Common bunt (Tilletia caries) is a damaging fungal disease, affecting the spikes and seeds, which especially
impacts organic farming. Winter wheat is most frequently affected. Several races of the fungus have been
identified, each of which has different pathogenicity.
Solution
Given the limited options to treat seeds under organic farming conditions, it is desirable to increase the
resistance of organic crop plants to seed-transmitted diseases. Several race-specific, effective resistance genes to
bunt have been identified (Hoffmann and Metzger 1976, Goates 2012). It would be possible to achieve broadly
effective resistance by pyramiding several Bt resistance genes.
Description
PRACTICE ABSTRACT No. 62
Target audience: public authorities, breeders, researchers
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