Box of four on-site diagnostic test kits. This kit contains everything you need to test your plant for Phytophthora infections. Test for: Late Blight, Sudden Oak Death, Rhododendron Root Rot, Cinnamon Root Rot and many other diseases. These test kits will immediately confirm the presence or absence of a pathogen in question. Results are displayed in minutes and are simple to interpret. These test kits are the easiest diagnostic tool to perform in the field. The storage requirements are made with the professional in mind. Cheaper, faster, and more private than taking suspect plants to a lab. These test kits are used by agronomists, nurseries, universities, farmers, seed certification agencies, local, state, and federal agriculture inspectors. These are the field test kits for the professional. The Pocket Diagnostic Phytophthora rapid on-site test is a genus specific test designed for the in-field detection of many Phytophthora species, such as: Phytophthora ramorum, Phytophthora kernoviae, Phytophthora lateralis, Phytophthora cinnamomi, and Phytophthora cactorum.