root knot nematode of watermelon

Root knot nematode Figure 1. Roots of watermelon many galls due to root knot nematode.
root knot nematode Figure 2. Galls of root knot nematode on watermelon roots.
Root nematode galls on a watermelon root system Figure 3. Root nematode galls on a watermelon root system that has been washed to reveal symptoms of root knot.
root knot nematode 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.
root knot nematode Figure 5. Close up of watermelon roots of transplant with galls.
Root knot nematode Figure 6. Severe root knot nematode galls on watermelon roots.