Sesame sowing date and insecticide application frequency to control sesame webworm Antigastra catalaunalis (Duponchel) in Humera, Northern Ethiopia

Background Sesame (Sesamum indicum L.) is one of the most important crops in Ethiopia for international market, while its production is challenged by insect infestations and inappropriate agronomic practices. Sesame webworm (Antigastra catalaunalis) is the major pest, which causes heavy losses in Humera areas, Northern Ethiopia. This study aims to determine optimum sowing time and insecticide application frequency for controlling A. catalaunalis.