ORH1113C - Pest and Disease Control ORH1113C - Pest and Disease Control Covers the identification, nature and eradication of ornamental plant pests and includes the development of a pest management program involving the proper selection and application of pesticides and herbicides. Provides technical treatment of the identification, nature and eradication of ornamental plant diseases and disorders; covers disease control management involving the proper selection and application of disease control practices. This course leads to state certification. Terms Classification: Dual