This manual is designed by the Texas Department of Agriculture as a training program for private pesticide applicators to certify them on a voluntary basis, and to apply restricted-use pesticides in compliance with federal law. An introduction with federal and state laws and regulations regarding pesticide use and private applicators is presented. Topics discussed include labels and labelling, pesticide safety, environmental considerations, application equipment and calibration. The manual also presents pests and pest damage, insect pests, plant disease control, weed control, brush control, aquatic vegetation control, and wildlife damage control. (HM)