	Armillaria tabescens = Clitocybe tabescens = Clitocybe parasitica
Cotton root rot	Phymatotrichopsis omnivora = Phymatotrichum omnivorum
Downy spot	Mycosphaerella caryigena Pseudocercosporella caryigena [anamorph]
Eutypa dieback	Eutypella scorparia = Eutypa heteracantha
Gnomonia leaf spot	Gnomonia dispora
Heart rot	Schizophyllum commune
Leaf blotch	Mycosphaerella dendroides = Cercospora halstedii [anamorph]
Liver spot	Gnomonia caryae Asteroma caryae [anamorph]
Nursery blight	Elsinoë randii Sphaceloma randii [anamorph]
Pecan scab	Fusicladium effusum
Physalospora canker	Physalospora abdita = Physalospora fusca Botryosphaeria rhodina = Physalospora rhodina
Phytophthora shuck and kernel rot	Phytophthora cactorum
Pink mold	Trichothecium roseum = Cephalothecium roseum
Powdery mildew	Microsphaera penicillata
Scab	Cladosporium caryigenum
Septoria leaf spot	Septoria caryae
Thread blight	Ceratobasidium sp.
Twig die back	Botryosphaeria dothidea Fusicoccum aesculi [anamorph]
Vein spot	Gnomonia nerviseda Leptothyrium nervisedum [anamorph]
Violet root rot	Helicobasidium brebissonii Rhizoctonia crocorum [anamorph]
Zonate leaf spot	Grovesinia pyramidalis Cristulariella moricola [anamorph]

Nematodes, parasitic
Ring nematode	Mesocriconema xenoplax
Root knot nematode	Meloidogyne arenaria Meloidogyne incognita Meloidogyne javanica Meloidogyne partityla

Phytoplasmal diseases
Bunch disease	Phytoplasma in subgroup III

Pecan mosaic-associated virus, potyvirus

Miscellaneous diseases and disorders
Algal leaf spot and twig infection	Cephaleuros virescens
Little leaf	Unknown
Mouse ear	Nickel deficiency
Rosette	Zinc deficiency
Shuck decline	Unknown
Stem end blight	Unknown

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