Causes of Yellow Spots on Lemon Tree Leaves?

Common Causes of Yellow Spots on Lemon Tree Leaves

Yellow spots on lemon tree leaves can be caused by several factors:

1. Nutrient Deficiency:
   • Magnesium Deficiency: This is a common cause of yellowing leaves with green veins.
   • Iron Deficiency: This can cause yellowing between the veins, leaving the veins green.
   • Nitrogen Deficiency: This can cause overall yellowing of the leaves.
2. Overwatering or Underwatering:
   • Overwatering: Excess water can lead to root rot, causing yellowing and leaf drop.
   • Underwatering: Insufficient water can cause the leaves to turn yellow and dry out.
3. Pests and Diseases:
   • Pests: Aphids, scale insects, and mites can suck sap from the leaves, causing yellowing and other damage.
   • Diseases: Fungal diseases like citrus canker can cause yellowing and spotting on the leaves.
4. Environmental Stress:
   • Temperature Stress: Extreme temperatures can stress the tree and cause yellowing.
   • Poor Air Circulation: Poor air circulation can lead to fungal diseases and pest infestations.

How to Fix Yellow Spots on Lemon Tree Leaves

1. Identify the Cause: Carefully examine the leaves and the overall health of the tree to determine the underlying cause.
2. Adjust Watering: Ensure the soil is well-draining and water the tree deeply but infrequently.
3. Fertilize: Use a balanced fertilizer specifically formulated for citrus trees.
4. Treat Pests and Diseases: Use appropriate insecticides or fungicides to control pests and diseases.
5. Improve Air Circulation: Prune the tree to improve air circulation and reduce the risk of fungal diseases.
6. Monitor Soil pH: Citrus trees prefer slightly acidic soil. Test your soil’s pH and adjust it if necessary.

By addressing the specific cause, you can help your lemon tree recover and produce healthy, yellow fruit.

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