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Exploring the spatial variation of take-all (Gaeumannomyces graminis var. tritici) for site-specific management

Oliver, M. A., Heming, S. D., Gibson, G. and Adams, N. (2003) Exploring the spatial variation of take-all (Gaeumannomyces graminis var. tritici) for site-specific management. In: 4th European Conference on Precision Agriculture, Berlin, Germany, pp. 481-486.

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Abstract/Summary

The fungus Gaeumannomyces graminis var. tritici (Ggt), commonly known as the take-all fungus, causes damage to roots of wheat and barley that limits crop growth and causes loss of yield. There was little knowledge on the within-field spatial variation of take-all and relations with features in the growing crop, selected soil properties and spectral information from remotely sensed imagery. Geostatistical analyses showed that take-all, chlorosis and leaf area index had similar patchy distributions. Many of the spectral bands from a hyperspectral image also had similar spatial patterns to take-all and chlorosis. Relations between take-all and mineral nitrogen, elevation and pH were generally weaker.

Item Type:Conference or Workshop Item (Paper)
Divisions:Faculty of Science > School of Archaeology, Geography and Environmental Science
ID Code:3943
Uncontrolled Keywords:take-all cereals crop attributes variogram kriging soil properties
Additional Information:
Publisher:Wageningen Academic Publishers

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