What causes dark spots on plant leaves?

Black spots on houseplant leaves are frequently caused by fungal disease or pest damage. Overwatering should be ruled out, too. Less frequent causes are bacterial or viral infection, aging, or nutrient deficiency. Correct care issues, isolate and remove affected leaves before treating.

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Also, how do you treat black spots on leaves?

Add a dash of horticultural oil or horticultural soap and Voila! You have a method of treating black leaf spot that works by changing the pH on the leaf surface to one the fungus can’t survive. The oil or soap makes the solution stick and the cost is around four cents a gallon.

Furthermore, how do you get rid of brown spots on leaves? Use sharp scissors to cut away the dead, brown areas. Just follow the leaf’s natural shape. You’ll still have a thin brown line along the cut, but the rest of the leaf will stay green and healthy as your plant moves ahead.

Consequently, should I remove leaves with brown spots?

Bacterial leaf spots can be a serious problem. Removing affected leaves and stems may treat a mild infection, but more widespread disease often spells the end for your plant. Make sure to isolate your plant to prevent spread of the disease to your other houseplants.

Should I cut off leaves with brown spots?

If a leaf is completely dead and brown, it’s safe to remove it immediately. Otherwise, consider the amount of damage first. Leaves that are less than 50 percent damaged or just have browned tips can be trimmed back and still survive.

What are home remedies for leaf spots?

Leaf Spot Remedy

  1. 1 Drop Ivory Dish Soap.
  2. 2 TSP Baking Soda.
  3. 4 Cups of Water.

How do you get rid of fungus on leaves?

Make a typical baking soda spray by dissolving 1 teaspoon of baking soda into one quart of water. You can add a few drops of insecticidal soap or liquid soap to help the solution spread and stick to the leaves. Only use liquid soap, like Ivory, and not laundry detergent.

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