Crop Knowledge Master Fungi

Exserohilum Primer

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

PATHOGENS & HOSTS

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)

TAXONOMY

KINGDOM: Mycetae (fungi)

DIVISION: Eumycota

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

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MANAGEMENT

No information is available for this section at the moment, please check future Knowledge Master Versions.

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-EXSERO

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