Journal article
Soil salinity exacerbates crown rot in wheat
Australasian Plant Pathology, Vol.48(4), pp.339-341
2019
Abstract
Crown rot of wheat (Fusarium pseudograminearum) and dryland salinity cause significant economic losses to the Australian grains industry especially under water stressed conditions during grain filling, but association between them has not been previously reported. We collected opportunistic data on electrical conductivity (EC) and crown rot disease assessments in a replicated wheat germplasm field experiment at Nangeenan, a low rainfall area of Western Australia (WA). A positive correlation (r = 0.63, P < 0.001, df = 28) was found between crown rot index and the composite measure of salinity, computed as the log10 (product of EC values at depths). The simple linear relationship above can be further improved by fitting different intercepts and common slopes for each variety (adjusted R2 = 0.54). These observations indicate that crown rot symptoms are more severe in saline soils and have implications for the practical advice given to growers as well as for the planning of research experiments on biotic and abiotic factors.
Details
- Title
- Soil salinity exacerbates crown rot in wheat
- Authors/Creators
- R.H. Smith (Author/Creator)D. Hüberli (Author/Creator)D.L. Sharma (Author/Creator)M.F. D’Antuono (Author/Creator)
- Publication Details
- Australasian Plant Pathology, Vol.48(4), pp.339-341
- Publisher
- Springer
- Identifiers
- 991005544458107891
- Copyright
- © Crown
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.198 Mycotoxins
- 3.198.400 Mycotoxin Control
- Web Of Science research areas
- Plant Sciences
- ESI research areas
- Plant & Animal Science