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Table 3 - Ontario Performance Trial; Winter Wheat 2011 Cumulative Yield Index1
Summary for Area II2, OCCC, August 2011
| Class3 | Variety | 5 year | 4 year | 3 year | 2 year | 2011 |
| 100 4 | 99 | 98 | 99 | 90 | ||
| 104 | 104 | 105 | 104 | 100 | ||
| 98 | 98 | 99 | 100 | 96 | ||
| 100 | 100 | 100 | 98 | 95 | ||
| 103 | ||||||
| 104 | ||||||
| 100 | 99 | 99 | 96 | 100 | ||
| 108 | 108 | 108 | 108 | 107 | ||
| 100 | 100 | 100 | 99 | 94 | ||
| 102 | 102 | 101 | 100 | 101 | ||
| 99 | 100 | 99 | 98 | 99 | ||
| 105 | 105 | 106 | 106 | 112 | ||
| 103 | 103 | 104 | 102 | 100 | ||
| 109 | 110 | 110 | 115 | 116 | ||
| 99 | 99 | 96 | 93 | 95 | ||
| 107 | 105 | 106 | 101 | |||
| 100 | 98 | 100 | 101 | |||
| 105 | 105 | 107 | ||||
| 107 | 108 | 103 | ||||
| 100 | 102 | |||||
| 101 | 97 | |||||
| 108 | ||||||
| 108 | ||||||
| 99 | 100 | 98 | 95 | 93 | ||
| 100 | 100 | 100 | 99 | 94 | ||
| 103 | 103 | 103 | 103 | 99 | ||
| 99 | ||||||
| 96 | 96 | 96 | 96 | |||
| 110 | 107 | |||||
| 95 | 95 | 97 | ||||
| 78 | ||||||
| Means (t/ha) | 5.58 | 5.61 | 5.37 | 5.60 | 5.98 | |
| Means (bu/ac) | 83.0 | 83.4 | 79.9 | 83.2 | 89.0 | |
| Locations | 16 | 15 | 11 | 7 | 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 II = West of Frontenac County between 2500 and 3100 Crop Heat Units. | ||||||
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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