List of avocado diseases

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This article is a list of diseases of avocados (Persea americana).

Bacterial diseases[edit]

Bacterial diseases
Bacterial canker Pseudomonas syringae

Xanthomonas campestris

Blast and bacterial fruit spot Pseudomonas syringae
Crown gall Agrobacterium tumefaciens

Fungal diseases[edit]

Fungal diseases
Armillaria root rot

Shoestring root rot

Black mildew
Branch canker
Butt rot
Cercospora spot (blotch)
Clitocybe root rot
Collar rot
Dematophora root rot
Fruit rot (includes stem end rot & fruit spots)
Heart rot
Leaf spots
Phomopsis spot Phomopsis spp.
Physalospora canker
Phytophthora crown rot
Phytophthora trunk canker
Phytophthora root rot
Pink rot
Powdery mildew
Rhizoctonia seed and root rot
Root and bark rot
Root rot
Rosellinia root rot
Rusty blight
Scab (fruit & leaf)
Seedling blight
Smudgy spot
Sooty blotch
Tar spot
Verticillium wilt
Wood rots

Viruslike diseases[edit]

Viruslike diseases
Sunblotch Avocado sunblotch viroid
Trunk pitting Graft transmissible agent

Miscellaneous diseases and disorders[edit]

Miscellaneous diseases and disorders
Algal spot Cephaleuros virescens Kunze
Blackstreak Unknown breast cause
Dieback Copper deficiency
Edema Physiological
Littleleaf rosette Zinc deficiency
Tipburn Excess mineral salts