University of Illinois Extension

Archives for November 2014

November 20, 2014

Host Richard Hentschel ends the 4 part series of shows with retired Extension Plant Pathologist on diseases that have impacted our Spruce evergreen trees. Many of these diseases show up on the needles or twigs. The spruce that is most susceptible to many of these diseases is the variations of Colorado blue spruce

 
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November 13, 2014

Richard Hentschel Host of Green Side Up talks with Jim Schuster, retired Extension Plant Pathologist about the many needle diseases impacting our evergreen pine trees. There is a normal needle loss each year and should not be confused with real needle diseases. Jim discusses the various life cycles of these needle diseases and that can help the homeowner know how to treat or have the evergreen trees treated.

 
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November 6, 2014

Host Richard Hentschel continues the discussion of diseases that have plagued northern Illinois during 2014. Richard asked guest Jim Schuster to talk about Oak Wilt and Bacterial Leaf Scorch. Oak wilt can cause the death of certain oaks within one season and streaking appears in the sapwood. Bacterial leaf scorch shows up in the canopy attacking individual branches.

 
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