Phytophthora Root Rot and Stem Canker Found on Nordmann and Subalpine Fir in Norwegian Christmas Tree Plantations

Fig. 2. Root rot and discoloured stem on Nordmann fir (Abies nordmanniana). The disease was caused by a Phytophthora sp. with ITS rDNA sequences most similar to P. inundata. Photo by V. Talgø.



Image from Plant Health Progress article:
Phytophthora Root Rot and Stem Canker Found on Nordmann and Subalpine Fir in Norwegian Christmas Tree Plantations