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Hosts

Over seven Erwinia species and sub-species have been reported to occur in Hawaii (Raabe, et al., 1981). The following is a list of the reported pathogens from this genus (Erwinia) and the hosts they infect. The list is organized by the scientific name of the pathogen species (CAPITAL LETTERS), followed by the symptom or disease the pathogen causes the listed hosts.

ERWINIA CARNEGIANA

Bacterial Spot:

• watermelon (Citrullus vulgaris)

ERWINIA CAROTOVORA

Bacterial Soft Rot:

• garden bean (Phaseolus vulgaris)
• Philodendron selloum
• Polyscias fruticosa
• eggplant (Solanum melongena)

ERWINIA CAROTOVORA subsp. ATROSEPTICA

Black Heart, Soft Rot:

• eggplant (Solanum melongena)
• potato (Solanum tuberosum)

ERWINIA CAROTOVORA subsp. CAROTOVORA

Bacterial Soft rot:

• shallot (Allium ascalonicum)
• onion (Allium cepa)
• Allium sp.
• broccoli, cauliflower (Brassica oleracea var. botrytis)
• cabbage (Brassica oleracea var. capitata)
• Chinese or celery cabbage (Brassica pekinensis)
• sweet pepper (Capsicum frutescens)
• Cattleya sp.
• taro (Colocasia esculenta)
• carrot (Daucus carota var. sativa)
• sorghum (Sorghum bicolor)

Hollow Stem:

• tomato (Lycopersicon esculentum)

Stump Rot:

• head lettuce (Lactuca sativa var. capitata)

ERWINIA CHRYSANTHEMI

Bacterial Blight:

• florist's chrysanthemum (Chrysanthemum morifolium)

Bacterial Leafspot:

• syngonium (Syngonium podophyllum)
• Indian jujube (Ziziphus mauritiana)

Bacterial Wilt:

• Dendrobium sp.
• Grammatophyllum sp.

Soft Rot:

• Philodendron sp.
• corn, maize (Zea mays)

Other:

• Vanda sp.

ERWINIA HERBICOLA

Leafspot:

• syngonium (Syngonium podophyllum)

Pink Disease:

• pineapple (Ananas comosus)

Purple Stain:

• papaya (Carica papaya)

Other:

• golden-fruited palm (Chrysalidocarpus lutescens)

ERWINIA SP.

• watermelon (Citrullus vulgaris)

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Distribution

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Damage

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Biology

KINGDOM: Monera (prokaryotes)

DIVISION: Gracilicutes

CLASS: Proteobacteria

FAMILY: Enterobacteriaceae

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Behavior

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Management

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References

Agrios, G.N. 1988. Plant Pathology, 3rd edition. Academic Press, Inc: San Diego. 803 pp.

Farr, D.F., G.F. Bills, G.P. Chamuris, and A.Y. Rossman. 1989. Fungi on Plants and Plant Products in the United States. APS PRESS: St. Paul, Minnesota. 1252 pp.

Raabe, Robert D., Ibra L. Conners, and Albert P. Martinez. 1981. Checklist of Plant Diseases in Hawaii. Hawaii Institute of Agriculture and Human Resources, College of Tropical Agriculture and Human Resources, University of Hawaii (Information Text Series 022).

Streets, R.B. 1982. The Diagnosis of Plant Diseases: a field and laboratory manual emphasizing the most practical methods for rapid identification. The University of Arizona Press: Tucson, Arizona.

JUNE 1994

1-ERWINI

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Photos

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