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air bone spore

Catalogue: GRDC Updates
The choice of fungicide treatments at seeding is very important for managing diseases on farm as well as across a region... A particular concern with NFNB is the continuing rapid evolution of virulence in this pathogen with Keel, Maritime , Fleet and Oxford showing rapid falls in resistance rating in recent years... Extensive testing of isolates of the fungus taken across SA in recent years has shown that none of the strains tested have combined virulence on Fleet and Maritime so in some areas Maritime may have appeared as quite resistant...
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