How to prevent and cure the root rot of Cymbidium?

But the magnolia is a wild plant that is easy to root and survive, usually the heart bud is still there, and the leaves can still be saved. First, cut off the rotten root and clean the stem. Soak the head with 0.3% color 0.5% potassium permanganate solution for 5 minutes and then remove it and rinse the head with clean water for planting. When the basin soil is dry, it is feasible to wet the head. When the basin soil is wet, it is not necessary to water the basin soil and other basin soil is dry.