Blight (Typhula) occurs under snow cover for 3 or more months. What is the typical symptom?

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Prepare for the Turfgrass Pest Management Category 3A exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam in the best way possible!

Multiple Choice

Blight (Typhula) occurs under snow cover for 3 or more months. What is the typical symptom?

Explanation:
Under long snow cover, Typhula blight forms a very recognizable pattern: circular patches of dead turf that look gray once the snow starts to melt. The fungus grows as a dense white-to-gray mycelial mat under the snow and, when conditions warm a bit, these patches become visible as circular gray spots on the turf. This circular, gray symptomatic mold is the classic sign of gray snow mold caused by Typhula, distinguishing it from other stress symptoms like irregular yellow patches from drought or nutrient issues, white fuzzy growth at the base from different molds, or unrelated patterns such as purple stripes.

Under long snow cover, Typhula blight forms a very recognizable pattern: circular patches of dead turf that look gray once the snow starts to melt. The fungus grows as a dense white-to-gray mycelial mat under the snow and, when conditions warm a bit, these patches become visible as circular gray spots on the turf. This circular, gray symptomatic mold is the classic sign of gray snow mold caused by Typhula, distinguishing it from other stress symptoms like irregular yellow patches from drought or nutrient issues, white fuzzy growth at the base from different molds, or unrelated patterns such as purple stripes.

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