Posts Tagged: mildew

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Are Your Roses Diseased?

Rose leaves infected by rose rust. (Credit: Jack Kelly Clark)

Roses in the garden can be infected with a variety of bacteria, fungi, and viruses, leading to diseases like powdery mildew and rust. Roses may also be damaged by nutrient deficiencies and other environmental problems. Our Pest Notes: Roses: Diseases...

Posted on Tuesday, March 17, 2020 at 3:04 PM

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Tags: control (52), disease (39), garden (36), Golino (1), IPM (62), irrigation (3), Karlik (3), landscape (42), management (37), mildew (2), pest (89), Pest Notes (78), pruning (6), roses (4), Rwahnih (1), UC IPM (236)

Focus Area Tags: Pest Management Yard & Garden

Downy Mildew on Ice Plants

Healthy red apple ice plant. [H. Schenk]

[From the April-May 2016 issue of the UC IPM Green Bulletin] A downy mildew caused by the fungus Peronospora mesembryanthemi has recently been confirmed by the USDA-APHIS from a red apple ice plant (Aptenia cordifolia) sample collected in San Diego....

Posted on Thursday, May 19, 2016 at 10:48 AM

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Tags: Chitambar (1), Dara (2), disease (39), downy (1), fungi (7), ice plants (1), mesembryanthemi (1), mildew (2), Scheck (1), UCIPM (70)