Tag Archives: fungal disease

Professor Sumi in his Laboratory

by Susan Harris

It took having a really sick-looking shrub for me to see Homestead Education Coordinator Gene Sumi jump into research-scientist mode, and it was kinda fun – almost worth …

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Phytophthora Root Rot on Shrubs and Trees

By Gene Sumi

There is a fungal root disease that is widespread in our region, but is little known to the average gardener.  Its targets are our favorite shrubs and trees, including rhododendron, …

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Should I Spray My Tomatoes Now For Late Blight?

By Gene Sumi

The jury is still out as to whether we will have problems with the latest strain of late blight (Phytophthora infestens) on tomato and potato crops in Maryland.  Our hope is …

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Late Blight Spotted

Authorities don’t know yet if Late Blight could repeat its 2009 devastation of tomatoes and potatoes  in 2010, but it WAS  detected last week in a greenhouse in St. Mary’s County.   The University of …

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