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peer-reviewed research article

Controlling powdery mildew and rust in roses

authors

Albert O. Paulus
Jerry Nelson

publication information

California Agriculture 42(4):15-15. DOI: 10.3733/ca.v042n04p15. July-August 1988.

abstract

Abstract Not Available – First paragraph follows:

Powdery mildew is undoubtedly the most widespread disease of roses. The causal fungus, Sphaerotheca pannosa var. rosae, appears as a white or gray powdery or mealy coating on the leaves, tender stems, and flower buds. It distorts and discolors those areas, causes defoliation, and reduces plant vigor.

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