Symptoms of Verticillium wilt are more common in which period?

• A. Early spring
• B. Late spring to early summer
• C. Autumn
• D. Winter

Answer: (B)

Verticillium wilt disrupts the plant’s water-conducting xylem, so symptoms show up when the plant is under heat and water stress. In turfgrass, those conditions are most common as temperatures rise from late spring into early summer, when plants demand more water and the vascular blockage becomes evident. Cooler seasons don’t stress the plant as much, so wilting is less noticeable then. So the period when symptoms are most common is late spring to early summer.