Clivia with spots

Clivia with spots

Question: spots on the foliage of the clivias

good morning could you help me understand the disease of my clivia whose leaves tend to fill with yellow / brown spots and then dry out? What can be done? I've already cut them off the foot, but the new leaves have the same disease ...

Spotted Clivia: Answer: Clivia parasites

Dear Ivo,

the clivia is a herbaceous plant, with rhizomatous roots, native to South Africa; in the apartment, varieties of Clivia miniata are generally grown, a species that also in nature lives in areas characterized by low light, and therefore can bloom and develop without problems even indoors. Less known, but equally beautiful, clivia mirabilis, with pendulous tubular flowers.

These plants are easy to grow, but they often face particular attacks by parasites. Not knowing the extent and size of the spots on your foliage, I can tell you which parasites most commonly attack these plants and which can cause yellow spots. In summer and winter it happens very often that the leaves of clivia are attacked by the cochineal, which usually nestles under the leaves, or at the base, where they insert themselves in the tuft. In this case, you should notice small yellow spots, accompanied by the presence of insects, in the form of tiny stiff and greasy, or waxy, badges. In this case, treat the leaves with white oil, activated with a pyrethrum-based product. If the spots are large, and also cause necrosis of the leaves, i.e. the leaf page becomes brown and paper-like, then it is a fungal attack. The fungi that attack clivia are many, and they usually develop preferably when the soil in which the plant is grown is kept moist for a long time, with standing water. Consider that your plant, after flowering, has entered a period of semi-vegetative rest, during which its cultivation needs have decreased; during the summer and autumn months it is sufficient to water the clivias sporadically, and only when the soil is dry. To ensure that the fungus does not proliferate it is necessary to use a fungicide, to be sprayed on the foliage.

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