Progress in the management of Fusarium head blight of wheat : an overview

Fusarium head blight (FHB), also known as head scab, is a devastating fungal disease that affects small grain cereal crops such as wheat (Triticum aestivum L.). The predominant causal agent, Fusarium graminearum Schwabe (teleomorph: Gibberella zeae (Schwein.) Petch), is ranked the four th most impor...

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Veröffentlicht in:South African Journal of Science 2020-11, Vol.116 (11-12), p.60-66
Hauptverfasser: Shude, Sinegugu P.N, Yobo, Kwasi S, Mbili, Nokwazi C
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Sprache:eng
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Zusammenfassung:Fusarium head blight (FHB), also known as head scab, is a devastating fungal disease that affects small grain cereal crops such as wheat (Triticum aestivum L.). The predominant causal agent, Fusarium graminearum Schwabe (teleomorph: Gibberella zeae (Schwein.) Petch), is ranked the four th most impor tant fungal plant pathogen worldwide. Apar t from yield and quality losses, mycotoxin production can occur from FHB infection, resulting in harmful effects on human and animal health. Some level of disease control may be achieved by using cer tain fungicides and agronomic practices plus host resistance. In South Africa, there are currently no registered fungicides or bio-fungicides, no resistant wheat cultivars and only limited control is achieved by cultural practices. Because effective disease reduction cannot be achieved by using a single strategy, the integration of multiple management strategies can enhance disease control. We review possible strategies for reducing the risk for FHB infections that are relevant to the context of South Africa and other wheat growing areas in Africa.
ISSN:0038-2353
1996-7489
1996-7489
DOI:10.17159/sajs.2020/7854