Infestations are not common, but they are more obvious during dry seasons like this one.

The injury from the root aphids feeding on the roots.

Symptoms include:

a)      Wilted areas in fields

b)      Leaf chlorosis

c)      Whitish-gray, “mold” on the root (see Figure 1)

 

Control is through crop rotation, good weed control, cleaning equipment between fields, and possibly varieties and insecticides.

 

Figure 1.