Quality of Ontario White Winter wheat - 2008

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Ontario White Winter wheat

The following table shows data for the Ontario Eastern White Winter wheat grade composites. For this year’s No. 1 grade composite, the test weight is the same however, kernel weight is higher than the 2007 value. Wheat protein is slightly lower than 2007. There was no No. 2 grade composite for 2008. The falling number, amylograph peak viscosity and alpha-amylase activity indicate the soundness expected in the No. 1 grade. Milling yield, on clean wheat basis, shows a 1% advantage over last year, but flour ash content is slightly higher than 2007. Farinograph show similar water absorption and dough strength to last year. Alveograph results indicate a somewhat less extensibile dough with similar dough strength but lower baking strength than last year. The AACC cookie test exhibits similar spread and ratio relative to 2007. Electrophoretic analysis of the No. 1 grade composite indicates AC Mountain to be the predominant variety followed by 25W60, 25W41 and Superior. These four varieties accounted for 93% of the varieties in the 2008 composite.

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