Whether to seed treat or not is a question that often comes up in the spring. Harry Brook, crop specialist at the Ag-Info Centre, says seed treatment should be looked at as an insurance policy to protect against less-than-ideal growing conditions in the spring.
Interview with Harry Brook (4:14 minutes) (1.94 Mb)
Brook adds seed treatment should never be used to replace good seed. He says poor, diseased, low germinating seed will still be poor, diseased, low germinating seed with or without seed treatment. Rather, seed treatment is insurance and protection, and not a replacement, for good seed quality.
Source : Alberta Ag and Forestry