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Table 1 - Ontario Performance Trial; Winter Wheat 2011 - Cumulative Yield Index1
Summary for Area I & II Combined2, OCCC, August 2011
| Class3 | Variety | 5 year | 4 year | 3 year | 2 year | 2011 |
| 99 4 | 98 | 98 | 98 | 93 | ||
| 103 | 103 | 105 | 105 | 103 | ||
| 100 | 98 | 100 | 101 | 98 | ||
| 102 | 101 | 101 | 100 | 99 | ||
| 100 | ||||||
| 105 | ||||||
| 104 | 103 | 102 | 102 | 103 | ||
| 106 | 106 | 106 | 107 | 106 | ||
| 102 | 101 | 101 | 101 | 98 | ||
| 104 | 104 | 103 | 103 | 102 | ||
| 100 | 100 | 99 | 98 | 97 | ||
| 103 | 103 | 104 | 104 | 108 | ||
| 103 | 102 | 103 | 102 | 100 | ||
| 106 | 106 | 107 | 109 | 112 | ||
| 100 | 100 | 97 | 95 | 95 | ||
| 104 | 103 | 104 | 104 | |||
| 102 | 100 | 101 | 101 | |||
| 106 | 106 | 106 | ||||
| 106 | 106 | 104 | ||||
| 98 | 99 | |||||
| 103 | 101 | |||||
| 108 | ||||||
| 103 | ||||||
| 99 | 99 | 98 | 97 | 97 | ||
| 94 | ||||||
| 102 | 103 | 103 | 101 | 98 | ||
| 98 | ||||||
| 98 | 97 | 96 | 94 | |||
| 108 | 105 | |||||
| 96 | 97 | 97 | ||||
| 84 | ||||||
| Means (t/ha) | 5.79 | 5.80 | 5.66 | 5.76 | 5.96 | |
| Means (bu/ac) | 86.1 | 86.3 | 84.2 | 85.7 | 88.6 | |
| Locations | 32 | 27 | 20 | 13 | 6 | |
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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 & II Combined = 2500 Crop Heat Units or more, West 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