It’s pretty easy, just… don’t water your plants for a bit. Lesions on cacti may present in many different ways. These grubs bore into the stems and feed on the plant roots. Penguin. Scale insects can be controlled the same way as mealybugs and aphids. Be careful when applying baking soda to your succulents, as repeated exposure can burn leaves. If the damage isn't severe, a fungicide spray can usually help. (6) “Aloe Mite”. Looking at the pot contents will reveal wriggling white larvae in the soil. A landscape horticulturist by profession, she has been designing, installing, and maintaining various landscapes and gardens for residential and commercial use. Red spider mites do not like humidity and can be easily eradicated by washing the plant, however, succulents are also not a fan of being wet so be careful not to soak your succulents. The cacti most frequently plagued by fungal lesions are Opuntias. (4) Singh D., Davidson J. Again, sterilize your cutting implement and remove more tissue than appears to be affected to ensure all the pathogen is removed. It looks like a white, powdery mold and can live on both stems and fleshy leaves of succulents. Leaf Spots. They are very stealthy, hiding under the leaves and can only be identified when the plant is disturbed. As an Amazon Associate we earn from qualifying purchases (at no extra cost to you). These insects are covered with a scale armor that protects it from predators and pesticides. Use a sterile knife to take the cutting and dust it with sulfur to kill any possible adhering spores. Once diagnosed, eradication should be done immediately using soil drench treatments or you could just simply squish them (3). (3) Charles G. “Cacti and Succulents: An illustrated guide to the plants and their cultivation”. Since the damage done by eriophyid mites is irreversible, the best way to control infestation is to dispose of the infested plant so the mites will not spread to other plants. Dishwashing Soap. Dish Soap Spray. The fleshy leaves of a succulent plant mean water-filled, nutrient-rich cells, the very thing that attracts these pesky little insects or fungus such as white fuzzy mold. Controlling cultural conditions with plenty of heat, under stem watering, sterile potting medium, and ventilation will halt many fungal outbreaks. Timber Press. Cool Springs Press. Further Reading: Help! Another way to save a plant is to cut out the infected tissue. Fungus spots on cactus pads are more prevalent in the springtime. 2017. (5) Baldwin D. “Designing with Succulents”. A few fungi types damage the roots and eventually, the whole plant, so once their visual damage is seen, it is too late for the plant. Remove any leaves that have become infected. Aphid infestation can be controlled simply by washing the infested plants or rubbing using a cotton swab dipped in alcohol. 2014. PP 55-63. She is passionate about creating sustainable green spaces in the city and writing about interesting flowering plants of the world. Cassidy Tuttle 2020-06-10T10:38:56-07:00. To eliminate Sooty Mold, the insect infestation must be eliminated. Western flower thrips have a short life cycle which means they can easily damage a whole succulent collection in favorable conditions. If you overwater your cactus many times (especially need to be careful in cold weather and winter), it will start rotting. These pesky insects can be controlled using insecticides or through biological control but often as a last resort. Article on succulent propagation pest infestation in succulents environment by … white Mold in succulents can become very damaging eventually. They will surely make a home out of the leaves and stem, some mealybugs prefer to attack roots! 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