Figure 12. High rates of seed treatment with metalaxyl and mefenoxam are more effective against Phytophthora sojae than lower labeled rates. Here, seed was (from left to right) either not treated, or treated with low, medium or high labeled rates of metalaxyl. Seeds were then planted and seedlings inoculated with a zoospore suspension. Picture was taken 14 days after inoculation (Courtesy A. Dorrance). BACK