Sulfur can be used on fruit trees, small fruits, ornamentals, shrubs, flowers, and vegetables. It also satisfies organic disease control schemes. These fungicides are often specific for certain diseases of mainly landscape plants. Although they are systemic, they also are best applied before the disease gets out of hand. This fungicide is used on roses, lawns, flowers, and ornamental shrubs and trees.
Some stores sell the one available effective bactericide in quantities homeowners can use.
Streptomycin sulfate - Liquid Fruit Tree Spray is used for control of fire blight disease of apples and pears. Fungicides packaged for homeowner use are generally safe to use, provided that gardeners take sensible precautions. These fungicides are usually formulated as low concentrations of active ingredient and are sold in small quantities, thus minimizing misuse of the chemicals. Follow product label instructions for correct fungicide use. Organic Fungicide Treatments Organic treatments are exempt from testing needed for labeling as pesticides.