1. Symptoms: the pathogen mainly damages the leaves of pothos. In the early stage of the disease, there will be many red brown or black brown spots on the leaves. After a period of time, they will become long ellipses with dark brown edges. Over time, the disease will continue to expand and deepen. In the growing period, the plants may be infected repeatedly.
2. Prevention and control method: this disease should be prevented and controlled at the early stage, and it will cause the spread of bacteria for a long time, so it is difficult to treat. Spraying mancozeb, carbendazim, tobuzin, carbendazim and other solutions will have certain control effect.
1. Symptoms: leaf spot is a disease caused by fungi. When the disease occurs, there will be many irregular gray brown patches on the leaves of the plant, which will gradually spread to the roots. If it is serious, the whole plant will die.
2. Prevention and control method: spray 95% of 500 times of Daphne, or 80% of 1000 times of carbendazim wettable powder. Special insecticides can also be used for spraying. After spraying, remove the diseased leaves in time and pay attention to ventilation to prevent the spread of bacteria.
