Primary Image Phytophthora fungicide timing and effectiveness August 22, 2018 By Steven A Tjosvold Generally, fungicides need to be applied preventatively, before infection occurs, to be most effective in controlling diseases. View Article
Primary Image What You Can’t See August 15, 2018 By Steven A Tjosvold Question: Which of the four Gerbera plants above are infected with a deadly plant pathogen? Answer: Most observers would say the badly wilted plants, that is, the second and fourth from the left. View Article
