Clemson Plant Pathologist Tony Keinath believes Gatten, Vivando, Quintec and Procure fungicides provide the best management options for cucurbit producers managing powdery mildew. According to the The South Carolina Grower, a fungicide sensitivity bioassay was conducted between June 1 and June 10 to determine which fungicides can be used against the current outbreak of powdery mildew on squash, watermelon and …