What to do if the clematis stem turns black

1. Solve according to different situations

(1) Specific reasons: It may be caused by unsuitable maintenance conditions. However, there are many factors that may cause the rod to turn black. For example, too much watering can cause the roots to rot and the stems to turn black. It may also be that too much fertilizer was applied or the concentration was too high, resulting in fertilizer damage. It may also be due to poor ventilation, which causes problems with the entire growth of the plant, and then the stem turns black.

(2) Solution: Depending on the situation, first determine which link has the problem. Then, just treat the symptoms. If the blackening of the stem is severe, the plant will need to be removed from the pot and the blackened part will be trimmed off. Then, select the good parts for cuttings. However, after cuttings, the wound should be treated with disinfectant.

2. Treatment of diseases

(1) Specific reasons: Another important reason that causes the stems to turn black is disease. The most likely cause is "twig dieback". In the early stages of the disease, small spots will appear on the stems. after. The spot slowly enlarged and it looked like the rod was turning black.

(2) Solution: When diseased branches are discovered, they must be cut off and disposed of promptly to prevent them from continuing to infect healthy branches. Make sure to prune on a sunny day. After pruning, treat and disinfect with Bordeaux liquid. Then, you can use medicine for treatment, such as a 50 percent concentration of carbendazim solution.