Check the listing for details. Dormant Spray. Condition: New. Listed at 13.92 USD. Dormant Spray A very effective control for a wide range of Scale, Mites, Fruit Tree Rollers, Pear Psylla, Fall Army worms and White flies. Use on ornamentals, shrubs, fruit and shade trees. USE INSTRUCTIONS ORNAMENTALS: Mix 3 tablespoons (1 1/2 fl. oz.) in 1 gallon of water. Spray foliage thoroughly. FRUIT TREES: To control San Jose Scale on Peaches, Plums, Pears or Apple Trees, Obscure Scale on Pecans; spray trees thoroughly with a mixture of 6 tablespoons (3 fl. oz.) in 1 gallon of water. This product may be used on fruit trees only during the dormant season, which occurs prior to bud swell. Applications may be repeated at intervals of 3 to 4 weeks during the dormant season. This product should be applied in late afternoon or early morning, if possible. Do not spray plants with this product in midday if temperature is or is expected to exceed 90° F.