SINCE the mid-1950s, many soybean growers across Canada have struggled with Phytophthora root rot (PRR), caused by the oomycete Phytophthora sojae. Once the disease is present in their fields, farmers must deal with it for a long time as surviving spores will persist in the soil for approximately 10 years. Continue reading →
Common Bacterial Blight (Xanthomonas campestris) Infection of common bacterial blight (CBB) occurs through natural leaf openings or wounds created by hail or other environmental damage. It first appears as water-soaked spots on the underside of leaflets. Lesions eventually coalesce and … Continue reading →
The fungicide vinclozolin was the go-to product for managing white mould on dry beans for many years, until 2005, when it’s use on beans was revoked by Health Canada’s Pest Management Regulatory Agency. Over the next 10 years after the loss of vinclozolin, many new fungicides were registered for control or suppression of white mould in Canada.…
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