Vegetables like courgette, squash, cucumbers, tomatoes, and melons are particularly susceptible to powdery mildew. Leafy vegetables like spinach, lettuce, and Swiss chard can also be affected by ...

Occasionally, squash plants will be infected with powdery mildew, which shows up as white patches on the leaves. In most ...

The highly-prevalent foliar diseases around at the moment are downyand powdery mildew that affect the cucumbers, squash and zucchini families. These appear on leaves and stems as a white powdery ...

Crop chem firm Gowan Canada has picked up registration for its first biological product in the Canadian horticulture market.