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What to do with the black leaves of Phalaenopsis

Marie Schrader
2020-07-03 08:28:36
There are many reasons why Phalaenopsis leaves turn black. If it is caused by too strong sunlight, it needs to be shaded in time; if it is caused by poor air quality, it needs to strengthen ventilation, and regularly wipe the leaves; if it is caused by improper fertilization, it needs to avoid fertilizer dripping on the leaves; if it is caused by anthrax, it needs to cut off the sick leaves in time, and move it to a cool and ventilated place, and spray carbendazim for control.

I. shade in time

Reason: Phalaenopsis is suitable to grow in half shade environment, and it is not suitable to receive strong light. Strong light can burn leaves, leading to black spots.

Solution: put Phalaenopsis in a cool and ventilated place. Wait for the leaves to recover, and then move to the astigmatism. Outdoor planting, you can properly shade, avoid the sun at noon.

2. Strengthen ventilation

Cause: Phalaenopsis has a high requirement for air quality, and its growth is not suitable in an unventilated environment. Smoke and dust will cause more damage, making leaves appear black spots.

Solution: put Phalaenopsis in a well ventilated place. Pay attention to the cleaning of the room and keep it clean. Wipe the blade with clean cloth regularly to avoid dust absorption.

Third, fertilize carefully

Reason: fertilizer drips on the leaves of Phalaenopsis carelessly, it is easy to cause black spots on the leaves.

Solution: be careful when applying fertilizer. If this happens again, wash the fertilizer off the leaves with clear water at the first time and wipe it with a rag.

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4. Prevention and control of anthrax

Cause: high temperature and poor air circulation in summer, Phalaenopsis is prone to anthrax, which can cause black spots on the leaves.

Solution: put Phalaenopsis in a cool and ventilated place, and spray water regularly to cool down. Cut off the sick leaves to avoid infection. In addition, spray carbendazim once every half a month to avoid recurrence.

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The Plant Aide - Plant experts around you

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