Fungal diseases
|
| Alternaria fruit rot
|
Alternaria spp.
|
| Anthracnose canker and bull's-eye rot
|
Pezicula malicorticus
Cryptosporiopsis curvispora [anamorph]
|
| Armillaria root rot (shoestring root rot)
|
Armillaria mellea
Rhizomorpha subcorticalis [anamorph]
|
| Bitter rot
|
Glomerella cingulata
Colletotrichum gloeosporioides [anamorph]
|
| Black rot, leaf spot and canker
|
Botryosphaeria obtusa
Sphaeropsis malorum [anamorph]
|
| Black spot (of Japanese pear)
|
Alternaria alternata
|
| Blister canker
|
Helminthosporium papulosum
|
| Blister disease
|
Coniothecium chomatosporum
|
| Blue mold rot
|
Penicillium spp.
Penicillium expansum
|
| Botrytis spur and blossom blight
|
Botrytis cinerea
Botryotinia fuckeliana [teleomorph]
|
| Brown rot
|
Monilinia fructicola
Monilinia laxa
|
| Cladosporium fruit rot
|
Cladosporium herbarum
Mycosphaerella tassiana [teleomorph]
|
Clitocybe root rot (mushroom root rot)
|
Armillaria tabescens
= Clitocybe tabescens
|
| Coprinus rot
|
Coprinopsis psychromorbida
|
| Dematophora root rot (Rosellinia root rot)
|
Rosellinia necatrix
Dematophora necatrix [anamorph]
|
| Diplodia canker
|
Botryosphaeria stevensii
= Physalospora malorum
Diplodia mutila [anamorph]
|
| Elsinoe leaf and fruit spot
|
Elsinoe piri
Sphaceloma pirinum [anamorph]
|
| European canker
|
Nectria galligena
Cylindrocarpon heteronemum [anamorph]
|
| Fabraea leaf and fruit spot
|
Diplocarpon mespili
= Fabraea maculata
Entomosporium mespili [anamorph]
|
| Fly speck
|
Schizothyrium pomi
Zygophiala jamaicensis [anamorph]
|
| Gibberella canker
|
Gibberella baccata
Fusarium lateritium [anamorph]
|
| Gray mold rot
|
Botrytis cinerea
|
| Late leaf spot
|
Cercospora minima
|
| Mucor fruit rot
|
Mucor spp.
Mucor piriformis
|
| Mycosphaerella leaf spot (ashy leaf spot and fruit spot)
|
Mycosphaerella pyri
= Mycosphaerella sentina
Septoria pyricola [anamorph]
|
| Nectria twig blight (coral spot)
|
Nectria cinnabarina
Tubercularia vulgaris [anamorph]
|
| Pear scab
|
Venturia pyrina
Fusicladium pyrorum [anamorph]
|
| Perennial canker
|
Neofabraea perennans
Cryptosporiopsis perennans [anamorph]
|
| Phyllosticta leaf spot
|
Phyllosticta sp.
|
| Phytophthora crown and root rot (sprinkler rot)
|
Phytophthora cactorum
|
| Pink mold rot
|
Trichothecium roseum
= Cephalothecium 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
= Pellicularia koleroga
= Hypochnus ochroleucus
|
| Valsa canker
|
Valsa ceratosperma
Cytospora sacculus [anamorph]
|
| Wood rot
|
Trametes versicolor
and various basidiomycetes
|
| Xylaria root rot
|
Xylaria spp.
|
