The treatment, which can include the destruction of parts of the plants, eliminating a disease. In the case of the disease, sometimes it is necessary, and interacting with both the reduction of damage. Maintaining the best of the rest and preventing the infection outbreak spread destruction other parts remain, including side costs around. However, treatment plants, so as far as practical. Most often aim to plant perennial or permanent crops such as wood, with the most recently started life as a symptom of a disease, or to see the severe stage. Usually, it will not do to get fall crops such as vegetable crops or because the disease occurs, or when the display is visible symptoms are usually severe damage and the cause of protecting works with no expenses. In order to maintain the plants as a disease may be performed by means of heat treatment such as chemotherapy and surgery.