Cassava Witches’ Broom Disease takes flight in South America
July 18, 2025. In 2023, cassava farmers in remote French Guiana watched in shock as their crops withered. They pulled dilapidated stems from the ground. Instead of unearthing massive root bunches, which are cornerstones of diets across South America, they found nothing larger than carrots. Local agencies (FREDON in French Guiana and Rurap in Brazil) informed on the scale of