Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/14484
Title: Global distribution of 'Fusarium graminearum', 'F. asiaticum' and 'F. boothii' from wheat in relation to climate
Contributor(s): Backhouse, David  (author)orcid 
Publication Date: 2014
DOI: 10.1007/s10658-013-0374-5
Handle Link: https://hdl.handle.net/1959.11/14484
Abstract: Species of 'Fusarium' that have been segregated from 'F. graminearum' have restricted geographic ranges and it has been suggested that this is due to climate, especially for 'F. asiaticum'. Climate envelope modelling with BIOCLIM was used to quantify the differences in climatic range for 'F. graminearum', 'F. asiaticum' and 'F. boothii' on wheat. A second analysis used eight climate parameters calculated for the month in which anthesis is likely to occur. Published records were used as data, subject to criteria for precise identification and georeferencing. There were significant differences between species in the ranges of most climate parameters used in the modelling. 'F. graminearum' was recorded from all continents except Antarctica and its predicted distribution included most major rainfed wheat-growing regions of the world, except for the hottest areas of south Asia. There appeared to be few climatic limits on the distribution of 'F. graminearum' on wheat. The restricted distribution of 'F. asiaticum', principally in east Asia, was confirmed. BIOCLIM analysis indicated that 'F. asiaticum' occurred in areas, where the warmest quarter had mean temperatures >22 °C and rainfall >320 mm, rather than areas with high mean annual temperatures as previously had been suggested. 'F. boothii' was recorded from relatively few, widely scattered locations, mostly in Africa and Mexico, which tended to be warm, with lower seasonality of temperature, higher seasonality of precipitation and drier conditions at anthesis than the other two species. Areas of the world predicted to have suitable climate at anthesis for 'F. asiaticum' and 'F. boothii' were more extensive than their recorded distributions or those predicted by BIOCLIM, suggesting that climatic constraints on these species were acting principally at stages of the life cycle other than infection of wheat heads. There is a need for more comparative studies of these species over the whole disease cycle to establish at which stages climate is limiting.
Publication Type: Journal Article
Source of Publication: European Journal of Plant Pathology, 139(1), p. 161-173
Publisher: Springer Netherlands
Place of Publication: Netherlands
ISSN: 1573-8469
0929-1873
Fields of Research (FoR) 2008: 060704 Plant Pathology
070308 Crop and Pasture Protection (Pests, Diseases and Weeds)
Fields of Research (FoR) 2020: 310805 Plant pathology
300409 Crop and pasture protection (incl. pests, diseases and weeds)
Socio-Economic Objective (SEO) 2008: 820507 Wheat
Socio-Economic Objective (SEO) 2020: 260312 Wheat
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
Appears in Collections:Journal Article
School of Environmental and Rural Science

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