These symptoms are diagnostic of Eutypa dieback:
Stunted shoots with deformed leaves (Figure 5)
Figure 5 – Stunted shoots have deformed leaves that are cup-shaped with necrotic, ‘tattered’ margins. These canopy symptoms are most apparent in spring and early summer. (Photo by Larry Bettiga).
Shortened internodes (Figure 6)
Figure 6 – Stunted shoots with shortened internodes have a ‘zig-zag’ pattern of growth. (Photo by Renaud Travadon).
Main Eutypa Dieback Pathogens: Eutypa lata
Other species in the same family (Diatrypaceae)
Continue for more trunk diseases