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List of lettuce diseases

From Wikipedia, the free encyclopedia

This article is a list of diseases of lettuce (Lactuca sativa).

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Transcription

Bacterial diseases

Bacterial diseases
Bacterial leaf spot and head rot Xanthomonas campestris pv. vitians
Bacterial soft rot Erwinia carotovora

Pseudomonas marginalis

Corky root Rhizomonas spp.

R. suberifaciens

Varnish spot Pseudomonas cichorii

Fungal diseases

Fungal diseases
Alternaria leaf spot

Alternaria sonchi

Anthracnose

Microdochium panattonianum
= Marssonina panattoniana

Bottom rot

Rhizoctonia solani
Thanatephorus cucumeris [teleomorph]

Cercospora leaf spot

Cercospora longissima

Damping-off, Pythium

Pythium spp.
Pythium ultimum

Damping-off, Rhizoctonia

Rhizoctonia solani

Downy mildew

Bremia lactucae
Plasmopara lactucae-radicis

Drop (Sclerotinia rot)

Sclerotinia sclerotiorum
Sclerotinia minor

Gray mold

Botrytis cinerea
Botryotinia fuckeliana [teleomorph]

Phymatotrichum root rot (cotton root rot)

Phymatotrichopsis omnivora
= Phymatotrichum omnivorum

Powdery mildew

Erysiphe cichoracearum

Rust

Puccinia dioicae
= Puccinia extensicola var. hieraciata

Septoria leaf spot

Septoria lactucae

Southern blight

Sclerotium rolfsii
Athelia rolfsii [teleomorph]

Stemphylium leaf spot

Stemphylium botryosum
Pleospora tarda [teleomorph]

Wilt and leaf blight

Pythium tracheiphilum

Miscellaneous diseases and disorders

Miscellaneous diseases and disorders
Brown stain Physiological, excess CO2
Russet spotting Physiological, excess ethylene
Tipburn Physiological, Ca** deficiency and high temperature

Nematodes, parasitic

Nematodes, parasitic
False root knot

Nacobbus aberrans

Lesion

Pratylenchus spp.

Needle

Longidorus spp.

Root-knot

Meloidogyne spp.

Spiral

Rotylenchus robustus

Stunt

Melinius brevidens
Tylenchorhynchus spp.

Phytoplasma, Viral and viroid diseases

Viral and viroid diseases
Big vein Lettuce big vein virus
Calico Alfalfa mosaic virus

Tobacco ringspot virus

Lettuce dieback[1] Lettuce necrotic stunt virus
Internal rib necrosis
Lettuce mosaic virus
Mosaic Lettuce mosaic virus

Bidens mosaic virus
Cucumber mosaic virus
Turnip mosaic virus

Necrotic yellows Lettuce necrotic yellows virus
Ring necrosis Presumed viral agent (not identified)
Rusty brown discoloration Accentuated by lettuce mosaic virus
Speckles Lettuce speckles virus and beet western yellows virus
Stunt Beet yellow stunt virus
Virescence Aster yellows phytoplasma

Beet leafhopper-transmitted virescence phytoplasma

Wilt Broadbean wilt virus

Tomato spotted wilt virus

Yellow spot Tobacco rattle virus
Yellows Beet western yellows virus
Other Sowthistle yellow vein virus

References

  1. ^ "Lettuce Dieback". University of California Agriculture and Natural Resources.
This page was last edited on 23 April 2022, at 18:17
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