Diplodia seriata

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Diplodia seriata - A–C) asci with ascospores; D) sectioned conidioma; E, F) conidia developing on conidiogenous cells, one conidium in F is starting to become coloured; G, H) brown, aseptate conidia. Scale bars: A = 20 μm, B, C = 10 μm, D = 50 μm, E–H = 10 μm.
Author(s): A.J.L. Phillips, A. Alves, J. Abdollahzadeh, B. Slippers, M.J. Wingfield, J.Z. Groenewald and P.W. Crous
Source: Studies in Mycology, 2013, 76, p.100

Diplodia seriata De Not. 1842

The fungus is widespread and causes canker, dieback, fruit rot and other diseases on fruit trees and grapevine. In trunk cross-sections the necrosis is wedge-shaped. Infections are especially common on grapevine where the fungus also causes spring bud mortality and leaf spot.

The conidia are initially hyaline and later become dark brown, moderately thick-walled (ca. 0.5 μm thick), externally smooth, aseptate and ovoid. The average size is 25 x 13 µm.

Botryosphaeria obtusa (Schwein. 1832) Shoemaker 1962 has been cited as the teleomorph name for this species.

For details see the respective page in Wikipedia.