List of almond diseases

This article is a list of diseases of almonds (Prunus dulcis).

Bacterial diseases

Bacterial diseases
Almond leaf scorch	Xylella fastidiosa
Bacterial canker	Pseudomonas syringae pv. syringae
Bacterial hyperplastic canker	Pseudomonas amygdali
Bacterial spot	Xanthomonas campestris pv. pruni
Crown gall	Agrobacterium tumefaciens

Fungal diseases

diseases
Alternaria leaf spot	Alternaria alternata
Almond Anthracnose	Colletotrichum acutatum
Armillaria root rot	Armillaria mellea Rhizomorpha subcorticalis [anamorph]
Band canker = Dothiorella canker	Botryosphaeria dothidea Dothiorella sp. [anamorph]
Brown rot	Monilinia fructicola Monilinia laxa Monilia sp. [anamorph]
Ceratocystis canker	Ceratocystis fimbriata
Green fruit rot	Botrytis cinerea Botryotinia fuckeliana [teleomorph] Monilinia fructicola Monilinia laxa Monilia sp. [anamorph] Sclerotinia sclerotiorum
Hull rot	Monilinia fructicola Monilinia laxa Rhizopus arrhizus Rhizopus circinans Rhizopus stolonifer
Leaf blight	Discostroma corticola Seimatosporium lichenicola [anamorph]
Leaf curl	Taphrina deformans
Leucostoma canker	Leucostoma cincta Leucocytospora cincta [anamorph] Leucostoma persoonii Leucocytospora leucostoma [anamorph]
Phomopsis canker and fruit rot	Phomopsis amygdali = Fusicoccum amygdali
Phytophthora root and crown rot	Phytophthora spp. Phytophthora cactorum Phytophthora cambivora Phytophthora cinnamomi Phytophthora citricola Phytophthora citrophthora Phytophthora cryptogea Phytophthora drechsleri Phytophthora megasperma Phytophthora nicotianae Phytophthora syringae
Powdery mildew	Podosphaera tridactyla var. tridactyla Oidium passerinii [anamorph] Sphaerotheca pannosa [anamorph]
Red leaf blotch	Polystigma ochraceum
Rust = Stone fruit rust	Tranzschelia discolor
Scab	Venturia carpophila Cladosporium carpophilum [anamorph]
Shot hole	Wilsonomyces carpophilus = Stigmina carpophila
Silver leaf	Chondrostereum purpureum
Verticillium wilt	Verticillium dahliae

Nematodes, parasitic

Nematodes, parasitic
Dagger nematode	Xiphinema americanum
Ring nematode	Mesocriconema xenoplax
Root-knot nematode	Meloidogyne arenaria Meloidogyne hapla Meloidogyne incognita Meloidogyne javanica
Root-lesion nematode	Pratylenchus penetrans Pratylenchus dulscus

Viral diseases

Viral diseases
Calico	genus Ilarvirus, Prunus necrotic ringspot virus (PNRSV)
Enation	genus Nepovirus, Tomato black ring virus (TBRV)
Infectious bud failure	genus Ilarvirus, Prunus necrotic ringspot virus (PNRSV)
Peach mosaic	Cherry mottle leaf virus
Peach yellow bud mosaic	genus Nepovirus, Tomato ringspot virus (ToRSV)

Phytoplasmal diseases

Phytoplasmal diseases
Almond brown line and decline	Peach yellow leaf roll phytoplasma
Almond kernel shrivel	Peach yellow leaf roll phytoplasma
European stone fruit yellows	European stone fruit yellows phytoplasma
Western X disease	Western-X phytoplasma

Miscellaneous diseases and disorders

Miscellaneous diseases and disorders
Bryobia mite	insect infestation
Corky growth (on leaves)	Physiological
Corky spot (on kernels)	Unknown
Foamy canker	Unknown
Fusarium root rot	Fusarium spp.
Noninfectious bud failure = Crazy top	Genetic
Nonproductive syndrome = Bull trees	Unkno
Pythium root rot	Pythium spp.
Union mild etch	Unknown

References

Common Names of Diseases, The American Phytopathological Society
The Almond Doctor University of California Cooperative Extension Website containing descriptions of almond diseases and pests.

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