Rhodococcus fascians
leafy gall
Corynebacterium fascians, Bacterium fascians, Phytomonas fascians, Pseudobacterium fascians, Rhodococcus rubropertinctus
Europe, North America, Central America, Australia, New Zealand, Iran, Russia, Egypt, Colombia
Widespread
2023-08-21 16:50:36
bacterium
Brazil, Thailand
Primarily a pest of ornamentals, woody ornamentals and floowers. Vegetables and agronomic crops reported susceptible to the bacterium are listed below. Transmits primarily through propagation.
CORBFA
Though found in many US states, the pathogen is usually restricted and localized. Probably Worldwide, though not reported. Disease outbreaks are sporadic and usually related to poor sanitation. Bulbs, floral and greenhouse crops most susceptible to disease outbreaks. No reports of seed as a pathway in vegetables and agronomic crops.
23 Known Hosts
Lactuca sativa
lettuce
No
CORBFA-2
Lettuce may be a host for this pathogen, though not common. No references found indicating seed is a pathway.
International Seed Federation Regulated Pest List Database. pestlist.worldseed.org Nyon Switzerland
Beta vulgaris
table beet, swiss chard
No
CORBFA-3
Listed as a potential host, not common. No references found indicating seed is a pathway.
Putnam,M.L. and Miller, M.L. 2007. Rhodococcus facians in Herbaceous Perennials. Plant Disease 91: 1064-1076
Spinacia oleracea
spinach
No
CORBFA-2
Though listed as a host in CABI CPC, no references found verifying that spinach is a host for this bacterium.
International Seed Federation Regulated Pest List Database. pestlist.worldseed.org Nyon Switzerland
Brassica oleracea vars.
cauliflower, cabbage, broccoli, brussel sprouts
No
CORBFA-3,CORBFA-2
Only broccoli listed as a potential host. Cabbage and cauliflower may not be hosts. No references found indicating seed is a pathway.
Cucumis melo
melon
No
CORBFA-2
Melon is not a common host for this pathogen. No references found indicating seed is a pathway
International Seed Federation Regulated Pest List Database. pestlist.worldseed.org Nyon Switzerland
Cucumis sativus
cucumber
No
CORBFA-2
Cuccumber is not a common host for this pathogen. No references found indicating seed is a pathway.
International Seed Federation Regulated Pest List Database. pestlist.worldseed.org Nyon Switzerland
Glycine max
soybean
No
CORBFA-3
Listed as a potential host, not common. No references found indicating seed is a pathway.
Putnam,M.L. and Miller, M.L. 2007. Rhodococcus facians in Herbaceous Perennials. Plant Disease 91: 1064-1076
Phaseolus vulgaris
bean
No
CORBFA-3,CORBFA-2
Listed as a potential host in CABI CPC but no references found verifying bean as a host. No references found indicating seed is a pathway.
Pisum sativum
pea
No
CORBFA-4,CORBFA-3
Pea may be a host, but uncommon. Seed as a possible pathway was cited in CORBFA-3, however, the citation used for this claim (CORBFA-4) actually was referring to sweet pea, Lathyrus odoratus and not Pisum sativum.
Capsicum annuum
pepper
No
CORBFA-2,CORBFA-3
Though mentioned as a host, no original reference exists. and infection is uncommon. No references found indicating seed is a pathway.
Solanum lycopersicum
tomato
No
CORBFA-2,CORBFA-3
Listed as a potential host, not common. No references found indicating seed is a pathway.
Zea mays
corn
No
CORBFA-3
No evidence of natural infections. May not be a host. No references found indicating seed is a pathway.
Putnam,M.L. and Miller, M.L. 2007. Rhodococcus facians in Herbaceous Perennials. Plant Disease 91: 1064-1076
Medicago sativa
alfalfa
No
CORBFA-3
Listed as a potential host, no published references found to support. No references found indicating seed is a pathway.
Putnam,M.L. and Miller, M.L. 2007. Rhodococcus facians in Herbaceous Perennials. Plant Disease 91: 1064-1076
Apium graveolens
celery
No
CORBFA-3
Listed as a potential host, not common. No references found indicating seed is a pathway.
Putnam,M.L. and Miller, M.L. 2007. Rhodococcus facians in Herbaceous Perennials. Plant Disease 91: 1064-1076
Vicia faba
faba bean
No
CORBFA-3
Listed as a potential host, not common. No references found indicating seed is a pathway.
Putnam,M.L. and Miller, M.L. 2007. Rhodococcus facians in Herbaceous Perennials. Plant Disease 91: 1064-1076
Cicer arietinum
chickpea
No
CORBFA-3
Listed as a potential host, not common. No references found indicating seed is a pathway.
Putnam,M.L. and Miller, M.L. 2007. Rhodococcus facians in Herbaceous Perennials. Plant Disease 91: 1064-1076
Petunia spp.
petunia
No
CORBFA-3,CORBFA-1
Listed as a host, but uncommon. No evidence that seed is a pathway.
Pelargonium spp.
geranium
No
CORBFA-3,CORBFA-1
Listed as a host, but uncommon. No evidence that seed is a pathway
Dianthus spp.
carnation, sweet william
No
CORBFA-3,CORBFA-1
No evidence that seed is a pathway
Begonia spp.
begonia
No
CORBFA-1,CORBFA-3
Listed as a potential host, not common. No evidence that seed is a pathway.
Chrysanthemum spp.
chrysanthemum
No
CORBFA-1,CORBFA-3
Listed as a potential host, not common. No evidence that seed is a pathway.
Impatiens spp.
impatiens
No
CORBFA-1,CORBFA-3
Listed as a potential host, not common. No evidence that seed is a pathway.
Tagetes spp.
marigold
No
CORBFA-3,CORBFA-1
Listed as a potential host, not common. No evidence that seed is a pathway.
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