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Imprint
Development of thresholds for the effective combating of dwarf bunt (Tilletia controversa) and common bunt (Tilletia caries) and their practical application in organic farming
Project
Project code: 2806OE081
Contract period: 01.07.2007
- 31.12.2011
Budget: 286,819 Euro
Purpose of research: Applied research
The research focuses on the question whether threshold values for dwarf bunt (Tilletia controversa) and common bunt (Tilletia caries) of wheat are sufficient for seed, or whether in future the infection potential in the soil has to be considered additionally.
The multi-factorial field trials are performed in a split-plot design on 3 sites, each with susceptible and low-susceptible wheat and spelt cultivars at diverse infection levels and 4 replications. Furthermore an early- and a late-sowing variant of common bunt are tested. In order to obtain an infection of dwarf bunt, the soil infected variant was laid out in the experiment. The spore infestation is determined in the harvested crop and in the soil.
For dwarf bunt so far no relation could be established between the infection potential in the soil and in the harvested crops. Varietal differences could not be identified.
For common bunt the early-sowing variant showed a higher spore infestation in the harvested crop. The variety significantly influences the occurrence of the infestation. The results confirm that common bunt infection from soil is possible
Section overview
Subjects
- Crop Production
- Crop Protection
- Organic Farming
Framework programme
Federal Organic Farming Scheme and other forms of sustainable agriculture (BÖLN)
