The Plant Clinic is always abuzz with activity.  Recently (late July 2010) Sweet Orange Scab (a disease caused by the fungus Elsinoe australis) was confirmed by USDA-APHIS from a sample in the greater Houston area in Texas.  Since then, confirmed findings of the pathogen were recorded for various places in Texas and Louisiana.  Most recent was the detection of this pathogen in the valley – where the Texas citrus production industry is concentrated.  The first report of this disease was made in 1937 (Bittancourt & Jenkins) but it was… Read More →