| Fungal diseases |
|
|---|---|
| Alternaria fruit rot |
Alternaria spp. |
| Anthracnose canker and bull's-eye rot |
Pezicula malicorticus |
| Armillaria root rot (shoestring root rot) |
Armillaria mellea |
| Bitter rot |
Glomerella cingulata |
| Black rot, leaf spot and canker |
Botryosphaeria obtusa |
| Black spot (of Japanese pear) |
Alternaria alternata |
| Blister canker |
Helminthosporium papulosum |
| Blister disease | Coniothecium chomatosporum |
| Blue mold rot |
Penicillium spp. |
| Botrytis spur and blossom blight |
Botrytis cinerea |
| Brown rot |
Monilinia fructicola |
| Cladosporium fruit rot |
Cladosporium herbarum |
| Clitocybe root rot (mushroom root rot) |
Armillaria tabescens |
| Coprinus rot |
Coprinus psychromorbidus |
| Dematophora root rot (Rosellinia root rot) |
Rosellinia necatrix |
| Diplodia canker |
Botryosphaeria stevensii |
| Elsinoe leaf and fruit spot |
Elsinoe piri |
| European canker |
Nectria galligena |
| Fabraea leaf and fruit spot |
Diplocarpon mespili |
| Fly speck |
Schizothyrium pomi |
| Gibberella canker |
Gibberella baccata |
| Gray mold rot |
Botrytis cinerea |
| Late leaf spot |
Cercospora minima |
| Mucor fruit rot |
Mucor spp. |
| Mycosphaerella leaf spot (ashy leaf spot and fruit spot) |
Mycosphaerella pyri |
| Nectria twig blight (coral spot) |
Nectria cinnabarina |
| Pear scab |
Venturia pirina |
| Perennial canker |
Neofabraea perennans |
| Phyllosticta leaf spot |
Phyllosticta sp. |
| Phytophthora crown and root rot (sprinkler rot) |
Phytophthora cactorum |
| Pink mold rot |
Trichothecium roseum |
| Powdery mildew |
Podosphaera leucotricha |
| Pythium dieback |
Pythium spp. |
| Rhizopus rot |
Rhizopus stolonifer |
| Rust, American hawthorne |
Gymnosporangium globosum |
| Rust, Kern's pear |
Gymnosporangium kernianum |
| Rust, Pacific Coast pear |
Gymnosporangium libocedri |
| Rust, pear trellis (European pear rust) |
Gymnosporangium fuscum |
| Rust, Rocky Mountain pear |
Gymnosporangium nelsonii |
| Side rot |
Phialophora malorum |
| Silver leaf |
Chondrostereum purpureum |
| Sooty blotch |
Gloeodes pomigena |
| Thread blight (Hypochnus leaf blight) |
Corticium stevensii |
| Valsa canker |
Valsa ceratosperma |
| Wood rot |
Trametes versicolor |
| Xylaria root rot |
Xylaria spp. |
Read more about this topic: List Of Pear Diseases
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