Root knot nematode of Watermelon

Figure 1: Roots of watermelon many galls due to root knot nematode.

Figure 2: Galls of root knot nematode on watermelon roots.

Figure 3: Root nematode galls on a watermelon root system that has been washed to reveal symptoms of root knot.

Figure 4: A watermelon seedling that has been recently transplanted in the field has root knot galls visible. Note that symptoms of decline of the plant foliage are visible.

Figure 5: Close up of watermelon roots of transplant with galls.

Figure 6: Severe root knot nematode galls on watermelon roots.