Although it is a fungal disease, it’s rarely fatal. MEALYBUGS. For the best chances of…, As your Jade Plant grows, it will naturally drop older leaves. It can disable a succulent from absorbing water. Regardless of where they may be found or how hardy they are, succulents are not impervious to disease. Although succulents come in a wide range of sizes, shapes and colors, they all share a propensity to develop fungal infections when out of their naturally dry habitats. Sooty Mold also called Black Mold, is among the least damaging fungi on succulents. Many problems can be avoided by following good cultural practices, especially cleanliness. A cactus that has been growing upright but is now leaning indicate that your plant is stressed…, Although some fungal infections do little damage to cacti, others that are left untreated can lead to the death of the cactus. Etiolation occurs when a succulent needs more sunlight and must create additional growth to find it. Excessive sun, though, can result in sunburn. Both indoor and outdoor cacti can suffer from leaning. Grey Mold form grayish … Most viruses are spread to succulents through... Fungal Disease. Fungal lesions on cactus usually start as water spots or slight discolorations on the plant’s epidermis. It will stunt the plant’s growth though because with enough of it, photosynthesis will be impaired and leaves can start to fall off due the inability to feed on the right nutrients. ): This disease affects several kinds of cacti, Cereus, Echinocactus, Mammillaria, and particularly Opuntia (prickly pear). Succulents with viral infections often show signs of developmental disorders such as stunted growth and abnormal overgrowth of shoots. If you grow your succulents outdoors, you should worry about the possibility of rodents attacking your plants. Mice tend to take a bite out of ... RED SPIDER MITES. Recognizing wilt signs promptly and…, The death of a cactus is most likely caused by or associated with excessive moisture around the roots, although factors like a too-deep…, Jade Plant problems that cause black spots range from insects, viruses, fungal disease and even incorrect care. Besides the direct damages caused by Anthracnose, this disease favors the growth of the Alternaria fungus which emphasizes the tissue destruction. Caused by the fungus Histoplasma, which lives in the environment, often in association with large amounts of bird or bat droppings. A plant that has been in the same pot for too long can grow excessive roots that become so entwined that water cannot penetrate. Viral Infections – Succulents contract viruses through insects feeding on the plant’s sap. Histoplasmosis. Saddleback College lists iron defiency as being one of the more common deficiencies in succulents, causing them to turn yellow. Cactus Anthracnose . Excessive nitrogen prevents flowering and causes the succulent to become a darker green. Deficiencies. ; the extra growth is often sickly and deformed. Nothing can be done once a succulent catches a virus; the plant must be discarded. To reduce alkalinity, citric or acetic acid -- vinegar -- can be added, but potassium dihydrogen phosphate adds acid and minerals as well. Powdery Mildew is a kind of fungal disease that thrives in different plants. She has written articles on a number of topics including home improvement, pet care, health and physiology. Sometimes a succulent can appear to have a disease when it is actually an issue of poor care. Photo via Planet Natural>. There may be an active pink, red or orange spore pad in the lesions. All My Indoor Potted Succulents Are Dying, Saddleback College: Cactus and Succulents, How to Make Sure Your Succulents Get Enough Sun. Overwatering of succulents mixed with cool weather, or planting the succulent in the soil … Native to South Africa…. As the disease evolves, the spots marry and grow black, small protrudings which represent the fungus’ fruition. Remove infected plant areas, avoid overhead watering and prevent further spreading by applying a Bordeaux mix, a mixture of hydrated lime, sulfur and copper. Succulents with viral infection may have new growth that appears abnormal or stunted. It can’t give huge damage, but if a succulent is infected by this kind of fungus it can transfer the infection to another succulent and might affect all the succulents. Also known as Botrytis cinere a, this infection is easy to identify. How to Get Rid of Aloe Mites (Aloe Cancer). These conditions include over-watering, etiolation, desiccation, sunburn and pot-bound roots. All rights reserved. The cacti or succulent will turn white or brown on the side facing the sun. Gray mold (Botrytis cinerea), also known as botrytis blight, is easy to identify by its … Powdery mildew is a Like humans, succulents can have nutritional deficiencies. Fungi pose a large threat to succulents in cool temperatures with high humidity. Grey Mold. Small spots, usually one-fourth inches or more in diameter, appear first. .

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