Above-ground symptoms depend on the level of infestation. At high levels, plants may be stunted, yellowing and unthrifty in appearance. Plants may wilt in the heat of the day and recover at night. Yields are reduced. Symptoms may be confused with mineral deficiency, drought, herbicide injury or other soil-borne diseases.
Symptoms occur in oval patches or spaced erratically through the field.
Roots have small to large galls and may be excessively branched. Roots usually are discolored. Few resistant cotton cultivars are available. Do not plant for 1-2 weeks. Do not plant for 2-3 weeks.