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Table 3 - Ontario Performance Trial; Winter Wheat 2010 Cumulative Yield Index1
Summary for Area II2, OCCC, August 2010



Class3 Variety 5 year 4 year 3 year 2 year 2010
sww Superior 101 4 102 101 101 106
AC Mackinnon 101 100 100 101 102
D8006W (awned) 100 99 99 100 97
Ava 105 105 105 108 107
E1009W (awned) 100 99 98 101 103
E0028W   102 101 102 100
25W36     100 99 98
srw 25R47 (awned) 100 100 99 98 94
Emmit 108 108 108 108 109
E1007R (awned) 103 101 102 102 102
R045 102 103 102 101 99
Huntley (awned) 99 99 100 98 97
Becher 103 101 101 102 104
R055 104 103 104 104 102
25R56 104 104 104 106 103
Branson   107 108 108 113
25R51 (awned)   99 99 97 91
HY 116-SRW     108 106 111
Brooklyn     100 97 100
25R39       104 103
Palmer       96 99
Laurel       100 100
CM614         104
hrw AC Morley 100 101 101 100 96
Harvard 98 98 98 99 101
AC Sampson 101 102 102 103 103
Wentworth 103 103 103 105 106
Stanford (awned)   93 92 90 93
Princeton     96 96 96
Keldin (awned)       94 94
Means (t/ha)5.615.505.525.155.30
Means (bu/ac)83.581.782.176.578.8
Locations16131284

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.
2 Area II = West of Frontenac County between 2500 and 3100 Crop Heat Units.
3 sww = soft white winter, srw = soft red winter, hrw = hard red winter.
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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© 2010 Ontario Cereal Crops Committee