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The following links go to web pages, provided by the Extension Plant Pathology section of the University of Arizona. They contain text and pictures on vegetable and melon disease diagnosis, prevention and management. You will need to use your back button to return to the ACIS site.
Diseases of Citrus in Arizona (2001) PDF version 1045 kb
Arizona Plant diagnostic Network
Characterization of Alternaria isolates associated with Alternaria Rot of Citrus PDF file, 1.7MB (2002 report to the Arizona Citrus Research Council)
Pest Alert: Citrus Greening Found in Florida (Sept., 2005)
- Citrus Greening Pest Alert, Florida Department of Agriculture and Consumer Services (September, 2005)
(PDF file, 153KB) - New Federal Restrictions to Prevent Movement of Citrus Greening (September 16, 2005)
(PDF file, 15.1KB) - Memo: Florida Department of Agriculture and Consumer Services (September 14, 2005)
(PDF file, 49KB) - Press release: First U.S. detection of citrus greening, Miami, FL (September 3, 2005)
(PDF file, 78KB)
More information and the latest updates on citrus greening are available on the Southern Plant Diagnostic Network website (http://spdn.ifas.ufl.edu/).
Yuma County Farm Notes:
Citrus Report Articles:
- Biology and Control of Lemon Tree Wood Rot Diseases (2002) PDF file, 118KB
- Evaluation of Fungicidal Management of Alternaria Rot on Citrus Fruit in 2000-2001 Season (2001) PDF file, 95KB
- Studies of the Biology and Control of Brown Heartwood Rot on Lemon Trees in 2000 (2001) PDF file, 121KB
- Effect of Temperature and Moisture on Survival of Phytophthora in Citrus Grove Soil (2000) PDF file, 25KB
- Impact of preplant soil treatments on survival of Phythophthora in citrus soils (1999) PDF file, 25KB
- Improving Management and Control of Fungal Diseases Affecting Arizona Citrus Trees, 1997 (1998)
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Mauk, P.A. Phytophthora Disease Management in Citrus
Six slides / page, PDF file, 201KB -OR- One slide / page, PDF file, 448KB
14th Annual Desert Crops Workshop, Holtville, California. December 3, 2003. -
Matheron, Michael. Modes of Action for Plant Disease Management Chemistries.
HTML file -OR- Power Point version, 546KB
11th Annual Desert Vegetable Crop Workshop, Yuma, AZ. December 6, 2001.
Presentations: The following are files of slides that accompanied verbal presentations that were given at various agricultural meetings. Please note file sizes. Disclaimers
Plant Pathology Newsletter - published by Extension Plant Pathology at The University of Arizona.
Please send your inquiries to:
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Dr. Mary Olsen Associate Extension Plant Pathologist Department of Plant Pathology The University of Arizona Tucson, AZ 85721 Phone: 520-626-2681 Email:molsen@ag.arizona.edu |
Dr. Michael Matheron Extension Specialist/Research Scientist Department of Plant Pathology The University of Arizona Yuma Agricultural Center Yuma, AZ 85364 Phone: 520-726-0458 Email:matheron@ag.arizona.edu |
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