OSACC Soybean
Ontario Soybean And Canola Committee

TABLE 7. RESISTANT VARIETY PERFORMANCE IN SCN INFESTED FIELDS


Round-up Ready Varieties*
Variety Average of 6 Tests Average of 4 Tests  
(2014-2016) (2015-2016) Source of
Days to Yield Index Days to Yield Index Resistance
Maturity (%) Maturity (%)  
Akras R2 -- -- 93 65 Other
Podaga R2 -- -- 101 76 No
Hydra R2 101 73 102 74 PI 88788
PRO 2845R2C 107 127 106 124 PI 88788
HS 09RYS12 107 117 107 114 PI 88788
P15T46R2 111 129 109 128 PI 88788
P15T83R 112 114 110 108 PI 88788
HS 14RYS44 111 125 111 124 PI 88788
Mylitta R2 113 105 112 101 No
P18T31R 114 139 113 141 PI 88788
P19T01R 116 129 116 131 PI 88788
PRO 3025R2C 116 145 116 150 PI 88788
P22T69R 117 140 117 147 Peking
HS 19RYS14 118 142 118 149 PI 88788
P25T51R 120 140 118 143 PI 88788
P24T05R 118 131 119 134 PI 88788
92Y55 120 133 120 138 PI 88788
HS 25RYS47 122 130 122 136 PI 88788
5A255RR2 124 136 122 142 PI 88788
HS 30RYS53 127 131 125 141 PI 88788
P28T08R 126 137 125 142 PI 88788
93Y05 128 136 128 141 PI 88788
P33T72R 130 137 129 145 PI 88788
** Susceptible Yield Index is: 100%   100%  
Susceptible Yield (Conv): 3.10 T/ha   2.92 T/ha  
    46.0 bu/ac   43.4 bu/ac  
 
Conventional Varieties
Variety Average of 6 Tests Average of 4 Tests Source of
(2014-2016) (2015-2016) Resistance
Days to Yield Index Days to Yield Index  
Maturity (%) Maturity (%)  
Skyline 110 109 109 108 PI 88788
DH410SCN 112 107 110 98 PI 88788
OAC Marvel 117 120 115 114 PI 88788
HS 21CS43 116 117 116 108 PI 88788
AAC 26-15 -- -- 121 117 PI 88788
AAC Stern 129 108 130 109 PI 88788
** Susceptible Yield Index is: 100%   100%  
Susceptible Yield (Conv): 3.21 T/ha   3.28 T/ha  
    47.6 bu/ac   48.7 bu/ac  
           
* Roundup Ready (RR) varieties, tested under a RR management system.
** Susceptible Yield Index is based on three high yielding susceptible varieties.
Test locations had moderate to high SCN infestations of 3,000 to 6,000 eggs/100g soil.

2-Year RR Yield vs Maturity Graph



2-Year Conventional Yield vs Maturity Graph



3-Year RR Yield vs Maturity Graph



3-Year Conventional Yield vs Maturity Graph




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