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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)		5.61	5.50	5.52	5.15	5.30
Means (bu/ac)		83.5	81.7	82.1	76.5	78.8
Locations		16	13	12	8	4

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