White Mould Test Results for the Ontario 2400-3400 Heat Unit Zones (Food Tests)
| 2400 to 2900 HU - Ottawa 2003-2004 |
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| 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 |
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| 2600 HU - Ottawa 2004 |
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| 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 |
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7.5 |
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| 2800 HU - Ottawa 2004 |
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| 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 |
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| 3400 HU - Malden 2004 |
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| 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 |
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39.6 |
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| Note: Results from a naturally infested, non-irrigated site. |
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| Incidence of disease may vary with location and environment |
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| 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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