Septoria and Stagonospora Diseases of Cereals - CIMMYT ...
Septoria and Stagonospora Diseases of Cereals - CIMMYT ...
Septoria and Stagonospora Diseases of Cereals - CIMMYT ...
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22<br />
Session 1 — A.L. Scharen<br />
The bulk <strong>of</strong> evidence continues<br />
to indicate that in S. nodorum —<br />
<strong>and</strong> S. tritici – wheat systems, genefor-gene<br />
interactions probably<br />
occur when selected cultures are<br />
inoculated on specific host plants<br />
under controlled conditions, but<br />
when population confronts<br />
population in the field, resistance<br />
to infection in wheat is generally<br />
non-specific <strong>and</strong> aggressiveness is<br />
the principal attribute <strong>of</strong> pathogen<br />
populations.<br />
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