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Table 1 - Ontario Performance Trial; Winter Wheat 2010 - Cumulative Yield Index1
Summary for Area I & II Combined2, OCCC, August 2010



Class3 Variety 5 year 4 year 3 year 2 year 2010
sww Superior 100 4 101 100 100 102
AC Mackinnon 102 101 101 101 103
D8006W (awned) 101 101 100 100 98
Ava 103 104 104 105 106
E1009W (awned) 101 100 99 101 104
E0028W   103 102 102 102
25W36     101 100 101
srw 25R47 (awned) 103 104 103 102 101
Emmit 106 106 105 106 108
E1007R (awned) 103 102 102 103 103
R045 104 105 105 104 104
Huntley (awned) 101 101 101 100 99
Becher 102 102 102 101 100
R055 103 102 102 102 101
25R56 104 104 103 105 105
Branson   105 105 104 106
25R51 (awned)   101 101 98 96
HY 116-SRW     104 103 104
Brooklyn     102 99 101
25R39       106 106
Palmer       98 100
Laurel       98 98
CM614         104
hrw AC Morley 99 99 100 99 96
Harvard 96 96 97 97 98
Wentworth 102 102 104 104 104
Stanford (awned)   92 91 91 92
Princeton     99 98 97
Keldin (awned)       96 97
Means (t/ha)5.895.755.765.535.58
Means (bu/ac)87.685.585.682.383.0
Locations322621147

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 I & II Combined = 2500 Crop Heat Units or more, West of Frontenac County.
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