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Table 2 - Ontario Performance Trial; Winter Wheat 2011 Cumulative Yield Index1
Summary for Area I2, OCCC, August 2011
| Class3 | Variety | 5 year | 4 year | 3 year | 2 year | 2011 |
| 99 4 | 98 | 98 | 96 | 96 | ||
| 101 | 101 | 100 | 101 | 97 | ||
| 103 | 103 | 104 | 105 | 106 | ||
| 101 | 99 | 101 | 102 | 99 | ||
| 104 | 102 | 103 | 103 | 103 | ||
| 96 | ||||||
| 107 | ||||||
| 107 | 107 | 107 | 109 | 107 | ||
| 104 | 103 | 103 | 106 | 105 | ||
| 103 | 103 | 103 | 103 | 102 | ||
| 106 | 107 | 106 | 107 | 103 | ||
| 102 | 101 | 99 | 98 | 95 | ||
| 102 | 101 | 101 | 101 | 103 | ||
| 104 | 101 | 102 | 103 | 99 | ||
| 103 | 102 | 102 | 102 | 108 | ||
| 101 | 101 | 98 | 98 | 94 | ||
| 100 | 102 | 101 | 106 | |||
| 104 | 102 | 102 | 101 | |||
| 107 | 107 | 106 | ||||
| 104 | 103 | 105 | ||||
| 96 | 96 | |||||
| 105 | 106 | |||||
| 107 | ||||||
| 99 | ||||||
| 98 | 98 | 98 | 99 | 101 | ||
| 94 | ||||||
| 101 | 102 | 102 | 100 | 97 | ||
| 98 | ||||||
| 100 | 97 | 96 | 93 | |||
| 105 | 103 | |||||
| 98 | 99 | 98 | ||||
| 89 | ||||||
| Means (t/ha) | 5.99 | 6.05 | 6.02 | 5.95 | 5.94 | |
| Means (bu/ac) | 89.1 | 89.9 | 89.5 | 88.5 | 88.3 | |
| Locations | 16 | 12 | 9 | 6 | 3 | |
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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 I = 3100 Crop Heat Units or more. | ||||||
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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