Which practice directly helps reduce disease by removing water from leaves?

Which practice directly helps reduce disease by removing water from leaves?

• A. Removing water from leaves
• B. Increasing shading
• C. Applying fertilizer
• D. Increasing mowing height

Answer: (A)

Leaf wetness duration is a major driver of turf disease. Many leaf pathogens need free water on blade surfaces to germinate and invade. Directly removing water from leaves shortens this window, making it harder for pathogens to establish infections. So a practice that actively dries or prevents water from staying on leaf blades is the most direct way to reduce disease pressure. Other options influence disease risk more indirectly: shading can alter humidity in ways that might worsen or lessen disease depending on conditions; fertilizer doesn’t influence leaf moisture; increasing mowing height mainly changes canopy structure and airflow rather than actively drying leaves.

Leaf wetness duration is a major driver of turf disease. Many leaf pathogens need free water on blade surfaces to germinate and invade. Directly removing water from leaves shortens this window, making it harder for pathogens to establish infections. So a practice that actively dries or prevents water from staying on leaf blades is the most direct way to reduce disease pressure. Other options influence disease risk more indirectly: shading can alter humidity in ways that might worsen or lessen disease depending on conditions; fertilizer doesn’t influence leaf moisture; increasing mowing height mainly changes canopy structure and airflow rather than actively drying leaves.