1. If the cultured emerald tree has rotten roots, it needs to regenerate new roots. First of all, take the plant out of the flowerpot and clean up the old soil at the root with a shovel. Directly use a clean pair of scissors to cut off the rotten root system until it shows the healthy root system. To be disinfected and dried in potassium permanganate, smear some rooting powder, and then put it back in the pot, and finally wait for it to grow new roots.
2. If it is to cut new roots in winter, the temperature should be controlled above 15 ℃. If the temperature is too low, it will not grow well. Cut the branches 15-20cm long from the mother plant, leaving only 2-3 leaves on the top. It's better to treat them with rooting solution, and then cut them into the flower soil. During its rooting, there should be a certain humidity, and avoid direct sunlight.
Winter watering must not be too diligent, it is best to check the dry and wet conditions of the basin soil with a shovel before watering, if the soil turns white, you can water it. In addition, the water temperature should be close to the room temperature, too cold water will freeze its roots. Water also want to choose as far as possible at noon, still should be in after watering proper see light ventilated..
