Resistance to Tebuconazole is Widespread in Gummy Stem Blight Fungus in South Carolina

Jim Rogers Disease, South Carolina

South Carolina cucurbit growers should reduce tebuconazole applications in managing gummy stem blight. The pathogenic fungus has become moderately resistant to this very commonly used fungicide, according to Clemson plant pathologist Tony Keinath in The South Carolina Grower. Seven watermelon fields were sampled in 2019 (six fields) and 2021 (one field) in Beaufort, Bamberg, Barnwell and Hampton counties. Of 229 …