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That’s powdery mildew, a fungus that affects a wide range of fruits, vegetables and flowers, coating their leaves, stems, blossoms and, in severe cases, entire plants. It isn’t pretty.
Cut succulent stems should heal over in a few days and eventually produce new growth as long as your plant receives the light, water, and care it requires. Step 6: Propagate Broken Stems and Leaves
Powdery mildew is a fungal disease that affects a wide range of plants. Powdery mildew diseases are caused by many different species of ascomycete fungi in the order Erysiphales . Powdery mildew is one of the easier plant diseases to identify, as the signs of the causal pathogen are quite distinctive.
Cotyledon orbiculata is an extremely variable species, one that grows to approximately 1.3 m (4.3 ft) in height. [1] It has gray-green leaves (up to 13 by 7 cm (5.1 by 2.8 in)), which naturally develop a white, powdery substance (known as farina) on their surfaces; this farina helps reflect sunlight and conserve water.
Many species of the genus Primula and ferns, such as Cheilanthes, Pityrogramma and Notholaena, as well as many genera of Crassulaceae succulent plants, produce a mealy, whitish to pale-yellow glandular secretion known as farina that is not an epicuticular wax, but consists largely of crystals of a different class of polyphenolic compounds known as flavonoids. [5]
Jade plants (Crassula ovata) are beautiful succulents coveted for their arboreal and plump, glossy leaves. In order for this beautiful plant to shine in all its natural glory, though, it’s ...
Sclerotinia sclerotiorum is a plant pathogenic fungus and can cause a disease called white mold if conditions are conducive. S. sclerotiorum can also be known as cottony rot, watery soft rot, stem rot, drop, crown rot and blossom blight. A key characteristic of this pathogen is its ability to produce black resting structures known as sclerotia ...
Dudleya anthonyi is a relatively large rosette-forming succulent and is characterized by its leaves and inflorescences that are coated in a white, chalky powder. It is quite similar to its close relative, the widespread Dudleya pulverulenta , but Dudleya anthonyi is distinguished by its narrower and acute basal leaves and bracts , along with ...