Managing Gummy Stem Blight in Watermelon

Ashley Robinson Cucurbits, Fumigation, Top Posts, Watermelon

By Ashley Robinson Gummy stem blight (GSB), also known as black rot, is a common issue for watermelon producers in the Southeast. Didymella bryoniae, the fungus that causes GSB, favors warm and humid weather, leaving the Southeast growing region susceptible to the disease’s devastating effects. If not managed well, it can cause significant yield loss for growers. RECENT ISSUES Over …

Fumigation for Soilborne Pathogens in Strawberries

Ashley Robinson Fumigation, Strawberry, Top Posts

By Ashley Robinson Since the phaseout of methyl bromide, charcoal rot, caused by the pathogen Macrophomina, has become a growing issue for Florida strawberry growers. For years, soil fumigation with methyl bromide was the preferred method to manage soilborne pathogens such as Macrophomina. However, because methyl bromide was categorized as a Class I ozone-depleting substance, its production and use have …

Anhydrous Ammonia: A Potential Addition to the Fumigation Toolbox

Tacy Callies Fumigation, Top Posts

By Ramdas Kanissery and Pamela Roberts Soil fumigation is a fundamental step for successful commercial crop production in Florida under intensive conventional systems. It has been regularly used on crops such as vegetables, strawberries and potatoes. Soil fumigation is one of the most successful means of reducing soil pathogen and weed populations and is typically applied as a pre-plant soil …