5/15/2023 0 Comments Bacterial blight![]() ![]() Luckily, algal leaf spot is rarely a lethal disease. Leaf yellowing and falling off prematurely.Reddish-brown lesions on twigs or branches (on large plants).These small spots can expand and merge into larger brown blotches. The leaf spot disease is characterized by small rough, mesh-like brown spots on the leaves of your rubber plant. The rubber plant algal leaf spot is caused by parasitic algae called Cephaleuros virescens. What Causes Brown Spots on Rubber Plants? If the issue isn’t dealt with in the early stages, brown spots will appear on new leaves, shoots, and new stems. In either case, you may see brown spots on the leaf underside and stems. Some may appear where the leaf meets the stem. Some pests and diseases may attack the base of the leaf. And depending on the cause, they can start as small brown spots on the center or near the edges. The browning usually starts from the leaf tips and edges. These are dark brown patches or blotches, prominently on the leaves. That’s why it can be nerve-wracking to see them freckled with brown spots. Rubber plants are currently hot and trendy for their charming personality, character, and beauty. You should also remedy watering, light, humidity, temperature, pests/diseases, and other conditions that caused brown spots.īefore I walk you through the various potential causes and treatment options, let’s talk about where these spots are found and how they appear. Use pruning shears or scissors and disinfect with alcohol between trims. How to Get Rid of Brown Spots on Rubber Plant leaves: Prune away diseased or heavily affected leaves so that green, healthy foliage can thrive. No matter how you rationalize it, ‘brown’ is not the ‘new green.’ Thankfully, I am here to help you diagnose the issue and show you how to nurse your rubber plant back to health. Nothing disrupts the lush, vibrant, glossy green look of your rubber plant, quite like the presence of unsightly brown spots. The rubber plant ( Ficus elastica) has been a favorite classic garden plant and houseplant way back from the Victorian era.
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