Use Reliant® to control diseases caused by the pathogen phytophthora. Diseases associated with this pathogen include downy mildew, pythium, root rot, and fire blight. Reliant® works well on vegetables, citrus, fruit and nut trees, ornamentals and bedding plants. Reliant® works as both a preventative and curative. You can use this product as a soil drench, foliar spray, soil incorporation or as a bare root dip. Apply it to healthy plants to help them resist disease. For affected plants, it helps the plant kill the invasion while protecting new growth.