Crop Knowledge Master | Fungi | |
Alternaria Primer |
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General Information Summary |
Pathogens & Hosts | Taxonomy | Characteristics | Disease Types | Management | Graphics | References |
Authors
Andrew K. Gonsalves, Educational Specialist
Stephen A. Ferreira, Extension Plant Pathologist
Department of Plant Pathology, College of Tropical Agriculture and Human Resources
University of Hawaii and Manoa
Over twenty Alternaria species have been reported to occur in Hawaii (Raabe, et al., 1981). The following is a list of the reported pathogens from this genus (Alternaria) and the hosts they infect. The list is organized by the scientific name of the pathogen species (CAPITAL LETTERS), followed by the various susceptible plant hosts. Words in blue indicate what symptom or disease a given pathogen causes on the listed hosts.
ALTERNARIA ALTERNATA
From dark necrotic flecks on flowers:
Dendrobium sp.
Fruit Spot:
papaya (Carica papaya)
Leafspot:
lawn leaf (Dichondra repens)
garden bean (Phaseolus vulgaris)
corn, maize (Zea mays)
ALTERNARIA BRASSICAE
Gray Leafspot:
field mustard (Brassica campestris)
leaf or Chinese mustard (Brassica juncea)
broccoli, cauliflower (Brassica oleracea var. botrytis)
cabbage (Brassica oleracea var. capitata)
Chinese or celery cabbage (Brassica pekinensis)
turnip (Brassica rapa)
radish (Raphanus sativus)
ALTERNARIA BRASSICAE f.sp. PHASEOLI
Leafspot:
garden bean (Phaseolus vulgaris)
ALTERNARIA BRASSICICOLA
Black Leafspot:
cabbage (Brassica oleracea var. capitata)
turnip (Brassica rapa)
ALTERNARIA CUCUMERINA
Leaf Blight:
cucumber (Cucumis sativus)
ALTERNARIA DAUCI
Leafspot:
carrot (Daucus carota var. sativa)
ALTERNARIA DIANTHI
Blight:
sweet william (Dianthus barbatus)
ALTERNARIA DIANTHICOLA
Flower Blight:
carnation (Dianthus caryophyllus)
ALTERNARIA GERBERAE
Leafspot:
Transvaal daisy (Gerbera jamesonii)
ALTERNARIA GOMPHRENAE
Leafspot:
globe amaranth (Gomphrena globosa)
ALTERNARIA OLERACEA
see Alternaria brassicicola
ALTERNARIA PANAX
Leafspot:
umbrella tree (Schefflera actinophylla)
ALTERNARIA PASSIFLORAE
Leaf and Pod Spot:
passion fruit (Passiflora edulis)
yellow passion fruit (Passiflora edulis f.sp. flavicarpa)
love-in-a-mist (Passiflora foetida)
giant granadilla (Passiflora quadragularis)
Passiflora sp.
ALTERNARIA PORRI
Leafspot:
Transvaal daisy (Gerbera jamesonii)
Purple Blotch:
shallot (Allium ascalonicum)
onion (Allium cepa)
leek (Allium porrum), as Macrosporium sp.
ALTERNARIA SOLANI
Early Blight:
spiny amaranth, pakai-puku (Amaranthus spinosus)
Joseph's coat, Chinese spinach (Amaranthus tricolor)
galinsoga (Galinsoga parviflora)
tomato (Lycopersicon esculentum)
eggplant (Solanum melongena)
potato (Solanum tuberosum)
ALTERNARIA SONCHI
Leafspot:
Flora's paintbrush (Emilia sonchifolia)
lettuce (Lactuca sativa)
sowthistle (Sonchus oleracea)
ALTERNARIA SP.
Flower Blight:
baby's breath (Gypsophila paniculata)
Leafspot:
Cattleya sp.
Transvaal daisy (Gerbera jamesonii)
Glycine max
Mexican clover (Richardia brasiliensis)
Tagetes sp.
Wedelia trilobata
Other:
pineapple (Ananas comosus)
coriander (Coriandrum sativum)
carnation (Dianthus caryophyllus)
passion fruit (Passiflora edulis)
yellow passion fruit (Passiflora edulis f.sp. flavicarpa)
love-in-a-mist (Passiflora foetida)
giant granadilla (Passiflora quadragularis)
Vanda sp.
ALTERNARIA TENUIS
Fruit Spot:
papaya (Carica papaya)
Other:
passion fruit (Passiflora edulis)
yellow passion fruit (Passiflora edulis f.sp. flavicarpa)
love-in-a-mist (Passiflora foetida)
giant granadilla (Passiflora quadragularis)
ALTERNARIA TOMATO
Nailhead Spot:
tomato (Lycopersicon esculentum)
Other:
passion fruit (Passiflora edulis)
yellow passion fruit (P. edulis f.sp. flavicarpa)
ALTERNARIA ?ZINNIAE
Alternaria Blight:
cultivated zinnia (Zinnia elegans)
KINGDOM: Mycetae (fungi)
DIVISION: Eumycota (eumycetes)
SUBDIVISION: Deuteromycotina (The imperfect fungi)
CLASS: Hyphomycetes
ORDER: Hyphales (Moniliales)
GENERAL CHARACTERISTICS
No information is available for this section at the moment, please check future Knowledge Master Versions.
TYPES OF DISEASES
No information is available for this section at the moment, please check future Knowledge Master Versions.
No information is available for this section at the moment, please check future Knowledge Master Versions.
Below is a list of graphics that are available for this Genus:
Alternaria leafspot of tobacco
Early blight of tomato
This may be caused by Alternaria solani.
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
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