黄色粉末防止roots and yellow leaves in potted plants due to poor nutrient soil structure, alkali reversion and waterlogging. Rotten roots can be cut when the pot is turned and replaced, and sulfur powder can be applied to the wound to promote new roots.
When cutting anticorrosive camellia, rhododendron, gardenia, crabapple, magnolia, osmanthus and other cutting seedlings, the base of the cuttings can be dipped in sulfur powder and the cuttings can be effectively prevented from rot.
To prevent and control the flowers and trees that occur with yellowish mildew, anthracnose, black spot, gray mold, etc., spray sulfur powder in the early morning when the leaves are wet, and spray sulfur powder suspension or lime sulfur mixture in dry weather. Sulfur powder has special effects on preventing powdery mildew and rust.