Crop Knowledge Master Fungi

Ustilago 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 Agriculture and Human Resources

University of Hawaii at Manoa

PATHOGENS & HOSTS

Over nine Ustilago species have been reported to occur in Hawaii (Raabe, et al., 1981). The following is a list of the reported pathogens from this genus (Ustilago) 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.

USTILAGO AVENAE

Loose Smut:

cultivated oats (Avena sativa)

USTILAGO BULLATA

rescue grass (Bromus catharticus)

USTILAGO CYNODONTIS

Smut:

Bermuda grass (Cynodon dactylon)

USTILAGO HORDEI

Covered Smut:

cultivated barley (Hordeum vulgare)

USTILAGO MAYDIS

Smut:

corn, maize (Zea mays)

sweet corn (Zea mays var. saccharata)

USTILAGO PANICI-PROLIFERI

Smut:

waicaku grass (Panicum repens)

USTILAGO SCHROETERIANA

Smut:

Paspalum sp.

USTILAGO SCITAMINEA

Smut:

sugar cane (Saccharum officinarum)

USTILAGO UTRICULOSA

Smut:

kamale (Polygonum glabrum)

Polygonum punctatum

TAXONOMY

KINGDOM: Mycetae (fungi)

DIVISION: Eumycota

SUBDIVISION: Basidiomycotina (The club fungi)

CLASS: Hemibasidiomycetes (The rust and smut fungi)

ORDER: Ustilaginales

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.

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-USTILA

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