This article is a list of diseases of pecan trees (Carya illinoinensis).
Bacterial diseases
Bacterial diseasesCrown gall Agrobacterium tumefaciensPecan bacterial leaf scorch Xylella fastidiosa
Fungal diseases
Fungal diseasesAnthracnose Glomerella cingulata Colletotrichum gloeosporioides [anamorph] Brown leaf spot Sirosporium diffusum Cercospora fuscaClitocybe root rot Armillaria tabescens Clitocybe tabescens Clitocybe parasiticaCotton root rot Phymatotrichopsis omnivora Phymatotrichum omnivorumDowny spot Mycosphaerella caryigena Pseudocercosporella caryigena [anamorph] Eutypa dieback Eutypella scorparia Eutypa heteracanthaGnomonia leaf spot Gnomonia disporaHeart rot Schizophyllum communeLeaf blotch Mycosphaerella dendroides Cercospora halstedii [anamorph] Liver spot Gnomonia caryae Asteroma caryae [anamorph] Nursery blight Elsinoë randii Sphaceloma randii [anamorph] Pecan scab Fusicladium effusumPhysalospora canker Physalospora abdita Physalospora fusca Botryosphaeria rhodina Physalospora rhodinaPhytophthora shuck and kernel rot Phytophthora cactorumPink mold Trichothecium roseum Cephalothecium roseumPowdery mildew Microsphaera penicillataScab Cladosporium caryigenumSeptoria leaf spot Septoria caryaeThread 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
Nematodes, parasiticRing nematode Mesocriconema xenoplaxRoot knot nematode Meloidogyne arenaria Meloidogyne incognita Meloidogyne javanica Meloidogyne partityla
Phytoplasmal diseases
Phytoplasmal diseasesBunch disease Phytoplasma in subgroup III Virus diseases Pecan mosaic-associated virus, potyvirus Miscellaneous diseases and disorders
Miscellaneous diseases and disordersAlgal leaf spot and twig infection Cephaleuros virescensLittle leaf Unknown Mouse ear Nickel deficiencyRosette Zinc deficiency Shuck decline Unknown Stem end blight Unknown
References
Common Names of Diseases, The American Phytopathological Society