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- 🔥 White Spots on Your Leaves
🔥 White Spots on Your Leaves
Some Causes
White spots on cannabis leaves can be indicative of various issues, including pests, diseases, nutrient deficiencies, or environmental stressors. Here are some common causes of white spots on cannabis leaves:
Powdery Mildew: One of the most common causes of white spots on cannabis leaves is powdery mildew, a fungal disease that thrives in humid conditions. Powdery mildew appears as white, powdery spots on the leaves, which can spread rapidly if not addressed promptly.
Spider Mites: Spider mite infestations can also cause white spots on cannabis leaves. These tiny pests feed on the plant's sap, leaving behind white stippling or speckling on the leaves as they damage the leaf tissue.
Thrips: Thrips are another type of insect that can cause white spots on cannabis leaves. These pests feed on plant sap and leave behind silvery or white streaks or spots on the leaves.
Nutrient Deficiencies: Certain nutrient deficiencies, such as calcium or magnesium deficiency, can manifest as white spots or blotches on cannabis leaves. These deficiencies can disrupt the plant's ability to photosynthesize properly, leading to discoloration and damage.
Light Burn: Excessive exposure to intense light, particularly in the flowering stage, can cause light burn, resulting in bleached or white spots on cannabis leaves nearest to the light source.
Environmental Stress: Environmental stressors such as extreme temperatures, high humidity, or improper watering practices can also cause white spots or discoloration on cannabis leaves.
Pesticide Residue: If pesticides or other chemicals are used on the plant, they can leave behind residue that appears as white spots or marks on the leaves.
It's essential to accurately diagnose the cause of white spots on cannabis leaves to implement the appropriate treatment or corrective measures. Inspecting the plant for signs of pests, checking environmental conditions, and monitoring nutrient levels can help identify and address the underlying issue effectively. If unsure, consulting with a knowledgeable grower or agricultural expert can provide valuable insights and guidance.