1. If you find the rotten roots of Mulan, you should dig them out from the flowerpot in time, clean up all around the roots, and then cut off the rotten roots, and the yellow and spotted diseased leaves, as long as its bulbs are not rotted.
2. The treated plants should be disinfected, then put in a cool and ventilated environment to dry, and prepare suitable pot soil. The soil should be loose and well drained. If you still use the old pot, you should disinfect it to avoid being infected again. After replanting, you should strengthen the care.
Cause: excessive watering will lead to water accumulation in basin soil. If the soil is impermeable, its root system will rot due to lack of oxygen.
Solution: control the amount of water, do not pour too much water at one time, and the frequency of watering should also be properly controlled. In addition, in rainy days, water less, or stop watering. If the outdoor breeding rain stops, drainage should be done in time.
Cause: the soil is airtight, the root system of Mulan has no way to breathe, it will cause the phenomenon of rotten root due to lack of oxygen.
Solution: timely change into the soil with good permeability, loosen the soil irregularly, and the flower pot is better to change into the soil with good permeability, which is more conducive to its growth
Cause: if the root of Mulan is infected by fungus, there will be diseases and insect pests, which will lead to rotten roots.
Solution: after the discovery, the medicine should be sprayed in time, and the basin soil should be disinfected to avoid secondary infection.