<i>Myrothecium roridum</i> Leaf Spot and Stem Canker on Watermelon in the Southern Great Plains: Possible Factors for Its Outbreak

Fig. 2. Myrothecium leaf spot on watermelon illustrating a somewhat concentric ring pattern of the lesion and sporodochia located in the center.



Image from Plant Health Progress article:
Myrothecium roridum Leaf Spot and Stem Canker on Watermelon in the Southern Great Plains: Possible Factors for Its Outbreak