Identification and Control of Common Pests of Clivia

The common pest of Clivia is the scale insect. When an infestation occurs, scale insects often gather on the tender tips of the leaves, suck the leaf sap, and secrete large amounts of pathogens, turning the stems and leaves moldy black, causing sooty mold and making the leaves wither. This insect has strong reproductive capacity and can produce multiple generations in a year; a single female adult can often produce hundreds of offspring. If control measures are not taken promptly, it can cause death.

Control method: Prevention should be the priority. Usually, you should frequently inspect the plant, and when pests are found, remove and treat them early to prevent spread. For controlling scale insects, both manual and chemical methods can be used together. If pests are found on only 1 or 2 leaf tips, they can be scraped off manually, using a sharpened thin wooden stick or a bamboo pick to remove the insect bodies. If large numbers of nymphs appear, you can spray with a 1000-fold dilution of 25% phosmet emulsion, or use 40% omethoate emulsion plus 1000-1500 times water to make a solution and spray it. Generally, spraying 1-2 times can kill them.

In addition, note that: earthworms can also become pests of Clivia. When the Clivia plant is young, its fleshy roots are very tender and weak. If there are earthworms in the potting soil, they often burrow around randomly, injuring the tender roots, disrupting the Clivia's ability to absorb nutrients, causing the plant to stop growing and developing or causing root rot. The control method is: frequently check whether there are round soil granules on the surface of the potting soil (that is, earthworm excrement). If found, immediately use 50% dichlorvos emulsion plus 1500-2000 times water to make a solution and pour it on. If earthworms are seen wriggling out after watering, remove them immediately; after one week, do the same once more, and the earthworms can be completely eliminated.