Disease Du Jour (April 21, 2011)

Received this photo of a strawberry from Stuart Gauthier in Vermillion Parish earlier this week. As near as I can tell, this is a physiological condition called noninfectious phyllody (phyllody – the development of leaf-like structures where flowers should be) that has been observed in Europe, where it usually shows up on the fall crop from September to December.  Similar symptoms are associated with the infection of strawberries by the aster yellows mycoplama, but symptoms are generally much more severe and the entire plant is affected when the mycoplasma is involved.
 

Noninfectious phyllody of strawberry

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About Don Ferrin

I am an associate professor and extension specialist in the Department of Plant Patholgy & Crop Physiology with the LSU AgCenter in Baton Rouge. I have statewide responsibility for issues and educational programs related to diseases of all horticultural crops in Louisiana.
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