The entire leaf eventually may wilt and turn yellow. Leaves defoliate prematurely. In cross-section, a brown layer of tissue appears just below the bark of the lower stem. Bolls may open prematurely. These symptoms are difficult to distinguish from Verticillium wilt.
Most varieties are somewhat resistant.
Maintain soil pH at 6.0-6.5, and use recommended rates of fertilizers. Verticillium wilt Once called fusarium Disease and cause Symptoms Chemical control Alternative control and remarks Root-knot nematode Meloidogyne incognita. 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.