Weed Science is the study of weeds, which are unwanted plants at a particular place and time, and their management. Weed is an integral component of the pest complex that reduces the quality and quantity of crops produced. Studying weeds is important in developing effective and integrated weed management strategies to increase crop productivity.
Entomology provides various activities leading to a better understanding of Philippine insects and related arthropods; the development of effective pest management systems that support national agricultural production programs; training Filipino and foreign students in entomological profession; the development of industries based on beneficial insects.
Plant Pathology provides in-depth knowledge on plant diseases and their causative agents, and the strategies for disease management. It is geared towards attaining food and feed security and safety, and shaping up globally-competitive plant pathologists.