Tag: gummy stem blight

• 2023 Gummy Stem Blight Control for Watermelon Growers: Early is on Time

  

  From Tony Keinath, Extension Vegetable Pathologist. The recent freeze in the lower part of South Carolina more than ended the 2022 watermelon season. It’s not too early to plan for gummy stem blight control in 2023 to allow time to buy the right fungicides in case of shortages. As the saying goes, early is on…

  Justin Ballew

  November 22, 2022

  Disease, Watermelon

  disease management, fungicide resistance, fungicides, gummy stem blight, Watermelon

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

  

  From Clemson Plant Pathologist Tony Keinath. Cucurbit growers should reduce the use of tebuconazole to manage gummy stem blight as the pathogenic fungus has become moderately resistant to this very commonly used fungicide. Seven watermelon fields were sampled in 2019 (six fields) and 2021 (one field) in Beaufort, Bamberg, Barnwell, and Hampton counties. Of 229…

  Justin Ballew

  June 14, 2022

  Cucurbits

  Disease, disease management, fungicides, gummy stem blight, resistance, tebuconazole, Watermelon

• Preparing for Gummy Stem Blight in Fall Cucurbit Crops

  From Clemson Plant Pathologist Tony Keinath. Gummy stem blight is more common and more severe on fall cucurbit crops than crops grown in the spring. The cooler weather and longer dew periods in the fall provide an ideal environment for the fungal pathogen to grow and spread. Gummy stem blight is most common on watermelon…

  Justin Ballew

  July 26, 2021

  Cucurbits, Disease, Watermelon

  Cucurbits, Disease, fall crops, fungicides, gummy stem blight, Watermelon