This study identified dangerous fungi causing soybean pod decay in Southwestern China’s intercropping farms. Researchers found 8 types of Fusarium and 6 types of Colletotrichum fungi infecting soybean pods, with some species being discovered as soybean pathogens for the first time. Laboratory tests showed that certain species like F. proliferatum and C. fructicola cause severe damage to both soybean pods and seeds, potentially reducing crop yields and seed quality significantly.