Crop Knowledge Master | Fungi | |
Helminthosporium 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 and Agriculture and Human Resources
University of Hawaii at Manoa
Over thirteen Helminthosporium species have been reported to occur in Hawaii (Raabe, et al., 1981). The following is a list of the reported pathogens from this genus (Helminthosporium) 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.
HELMINTHOSPORIUM CARBONUM
corn, maize (Zea mays)
HELMINTHOSPORIUM CIBOTII
Cibotium sp.
HELMINTHOSPORIUM GLEICHENIAE
false staghorn fern (Dicranopteris linearis)
Gleichenia dichotoma
HELMINTHOSPORIUM MAYDIS
Southern Corn Blight:
corn, maize (Zea mays)
HELMINTHOSPORIUM ?ORYZAE
Brown Spot:
rice (Oryza sativa)
HELMINTHOSPORIUM ?PORTULACAE
Leaf and Stem Blight:
purslane (Portulaca oleracea)
HELMINTHOSPORIUM RAVENELII
Sooty Spike:
smut grass (Sporobolus africanus)
West Indies smut grass (Sporobolus indicus)
HELMINTHOSPORIUM SACCHARI
Leafspot:
para grass (Panicum purpurascens)
pearl millet (Pennisetum glaucum)
napier grass (Pennisetum purpureum)
Other:
sugar cane (Saccharum officinarum)
HELMINTHOSPORIUM SOLANI
Silver Scurf:
potato (Solanum tuberosum)
HELMINTHOSPORIUM SOROKIANA
Seedling Blight:
seaside bentgrass (Agrostis palustris)
HELMINTHOSPORIUM SP.
Brown Spot:
rice (Oryza sativa)
Leaf Blight:
St. Augustine grass (Stenotaphrum secundatum)
Leaf and Stem Blight:
Plectranthus parviflorus
Leafspot:
golden-fruited palm (Chrysalidocarpus lutescens)
wiregrass (Eleusine indica)
English ryegrass (Lolium perenne)
banana (Musa acuminata, AAA)
bamboo palm (Rhapis excelsa)
montbretia (Tritonia sp.)
Manilla grass (Zoysia matrella)
Other:
molasses grass (Melinis minutiflora)
para grass (Panicum purpurascens)
sorghum (Sorghum bicolor)
corn, maize (Zea mays)
HELMINTHOSPORIUM STENOSPILUM
Brown Stripe:
sugar cane (Saccharum officinarum)
HELMINTHOSPORIUM TURCICUM
Leafspot:
kikuyu grass (Pennisetum clandestinum)
corn, maize (Zea mays)
KINGDOM: Mycetae (fungi)
DIVISION: Eumycota
SUBDIVISION: Deuteromycotina (The imperfect fungi)
CLASS: Hyphomycetes
ORDER: Hyphales (Moniliales)
GENERAL CHARACTERISTICS
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TYPES OF DISEASES
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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:
Helminthosporium leafspot of corn
Helminthosporium leafspot of oat
Helminthosporium leafspot of bermuda
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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