Barley, oat and wheat were used as both inappropriate hosts (IH) and appropriate hosts (AH) for three formae speciales of the fungus Blumeria graminis, the causal agent of powdery mildew disease. Treatment with either the ...

Fungal-induced inaccessibility in oat to Blumeria graminis requires active cell processes. These are reiterative de novo cell processes involved in inherent penetration resistance. Therefore, induced inaccessibility may ...

Leaves of near isogenic barley lines containing the race-specific resistance alleles Mla1 ormla1 were subjected to double inoculation treatments with virulent and avirulent Blumeria graminis isolates. Attack by the avirulent ...