OOPSCC Soybean
Ontario Oil and Protein Seed Crop Committee
  White Mould    Heat Unit Zone: 2400-3400(Food)    Change to: 2400    2600    2800    3100    3400   

White Mould Test Results for the Ontario 2400-3400 Heat Unit Zones (Food Tests)


2400 to 2900 HU - Ottawa 2003-2004
Variety H.U.Rating Plants infected (%) Sponsor
Nattosan 2500 63.4 Susceptible check
Kamichis 2550 5.5 Hendrick Seeds
RD 714 2600 0.9 Hendrick Seeds
DH 3604 2650 8.8 Hendrick Seeds
OAC Woodstock 2700 19.1 Hendrick Seeds
OAC Oxford 2750 3.3 Secan
91M10 2800 4.9 Pioneer Hibred
Ventrm 2850 1.6 Agromart Processing
Test Mean 6.3
2600 HU - Ottawa 2004
Variety H.U.Rating Plants infected (%) Sponsor
Nattosan 2500 46.7 Susceptible check
Kamichis 2550 0.9 Hendrick Seeds
RD 714 2600 0.0 Hendrick Seeds
DH 3604 2650 8.3 Hendrick Seeds
OAC Woodstock 2700 8.1 Hendrick Seeds
Test Mean 7.5
2800 HU - Ottawa 2004
Variety H.U.Rating Plants infected (%) Sponsor
Nattosan 2500 66.2 Susceptible check
OAC Oxford 2750 3.0 Secan
91M10 2800 1.5 Pioneer Hi-Bred
OAC Shire 2800 21.2 Susceptible check
Ventrm 2850 0.0 Agromart Processing Co.
Leo 3000 0.7 Agworks Inc.
Test Mean 19.3
3400 HU - Malden 2004
Variety H.U.Rating Plants infected (%) Sponsor
S19-90 3000 9.8 Resistant Check
92M10 3000 46.2 Pioneer Hi-Bred Ltd.
OAC Kent 3050 14.0 Secan Association
346-98 3100 22.7 Hyland Seeds
Elgin 87 3100 38.4 Mod. Susc. Check
ISG2631F 3150 21.7 Inwood Seed & Grain Ltd
ISG50588 3150 48.9 Inwood Seed & Grain Ltd
S25-D3 3150 16.8 Syngenta Seeds Canada Inc
ADAM 3200 36.6 Inwood Seed & Grain Ltd
ISG2800F 3200 51.6 Inwood Seed & Grain Ltd
Orion 3200 41.7 Inwood Seed & Grain Ltd
92M72 3250 73.5 Pioneer Hi-Bred Ltd.
Williams Early MG 3 78.3 Susceptible Check
Test Mean 39.6
Note: Results from a naturally infested, non-irrigated site.
Incidence of disease may vary with location and environment

White mould test results should be used as only a general guide in variety selection. Ratings could change with weather and location. Grower's with white mould problems should consider crop rotation with a non-host crop, selection of early varieties, wider row spacing and avoiding heavy applications of manure, in addition to selecting varieties with the lowest plant infection.



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