Ergot, caused by Claviceps purpurea, is the most important disease affecting perennial ryegrass seed production in eastern Oregon. Dung et al. quantify and describe the spatial pattern of ergot severity in commercial perennial ryegrass fields in eastern Oregon. Significant autocorrelation and clustering were indicated by Moran’s I and spatial analysis by distance indices of aggregation. Open access for a limited time.
The American Phytopathological Society (APS) is a 501(c)(3) nonprofit scientific organization dedicated to the study and control of plant diseases. MORE>>