Powdery Mildew – Herbaceous Ornamentals Quiz Powdery Mildew - Herbaceous Ornamentals Quiz Take the Quiz! Get a perfect score! Earn the medallion! Questions may have more than one correct answer. Be sure to select all answers that are correct. If you don't get a perfect score, you can take the quiz again until you do! Please provide your email address to receive your digital medallion. Reference: Powdery Mildew - Herbaceous Ornamentals Fact Sheet.Email(Required) 1) Powdery mildew typically causes little damage on most plants, although the disease can potentially cause serious problems on phlox and beebalms.(Required) true false 2) Conifers are not affected by powdery mildew.(Required) true false 3) Powdery mildew on phlox, lilacs, and cucumbers is caused by different fungi.(Required) true false 4) The powdery mildew fungus readily overwinters(Required) on debris from infected plants in soil on gardening tools none of the above 5) Powdery mildew is typically more of a problem when there is high humidity.(Required) true false 6) Management of powdery mildew often includes(Required) using powdery mildew resistant varieties routinely decontaminating garden tools reducing mulching around susceptible plants using fungicide treatments thinning plants burning, burying, or hot composting debris from infected plants none of the above 7) Plants resistant to powdery mildew do not show symptoms/signs of the disease.(Required) true false Δ
