Monthly Archives: April 2012

DuPont’s Fontelis™ fungicide is now registered for use in Louisiana

I received notice today that DuPont’s Fontelis™ fungicide is now registered for use in Louisiana. The active ingredient is penthiopyrad, a carboxamide (SDHI) fungicide in FRAC group 7. Fontelis™ is labeled for the control of Botrytis gray mold, powdery mildew … Continue reading

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Current Status of Citrus Greening in Florida

Here’s the latest on attempts to deal with citrus greening (huanglongbing) in Florida from TheLedger.com at http://www.theledger.com/article/20120410/NEWS/120419953?Title=Scientist-Remedy-for-Citrus-Greening-Disease-Fails-to-Improve-Productivity). The most troubling bit of news in the article is that University of Florida plant pathologist Jim Graham “cited research by U.S. Sugar, also … Continue reading

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New Oomycete-specific Fungicide from Syngenta

Micora™, a new fungicide from Syngenta, is now registered for use on greenhouse and outdoor ornamentals and vegetable transplants to be sold to retail consumers. Micora™ contains the active ingredient mandipropamid (a carboxylic acid amide), which is specific for the … Continue reading

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Huanglongbing Confirmed in California

On Friday, March 30, the California Department of Food and Agriculture and the USDA announced that the citrus disease huanglongbing (HLB), also referred to as citrus greening, had been confirmed in a lemon/pummelo tree in a residential neighborhood in Los Angeles County.  An … Continue reading

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Rose Downy Mildew Is Active in Louisiana

Received a call from a local garden center last week regarding downy mildew on a shipment of roses from California that they had hoped to sell for Mother’s Day. Symptoms on the somewhat resistant cultivar Mr. Lincoln could easily be mistaken for … Continue reading

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