1 To study the outbreak of plant diseases and insect pests of rice, cassava, sugarcane and maize.
2 To obtain mathematical models for studying the spreading of plant diseases and insect pests.
3 To obtain the efficient controls for the outbreak of insect pests in terms of how often/ how much farmers should release natural enemies of insect pests in order to control the outbreak of insect pests and maximize profit.
4 To obtain the appropriate controls for the outbreak of plant diseases.