Pest and disease control of Phoenix bamboo

Disease: Leaf spot

Main symptoms

The disease mainly affects the leaves of the plant. In the early stage, multiple small yellow dots will appear on the surface of the leaves. These small dots will slowly expand until they are all connected together. At this time, the leaves are almost in a necrotic state. The disease usually first occurs on the edges or tips of leaves. The disease occurs between May and November, especially when the temperature is high and there is more rain. This disease can also be spread by rainwater, expanding the area of ​​damage.

Prevention and treatment methods

Try to avoid direct sunlight during the plant growth stage, and move it indoors during the rainy season. When the temperature is high, cool it down. In the daily care process, fertilizer should be applied reasonably and not blindly. When the disease is found, it can be sprayed with medicine.

Pests: White-tailed mealybug

Onset period

This pest mainly occurs in the south, especially in Shanghai. It can occur up to three times a year, the first time in March, the second and third times in June to July. This pest can last until November. When the weather is cold, the pest can overwinter in the soil until March of the following year.

Prevention and treatment methods

In early spring, you can spray with medicine to prevent the occurrence of pests in advance; when pruning plants in winter, you must cut off all the leaves that are diseased and insect-infested, and then clean them up. At the same time, you can deep-turn the soil appropriately, being careful not to damage the roots of the plants. This reduces the chances of pests overwintering in the soil.