Rose powdery mildew control in outdoor roses
A.O. Paulus, University of California
J.A. Nelson, University of California
R.G. Maire, University of California
California Agriculture 30(3):9-9. DOI: 10.3733/ca.v030n03p9.
Not available – first paragraph follows:
Powdery mildew of rose, caused by the fungus, Sphaerotheca pannosa, results in unsightly leaves and flowers, and may result in reduced growth. Several new fungicides were evaluated for the control of powdery mildew in southern California rose gardens, and are reported here.
. . . .