Powdery mildew is a widespread fungal disease in cucurbits. Infections can cause early defoliation and premature fruit ripening, affecting fruit set, size, quality and storability. The common name “powdery mildew” is also found in other crop groups, but those are different fungi that cannot infect cucumbers. This guide contains integrated pest management (IPM) information tailored for small-scale production, but the guidelines can be applied to all operation sizes. It includes:
- Identification and lifecycle details including photographs of pest phases
- Information about how and when to monitor
- Options for biological, cultural, physical and chemical control
This resource was developed as part of a 12-guide series for small-scale vegetable and berry farmers in the Fraser Valley and Lillooet-Pemberton areas. Growers in other regions of BC may also find the information applicable to their local conditions.
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