Effects of Azoxystrobin Application Rate and Treatment Interval on the Control of <i>Rhabdocline</i> <i>pseudotsugae</i> on Douglas-fir Christmas Trees

Fig. 2. Rhabdocline pseudotsugae apothecia on the underside of Douglas-fir needle.



Image from Plant Health Progress article:
Effects of Azoxystrobin Application Rate and Treatment Interval on the Control of Rhabdocline pseudotsugae on Douglas-fir Christmas Trees