Root knot nematode of Watermelon – Vegetable Crops Hotline

Root knot nematode of Watermelon

Severe root knot nematode damage on watermelon.

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

galls of root knot nematode on watermelon.

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

Root knot nematode

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

Root knot nematode symptoms on watermelon transplant.

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.

Close up of watermelon root knot galls.

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

Root knot nematode galls-severe

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

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