1、 Disease

1. Plant black spot is likely to be an infectious disease. In case of infection, the leaves of the plant will gradually evolve from brown to black, and it will become more and more serious

2. At this time, we should quickly trim the sick leaves and flower branches, and clean up the sick branches and leaves after pruning. Then put it in a ventilated and cool place for ventilation. After waiting for the trimmed wound to heal gradually, spray fungicide or disinfect the soil

2、 Illumination

1. If the light received by the plant is too strong or irradiated for a long time, the plant leaves may also turn black. It is likely that the plant leaves are burned by the light

2. At this time, put the plant in a place with weak light and in a cool place, so that the plant can naturally recover its leaves

3、 Environment

1. If the root system is accidentally damaged when transplanting the plant, the plant may also cause the leaves to turn black due to its maladjustment to the new environment

2. You can transplant with soil, or don't let the plant accept the sunshine after transplanting, and wait for a period of time for the plant to adapt itself