Timing of Occurrence of <i>Claviceps purpurea</i> Ascospores in Northeast Oregon

Fig. 5. Cumulative degree days at Imbler, OR, 2008, 2009, and 2010, based on degree day data from Agrimet, Imbler, OR, site.



Image from Plant Health Progress article:
Timing of Occurrence of Claviceps purpurea Ascospores in Northeast Oregon