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UCNFA News Summer 2012 Volume 16 Issue 2

• Management of Downy and Powdery Mildews: Three new diseases hit California... 1
• Science to the Grower:  Are liverworts lost in the ozone?... 6
• Get Cultured: When disease symptoms are caused by poor nutritional and  cultural practices... 7
• Disease Focus: Boxwood blight — a new threat to California... 9    
• Insect Hot Topics: New scale insect in Hawaii... 11
• Regional Report San Benito/Santa Clara: Regulatory Updates... 13
• Regional Report: New anthracnose disease on New Zealand flax... 16
• Regional Report Ventura/Santa Barbara: Black foot disease and Field observations... 18
• Regional Report San Diego/Riverside: Citrus greening in California and Field observations... 21
• Campus Research Update: Is western flower thrips a single species?... 23
• New Publications... 24 
• UCNFA Programs... 25