1、 Aphid
Aphids do great harm to cinnabar roots. They mainly suck the juice of plant leaves, stems, buds and other parts. Over time, they will turn yellow and curl the leaves, and even cause leaf loss. This kind of insect is more common in airless and dark environments p>
Control method: when the number of aphids is relatively small, they can be removed manually. Brush them off with suitable tools such as toothbrush and stay away from the plant. When pests are serious, it is recommended to spray Omethoate once every 7-10 days p>
2、 Moth pests (Spodoptera exigua / Spodoptera litura)
Moth pests generally include Spodoptera exigua and Spodoptera litura, which will always harm the leaves of the plant. It will eat the leaves, resulting in only leaf veins on the leaves, which will seriously affect the ornamental. When the plant is placed in a high-temperature, humid, muggy and airless environment, it is more prone to such pests p>
Control method: after discovery, the diseased leaves should be removed as soon as possible, collected and burned, so as to avoid other healthy leaves from being infringed. At the same time, it shall be sprayed with yitaibao and Kuaishaling, and prevention and control shall be carried out as soon as possible without delay p>