1、 Causes of rust spots

The rust spots on the leaves of banyan may be caused by too high temperature and humidity, especially between March to June and October to November in the south, which is the peak period of the disease. Some diseases will go through the winter with the plant and endanger the growth in the next year. At the beginning of the disease, there will be nail sized spots on the leaves, which will slowly expand in the later stage. Finally, there will be spots on the whole leaves, which will turn brown and curly

2、 Treatment method

Once there is rust on its leaves, it will not recover and will not come back. Diseased leaves should be removed in time to avoid further infection. If the disease is serious, the diseased parts should be cut off, and the soil and basin should be changed for thorough disinfection. Re curing after disinfection

3、 Preventive measures

During the management period, clean the blades with clean water frequently to keep them clean. The basin soil should be breathable with good water permeability, and the soil with too heavy viscosity should not be used. Watering should not be too frequent. The humidity must not be too high, especially not ponding. If the soil is wet, loosen the soil more and accelerate evaporation. Ventilation should be strengthened in high-temperature environment, and the air in the place should always be in circulation, so it is not easy to infect diseases and pests. In addition, it should be noted that once the disease is found, it should be sprayed for treatment as soon as possible