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Table 4 - Ontario Performance Trial; Winter Wheat 2011 Cumulative Yield Index1
Summary for Area III2, OCCC, August 2011
| Class3 | Variety | 5 year | 4 year | 3 year | 2 year | 2011 |
| 100 4 | 99 | 97 | 97 | 98 | ||
| 106 | 107 | 109 | 104 | 104 | ||
| 99 | ||||||
| 107 | 107 | 108 | 104 | 108 | ||
| 99 | 99 | 98 | 101 | 97 | ||
| 102 | 101 | 100 | 100 | 99 | ||
| 101 | 104 | 104 | 101 | |||
| 102 | 102 | 103 | 101 | |||
| 102 | 99 | |||||
| 104 | 100 | |||||
| 102 | ||||||
| 98 | 97 | 97 | 97 | 97 | ||
| 101 | 100 | 101 | 99 | 100 | ||
| 101 | 103 | 103 | 99 | 99 | ||
| 97 | 96 | 95 | 93 | 97 | ||
| 97 | 97 | 100 | 96 | |||
| 104 | 105 | 99 | 104 | |||
| 102 | 99 | 94 | ||||
| 95 | ||||||
| Means (t/ha) | 5.38 | 5.56 | 5.98 | 6.11 | 6.30 | |
| Means (bu/ac) | 80.0 | 82.7 | 89.0 | 90.9 | 93.7 | |
| Locations | 14 | 11 | 8 | 5 | 2 | |
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1 Values differing by less than 3 within a column may not represent
true differences in yield. Yield Indices are Heritability Adjusted Relative Values (HARV), which
favour results from trial locations with high repeatability. For more information, see: Yan, W. Use of HARV in
Variety Trial Summaries.
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| 2 Area III = East of Frontenac County. | ||||||
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3 sww = soft white winter, srw = soft red winter, hww = hard white winter, hrw = hard red winter, wd = winter durum.
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4 Cultivar yield rankings may vary from year to year. Decisions are therefore best made using data with the greatest number of years.
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© 2011 Ontario Cereal Crops Committee