Diaporthe amygdali (Delacr.) Udayanga, Crous, K. D. Hyde

Diaporthe amygdali (Delacr.) Udayanga, Crous, K. D. Hyde , Fungal Divers 56: 166 (2012)

Suppl. material 2

Specimens examined.

China • Yunnan Province, Kunming City, from diseased branches of J. regia ., Y. Ding, M. Li and L. L. Zhao, 23 February 2024 (YN-6, culture CGMCC 3.27752 View Materials ; YN-2, culture CGMCC 3.28500 View Materials ) .

Notes.

Diaporthe amygdali was first described as Fusicoccum amygdali Delacr. , causing cankers on almonds in France ( Delacroix 1905). Udayanga et al. (2012) assigned F. amygdali to Diaporthe as D. amygdali . Dissanayake et al. (2024) verify D. amygdali is a single species rather than a species complex. Phylogenetically, two isolates clustered together with the ex-type isolates of D. amygdali CBS 126679 with middle statistical (62 % / 0.87 / 62 %) (Fig. 4 View Figure 4 ); the base pair similarity shows 98.9 % (464 / 469) on cal, 99.3 % (449 / 452) on his, 99 % (519 / 524) on ITS, 99.4 % (327 / 329) on tef 1 - α, and 99.8 % (469 / 470) on tub 2 compared to the ex-type of D. amygdali . Based on sequence data and morphology, these isolates were confirmed to belong to D. amygdali (Table 1 View Table 1 ). Thus far, D. amygdali has been reported to cause walnut branch disease in Southern Spain and Shandong province in China ( Meng et al. 2018, López-Moral et al. 2020). In this study, D. amygdali were isolated from Yunnan Province.