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| Disease: Phytophthora Root & Stem Rot |
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Phytophthora - Links to state extension resources
| Illinois | Illinois variety trials - look under "Compare Varieties" |
| Indiana | |
| Iowa | Phytophthora Root and Stem Rot of Soybeans (pdf format) |
| Kansas | Kansas Soybean Variety Trials |
| Michigan | Michigan State University Variety Trials |
| Minnesota | Minnesota State Variety Trials |
| Missouri | |
| Nebraska | Management of Phytophthora Diseases of Soybeans (also in PDF) |
| North Dakota | |
| Ohio | Phytophthora Damping Off and Root Rot of Soybean - full-color fact sheet |
| Ontario, Canada | Soybeans: Phytophthora Root Rot - Agronomy Guide |
| South Dakota | Phytopthora Root and Stem Rot - printable color fact sheet |
| Wisconsin | Phytophthora Stem and Root Rot webpage Soybean Variety Trials searchable database |