| emergence of tan spot disease caused by toxigenic pyrenophora tritici-repentis in australia is not associated with increased deployment of toxin-sensitive cultivars. | the wheat disease tan (or yellow leaf) spot, caused by pyrenophora tritici-repentis, was first described in the period 1934 to 1941 in canada, india, and the united states. it was first noted in australia in 1953 and only became a serious disease in the 1970s. the emergence of this disease has recently been linked to the acquisition by p. tritici-repentis of the toxa gene from the wheat leaf and glume blotch pathogen, stagonospora nodorum. toxa encodes a host-specific toxin that interacts with t ... | 2008 | 18943215 |