1. Reason: the pineapple does not have strong cold resistance, so it can not grow in the too cold environment for a long time. Otherwise, it may be frozen, black stems and leaves.
2. Treatment method: put it into a 10 ℃ environment. Cut off the seriously blackened stems and leaves, and then slowly conserve them. Wait for them to recover.
1. Cause: if the flower soil for breeding is not air permeable enough, or if it is watered too many times during breeding, it may appear rotten roots. The black rot part of its root will gradually spread, causing it to rot.
2. Treatment method: take the plant out of the basin, then cut off the rotten root and the seriously blackened part of the stem, change some flower soil and replant. If it rots badly, it needs pruning and replanting.
1. Cause: if it is infected by some bacteria and has disease, it may also have black stem.
2. Treatment method: take it out of the basin, cut off the blackened stems and leaves, then put it in the fungicide for 20-30 minutes, take it out and dry it, and plant it in a new soil. And after the maintenance process, every 10 days or so spray a sterilization solution, to prevent recurrence.
