What to Do When Phalaenopsis Stem Turns Black
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What to Do When Phalaenopsis Stem Turns Black
If the stem of a Phalaenopsis turns black, it is first necessary to use a sterilized, sharp pair of scissors to cut off the affected stem and dispose of it. Then, apply a specialized medication for treatment by spraying it on the plant. After that, it is important to avoid keeping it in a stuffy and hot environment, control watering, and ensure it receives appropriate scattered light.
1. Pruning and Disinfection
If the stem of a Phalaenopsis turns black, it is likely due to a bacterial infection. In this case, use a sterilized, sharp pair of scissors to cut off the blackened stem and dispose of it. Then, apply a specialized fungicide for treatment by spraying it on the plant. Generally, it is necessary to spray 2-3 times at 10-day intervals to completely control the issue.
2. Temperature Control and Ventilation
In a high-temperature environment, Phalaenopsis is prone to blackened stems. Therefore, it is necessary to take measures to control the temperature, preferably moving the plant to a cool place for care, ensuring the temperature does not exceed 32°C. Additionally, proper ventilation management is required to avoid a stuffy and hot environment, which can help the plant recover its health.
3. Water Control and Light Penetration
If the stem of a Phalaenopsis turns black, it is also necessary to control watering. Although it prefers to grow in a humid environment, it should not be exposed to excessive humidity. It is best to keep the air humidity around 60% and the substrate slightly moist. At the same time, ensure it receives an appropriate amount of scattered light.
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