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Cereal Leaf Disease Update SA 2009 -

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Variation in NFNB is on the increase and making resistance ratings for varieties more complicated... After the demise of Skiff in 1999 only low levels of the disease were observed in barley crops, mainly on Barque on the lower Yorke Peninsula, and apparently only one pathotype was present... The differences within the rust population go unnoticed in annual surveys conducted by the University of Sydney but can lead to very significant differences in crop damage...
GRDC Taxonomy: