Blossom end rot. Tomatoes (Lycopersicon esculentum) with blossom end rot caused by calcium deficiency. A lack of moisture or variation between dry and wet conditions is also to blame. A moist lesion forms on the bottom of the fruits, and may split, allowing bacterial or fungal infections to take hold. Calcium application and permanently moist soil may prevent the problem.
Model release not required. Property release not required.