When is it best to begin fungicide applications?

It is highly beneficial to begin fungicide applications before any signs of disease appear, as this proactive approach can effectively prevent the onset and spread of fungal diseases in crops. This practice is based on the principle of integrated pest management, where timely applications are crucial for maximizing crop health and yield. Beginning treatments at the first signs of disease or under conditions that favor disease development can often lead to insufficient control, as the disease may have already gained a foothold, making it harder to manage.

Starting applications early, specifically during periods of high environmental risk for disease, allows for a protective barrier to be established against potential threats. As a result, following this strategy can minimize the impact of diseases, reduce the need for more intensive treatments later, and can ultimately lead to improved economic outcomes for farmers.