List of geranium diseases

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This article is a list of diseases of geraniums (Pelargonium).

Contents

[edit] Bacterial diseases

Bacterial diseases
Bacterial blight Xanthomonas campestris pv. pelargonii
Bacterial fasciation Rhodococcus fascians = Corynebacterium fascians
Bacterial leaf spot Acidovorax sp.

Pseudomonas cichorii
Pseudomonas syringae
Crown gall Agrobacterium tumefaciens
Southern wilt Pseudomonas solanacearum

[edit] Fungal diseases

Fungal diseases
Armillaria root rot Armillaria mellea
Black root rot Thielaviopsis basicola
Blackleg

Cutting rot

 Pythium sp.
Botryosphaeria stem rot Botryosphaeria ribis
Botrytis blight Botrytis cinerea
Cottony stem rot Sclerotinia sclerotiorum
Damping-off Pythium sp.

Rhizoctonia sp.
Downy mildew Peronospora conglomerata
Fusarium cutting rot Fusarium sp.
Glomerella stem rot Glomerella cingulata
Leaf mold Aspergillus fischerianus

Diaporthe rudis = D. meduseae
Botryosporium pulchrum
Leaf spot Alternaria alternata = Alternaria tenuis

Cercospora brunkii
Bipolaris setariae
Cochliobolus setariae [teleomorph]
Bipolaris maydis
Cochliobolus heterostrophus [teleomorph]
Ascochyta spp.
Discohainesia oenotherae
Pleosphaerulina spp.
Colletotrichum gloeosporiodes
Glomerella cingulata [teleomorph]
Phyllosticta spp.
Cylindrocladium scoparium
Calonectria kyotensis [teleomorph]
Phytophthora root rot Phytophthora spp.
Powdery mildew Erysiphe communis
Pythium root rot Pythium spp.
Rhizoctonia root and crown rot Rhizoctonia solani

Thanatephorus cucumeris [teleomorph]
Rust Puccinia pelargonii-zonalis
Verticillium wilt Verticillium albo-atrum

Verticillium dahliae

[edit] Virus diseases

Virus diseases
Leaf cupping and curling Beet curly top geminivirus
Mosaic Arabis mosaic virus

Cucumber mosaic virus
Tobacco mosaic virus
Impatiens necrotic spot virus
Tobacco rattle virus
Pelargonium flower break Pelargonium flower break virus
Pelargonium line pattern Pelargonium line pattern virus
Pelargonium ring pattern Pelargonium ring pattern virus
Pelargonium ringspot Tomato ringspot virus

Tobacco ringspot virus
Pelargonium zonate spot Pelargonium zonate spot virus
Vein clearing Pelargonium vein clearing virus

[edit] Nematodes, parasitic

Nematodes, parasitic
Foliar nematode Aphelenchoides coffeae

Aphelenchoides fragariae
Nematodes Pratylenchus pratensis

Tylenchorhynchus dubius
Xiphinema americanum
Root knot Meloidogyne arenaria

Meloidogyne hapla
Meloidogyne incognita

[edit] Miscellaneous diseases and disorders

Miscellaneous diseases and disorders
Edema (Oedema)
Moisture imbalance in plants when soil is warm and wet while the air is cool and wet
Leaf bleaching
Heat stress
Yellow net vein


[edit] References

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