what are the white dots on my plants?
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Powdery mildew is a fungal disease. ... Signs of the disease first appear as small, white spots that quickly grow and merge. Entire leaves may be covered with the thin, white layer of fungus, which may be mistaken for dust. Unlike dust, however, simply wiping off the substance is not enough to help an affected plant.
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If you notice fuzzy white patches on orchid foliage, you probably have a mealybug infestation. These pests are almost too small to spot with the naked eye; they're typically less than 1/5 inch long, with waxy secretions and a whitish coloring.
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The white spots on basil leaves may be the sign of powdery mildew. If the white spots are fuzzy, then it is powdery mildew. Powdery mildew can be the cause of fungus that develops in hot and humid or cold weather.
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Answer. This is mysterious. Most fungal diseases found on hydrangeas cause leaf spotting on the foliage rather than the stems, so I suspect that the white spots could be the eggs of a sap-sucking scale insect called Pulvinaria hydrangeae, or hydrangea scale. This limpet-like insect also feeds on acers and cherries.
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The white spots are benign and are thought to be caused by sun exposure, which kills melanocyte cells in the skin. No treatment is usually needed, but preventative measures to block against sun damage should be taken.
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When white spots are caused by entrapped keratin, it's called primary milia. However, these tiny white cysts can also form on skin as the result of a burn, sun damage, or poison ivy.
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The actual cause of the white spots on jade leaves might be powdery mildew, or even a condition where the plant stores salts and “sweats” the excess out through its leaves. One cause has a quick fix and the other requires some cultural adjustment and treatment.
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White power on your pothos is most likely powdery mildew, a common fungal disease of many plants. As its common name suggests, it appears as a white, powdery substance covering the leaves. ... Apply a natural, organic, foliar-spray fungicide to the plant at an interval of once per week.
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Powdery mildew is a very common disease that affects many plant types. This white coating over leaves spreads quickly and causes them to shrivel and fall off. At first glance, it may look like the leaves are covered in talcum powder, but it is actually a fungal infection.
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Powdery mildew on houseplants is a fungal disease. Initially, it produces circular powdery white spots on the foliage of plants. As the disease spreads, the entire plant material can be affected with the fluffy white fungus. Over time parts of the plant will succumb to the disease and die.
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Pepper leaves turning white is an indication of powdery mildew, a common fungal disease that can afflict nearly every kind of plant under the sun. Powdery mildew on pepper plants can be severe during the warm days of summer, and can significantly affect quality and yield at harvest time.
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Mildew. White spots on roses are often caused by powdery mildew, a fungus disease that affects the surface of leaves. The white mildew is spread by the wind and develops during humid periods, according to the University of Illinois Extension website. Mildew is reduced with water, sanitation, fungicide spray and pruning ...
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If you have white mold on your succulent, you're more likely dealing with powdery mildew -- a common houseplant ailment that's easy to treat. It looks like a white, powdery mold and can live on both stems and fleshy leaves of succulents.
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Jasmine leaves turning white can be caused by other things too. ... If the spots look powdery, the white spots on jasmine leaves could be powdery mildew or powdery mold. Control these conditions by using an appropriate fungicide spray and repeating every two weeks until you have done three sprayings.
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Share on Pinterest Tinea versicolor, or pityriasis versicolor, causes white patches on the skin. Sunspots are white spots where skin pigment has been lost. These spots usually cause no symptoms, are 1–3 millimeters (mm) in size, and tend to appear first on the legs before progressing to the arms, upper back, and face.
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The white patches you describe could be a sign of athlete's foot. Athlete's foot is a bacterial infection that can be easily treated with a cream or powders available from a chemist or pharmacy.
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Both usually affect only the leaves, but downy mildew can be identified from the fungal layer on the underside of leaf, that develops in moist weather and is accompanied by leaf spots on the top of the leaf. Powdery mildew causes white, powdery, fungal growth in the absence of any leaf spotting.