Prevention and control of orchid diseases and drug use

First, anthrax is a common disease of orchids. At the beginning, there were little yellow spots. Cut off the diseased leaves as soon as possible, then buy zineb medicine and put it in a well-ventilated place when it is ready. Don't let it get wet in the rain, it will affect the medication.

Second, after the occurrence of black spot disease, its leaves will become withered and black, and the whole plant will become worse. You can give it some medicine with powder and spirit, and control the amount of water and proper ventilation when using it.

3. When a plant suffers from rot, its leaf bottom and root system will be damaged. You should use copper sulfate or spray some fungicides. This disease is generally caused by pathogenic mold, so attention should be paid to disinfection.

Fourth, leaf blight When there are some diseased spots on the orchid leaves, the color of the center of the diseased spot is grayish brown and the edge is dark brown. Cut off the diseased leaves as soon as possible, then spray them and stick them.