Page 268 - Primary Five Science

Methods of controlling Crop pests

 Practice crop rotation - to disrupt the life cycle of pests

 Spray or dust with Agro-Vet chemicals

 Practice early planting

 Planting clean varieties and disease free and resistant varie-

ties (genetic modifications)

 You can introduce other organisms that act as predators to

the pests

Plant Diseases

A plant disease is defined as “anything that prevents
a plant from performing to its maximum potential.