Cereal cyst nematode

We have developed useful markers for both the Rha2 (Ha2) gene inherited from Chebec and the Rha4 (Ha4) gene inherited from Galleon. Elysia Vassos presented results from this work at the 16th Australian Barley Technical Symposium. We are continuing to investigate these genes with a view to isolating the genes themselves.  We are also investigating other sources of resistance, in order to determine whether they involve Rha2 (Dash, Hindmarsh), Rha4 (Keel) or linked genes.