Disease Hotline Issue 24

To the left is a picture of Giant Puff balls.  Photo provided by Joseph LaForest, University of Georgia, Bugwood.org.  Pictures of foliar nematodes have already been posted to the site.  Please use the search function to locate pictures of foliar nematodes, leaf spots, or mushrooms.

 

Disease Hotline Issue 16

Rust found on Hypericum.  Photo provided by:  Bob Mulrooney, University of Delaware

 

 

 

 

Rust on upper leaf surface of hypericum.  Photo provided by:  Bob Mulrooney, University of Delaware

 

 

 

Pictures for fire blight have already been posted to the website.  Please search for these images with the search function.

 

Disease Hotline Issue 13

Cytospora canker on an apple.  Photo provided by:  William Jacobi, Colorado State University, Bugwood.org

 

 

Cytospora canker on a willow twig.  Photo provided by:  William Jacobi, Colorado State University, Bugwood.org

 

 

Tobacco Rattle Virus on Hosta leaf.  Photo provided by:  Alan Windham, University of Tennessee, Bugwood.org

 

 

Tobacco Rattle Virus on Peony.  Photo provided by:  R.K. Jones, North Carolina State University, Bugwood.org

 

 

Tobacco Rattle Virus on Hosta.  Photo provided by:  Alan Windham, University of Tennessee, Bugwood.org

 

 

 

Tobacco rattle virus on epemedium.  Photo provided by:  Bob Mulrooney, University of Delaware, Plant Pathology Extension Specialist

What’s Hot HL Issue 13?

Horsechestnut leaf blotch.  Photo from:  Bob Mulrooney, University of Delaware.

 

 

 

 

 

 

Photos for brown patch, roseslug sawflies (search roseslug sawfly), bagworms and fall webworms (Insect Hotline Issue 20, 2008 has best images) have already been posted.  Please use search function to locate images.

Disease Hotline Issue 11

Powdery mildew on Coreopsis.

 

 

 

 

 

Powdery mildew on dogwood.  Photos for powdery mildew are from Bob Mulrooney, University of Delaware.

 

 

 

 

 

 

Photos for anthracnose on ash and Dutch elm disease have previously been posted.  Please use the search function to locate these images.