Controlling powdery mildew in field roses

Nelson, J; Harvey, O; Paulus, A

Controlling powdery mildew in field roses

Authors

Jerry Nelson
Otis Harvey
Albert O. Paulus

Authors Affiliations

Jerry Nelson is Staff Research Associate, University of California, Riverside; Otis Harvey is Farm Advisor, Riverside County; Albert O. Paulus is Extension Plant Pathologist, University of California, Riverside.

Publication Information

Hilgardia 31(10):17-17. DOI:10.3733/ca.v031n10p17. October 1977.

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Abstract

Powdery mildew of rose, caused by the fungus Sphaerotheca pannosa, results in unsightly and frequently malformed leaves and flowers, and may reduce growth. Several new fungicides were evaluated for the control of powdery mildew in southern California commercial rose fields.

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