Pesticide Applicator Test Questions and Answers 100% Solved

Pesticide Applicator Test Questions and Answers 100% Solved Selective Herbicides Kills some plants but cause little to no injury to others. Kills most broadleaf plants and grasses. Non-selective Herbicides Toxic to all plants. Used when living plants are undesirable. Soil Sterilants Kills all plants and prevents reestablishment of weeds Contact Herbicides Kills the plant parts on which the herbicides are deposited. Only destroys the above ground part of plants Translocated Herbicides May be absorbed by leaves, stems, or roots. Once absorbed they are moved throughout the plant Plant Growth Regulators Increase or decrease the normal rate of growth or reproduction of the plant Defoliants Cause the leaves of a plant to drop off prematurely Desiccants Draws moisture out of the plant, causing it to wither and die Preplant Herbicides Applied before the crop is planted Preemergence Herbicides Applied before both the crop and weeds appear, or after crop is up but before weeds appear.