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E-Malt.com News article: 3313

Canada: Provincial Plant Pathologist David Kaminski says fusarium levels have been low in all cereal grains this year in Manitoba, especially barley. Manitoba Agriculture, Food and Rural Initiatives says cool summer temperatures have helped keep fusarium infection levels low in the province's cereal crops this year.

Fusarium is a fungal infection that affects several crops, including cereal grains. Fusarium graminearum is of particular concern because it produces a mycotoxin which, when fed to livestock, especially swine, reduces performance.

"The risk factors that lead to infection are the presence of the fungus, and we have enough of it here built up over the years that it's always going there in susceptible crops and all of our barley crops are quite susceptible, and the environmental conditions that favor infection. Those are heat and humidity that coincide with flowering of the crop. This year everybody realizes it has been very wet and at times quite humid but generally it has not been as warm as it usually is and often we find we're under the threshold for temperature for infection to develop when the crop is most sensitive. It's still wise to have grain tested if it's going to be fed to animals because, of course, the tolerances for the major toxin are quite low. Even though there are low levels of the disease out there, the amount of the toxin is not always very well correlated with the amount of disease in the field so it's still worth having a feed test done," David Kaminski says.

Fusarium levels in Manitoba peaked in 2001 and 2002 before dropping off dramatically last year.


22 September, 2004

   
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