Crop Knowledge Master | Fungi | |
Exserohilum 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 four Exserohilum species have been reported to occur in Hawaii (Raabe, et al., 1981). The following is a list of the reported pathogens from this genus (Exserohilum) 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.
EXSEROHILUM PEDICELLATUM
Leafspot:
corn, maize (Zea mays)
EXSEROHILUM ROSTRATUM
Flower Fleck:
Dendrobium sp.
Seedling Blight:
sorghum (Sorghum bicolor)
feterita (Sorghum caudatum)
EXSEROHILUM SP.
Leafspot:
golden-fruited palm (Chrysalidocarpus lutescens)
Manilla grass (Zoysia matrella)
?mascarene grass (Zoysia tenuifolia)
EXSEROHILUM TURCICUM
Leafspot:
bur bristlegrass (Setaria verticillata)
corn, maize (Zea mays)
Seedling blight and Leafspot:
sorghum (Sorghum bicolor)
feterita (Sorghum caudatum)
broom corn (Sorghum vulgare)
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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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-EXSERO