October 23, 2017

Strawberry leaf spot disease

In September, we noticed strawberry leaf spot in the non-low tunnel treatment, but not in the low tunnel.  This occurred at both the St. Paul and Morris locations.  For reasons unknown to us, the leaf spot affected only the non-low tunnel but not the low tunnel treatments.

Disease free Portola, low tunnel

A leaf disease free Portola variety strawberry plant, grown in the low tunnel system

 

Severe strawberry leaf spot disease, non low tunnel

By comparison, this Portola variety has severe strawberry leaf spot disease. It was grown in the non-low tunnel system. Notice the bulls eye appearance with a gray center on the leaves.