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Circumscription, detection and infection strategies of Botryosphaeria spp. in grapevines

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Title Circumscription, detection and infection strategies of Botryosphaeria spp. in grapevines
Period 01 / 2003 - 12 / 2006
Status Completed
Research number OND1310362
Data Supplier Website Centraalbureau voor Schimmelcultures

Abstract

Species of Botryosphaeria are commonly associated with canker and dieback symptoms in grapevines. Our research has also shown that several of these species are frequently encountered as latent pathogens or endophytes, and that disease ensues following the onset of stress. We have studied these organisms on eucalypts, and are in the process of characterising them on the Proteaceae, fruit trees, and also grapevines. Major questions that we are addressing concerns the phylogeny of Botryosphaeria, which appears to represent several genera, as well as the recognition of usable morphological features for their identification, and molecular kits for early detection. Several species are also being epitipified, and a phylogeny to most species in the genus has already been generated, with the aim of compiling a monograph of the genus.

Related organisations

Other involved organisations

University of Stellenbosch (South Africa): P.H. Fourie
ARC-Nietvoorbij (South Africa): F. Halleen

Related people

Project leader Prof.dr. P.W. Crous
Project leader Dr. J.Z. Groenewald

Classification

A21000 Agriculture and horticulture
D22100 Microbiology

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