What to do if the orchid leaves turn black
For most women, the topic of what to do if orchid leaves turn black, as well as sharing the reasons and solutions for black orchid leaves, the following is an introduction by the editor for netizens.
1. Low humidity: Orchids thrive in humid environments. If the environment is too dry when cultivating orchids, it will lead to a lack of water in the plant, causing the orchid leaves to turn black. In this case, it is necessary to spray water mist around the orchids every morning or evening to increase the humidity in the air.
2. Lack of nutrients: Orchids require ample nutrients during growth. If the fertilizer is insufficient when cultivating orchids, it will lead to malnutrition in the plant and black and yellow leaves. It is necessary to apply a diluted phosphorus and potassium liquid fertilizer once a month during the growth period of orchids, and avoid sprinkling fertilizer on the flowers and leaves of the plant to prevent fertilizer damage.
3. Excessive sunlight: When cultivating orchids, if they are exposed to strong sunlight, it will cause the leaves of the plant to be burned. It is necessary to move the orchids to a well-ventilated area with diffused light during the spring, summer, and autumn seasons to receive appropriate sunlight, while in winter, the orchids can be placed in a bright area to promote photosynthesis.
4. Infected with diseases: If orchids are infected with diseases and pests, their leaves will turn black. It is necessary to prepare a sharp pair of scissors that has been disinfected with alcohol and cut off all the diseased black leaves of the plant to prevent further deterioration. Moreover, it is necessary to spray a fungicide once a week to eliminate the bacteria on the orchids and promote healthy growth of the plant.
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