Phytophthora blight of Watermelon

Figure 1. Phytophthora blight has caused the round bruised-like areas on the watermelon.

Figure 2. Phytophthora blight has caused the water-soaked symptoms on the base of this watermelon including the white sporulation of the fungus.

Figure 3. Phytophthora blight of watermelon has caused the large necrotic regions on this watermelon. The vines of watermelon are usually not affected by Phytophthora blight, but in extreme cases can become symptomatic.

Figure 4. Phytophthora blight of watermelon has caused the lesions with gray/white sporulation. Note the bruised circular areas around each lesion.