Causes of black spots on fleshy leaves: Prevention and control methods of black spots on fleshy leaves: Maintenance skills for black spots on fleshy leaves: Succulent plants are loved by many plant lovers because of their unique shape and easy-to-maintain characteristics. During the maintenance process, the problem of black spots on fleshy leaves often troubles many novices and enthusiasts. This article will reveal the causes, prevention and control methods and maintenance skills of black spots on fleshy leaves to help you better protect your fleshy plants. Causes of black spots on succulent leaves 1. Fungus infection: Black spots on succulent leaves are likely caused by bacterial infection. Common bacteria include leaf spot fungus, anthracnose fungus, etc.
2. Pests: Some pests such as scale insects and red spiders can also cause black spots on fleshy leaves.
3. Environmental factors: Environmental factors such as insufficient light, poor ventilation, and too high or too low temperatures may cause black spots on fleshy leaves.
4. Improper maintenance: Maintenance problems such as excessive watering and improper fertilization may also cause black spots on the leaves. Prevention and control of black spots on fleshy leaves 1. Clean the leaves: Wipe the leaves regularly with a damp cloth to remove dust and dirt, which helps prevent bacterial infections.
2. Ventilation and ventilation: Maintain a good ventilated environment and avoid leaves being in a humid state for a long time.
3. Control watering: Reasonably control the watering frequency according to the growth habits of succulent plants to avoid stagnant water.
4. Use fungicides: When black spots are found on the leaves, use fungicides such as carbendazim and thiophanate-methyl to spray them.
5. Change pots and soil: When succulent plants grow too fast and the roots are too crowded, the pots and soil should be changed in time to avoid root rot. Tips for maintaining black spots on succulent leaves 1. Reasonable lighting: succulent plants like enough sunlight, but avoid direct sunlight to avoid sunburn the leaves.
2. Control temperature: The suitable temperature for succulent plants to grow is between 15-25℃ to avoid too high or too low temperatures.
3. Appropriate amount of fertilization: According to the growth stage of succulent plants, apply appropriate amount of compound fertilizers or organic fertilizers to avoid excessive fertilization.
4. Pay attention to soil drainage: Choose soil with good air permeability to ensure good soil drainage and avoid stagnant water.
Black spots on succulent leaves are a common problem during the maintenance process. Understanding its causes, prevention methods and maintenance techniques will help us better take care of these lovely succulent plants. I hope this article can provide useful reference for succulent plant lovers.