Once in the ear, they are protected from insecticide applications, which leaves growers with a small window for treatment.
Lipulazi lapho kucatjangwa kutsi kwenteke khona lokubhubuka, libeswe liyavalelwa ngetintfo tekuvikela letihambako kwentela kuvikela tinyoni letigulako kutsi tingasondzelani naleto letisheshe titsatsele.