,
 

Diseases of Alsike Clover

 
 
Subscribe to our free E-Newsletter, "RTW This Week"Sign up for our
E-Newsletter
  
 
 
 Sooty Blotch
Cymadothea trifolii

What to look for?
Common on alsike and white clovers. Heavily diseased foliage is toxic to cattle, causing mouth ulcers and reproductive disorders.

Black pustules on the undersides of clover leaves.
Photo: Flores		Picture description
Black pustules on the undersides of clover leaves.
.
Management strategy
Move livestock from heavily diseased pastures. Yield loss is minor with most infection taking place in late summer and fall. Crop rotation for 3 - 4 years.

Phyllody
Clover Phyllody Mycoplasma-like Organism (Phytoplasma)

What to look for?
This disease occurs in clovers and trefoil. Florets develop into clusters of green leaf-like appendages. They are spread from plant-to-plant by leafhoppers. Severely diseased plants winterkill.

Distorted foliage.
Photo: Howard		Picture description
Distorted foliage.
.
Management strategy
No control procedures

Photographs and information assembled and prepared for ARD by Dr. Ieaun R. Evans Agri-Trend Agrology Ltd.

  
 
 
 
For more information about the content of this document, contact Ron Howard.
This document is maintained by Shelley Barkley.
This information published to the web on December 16, 2003.
Last Reviewed/Revised on March 18, 2008.