1、 Scale insects

Scale insects harm its leaves, pseudobulbs and leaf sheaths. When the pest is serious, the whole leaf will turn yellow and wither. Most of them are caused by poor ventilation environment, lack of light or high humidity. After discovery, you can use a brush dipped in water to brush off the insect eggs, or directly cut off the pest parts and burn them. If there are many pests, spray the quick release emulsion as soon as possible, once every 7-10 days, and it can be effective for three consecutive times

2、 Aphid

Aphids are also one of its common pests. They mainly harm young leaves and cause leaf and flower ear deformation. The juice secreted by pests will also attract ants, which is easy to cause diseases over time. To spray Omethoate and pyrethrin as soon as possible, spray the two drugs in turn, so the effect will be better

3、 Whitefly

Whiteflies are generally concentrated on blue plants. In severe cases, the whole leaf blade and leaf sheath will be covered. This pest has a strong reproductive ability. It should be treated after being found to avoid the deterioration of the pest phenomenon. It is recommended to spray marathon emulsion or quick release emulsion once every 7-10 days, at least three times in a row

4、 Precautions

No matter what kind of insect pest it is, it is necessary to change the maintenance methods and strengthen management after spraying treatment, otherwise it will be infected in the later stage. Put the plants in a ventilated place and strengthen ventilation. Watering should be reduced. It must not provide a muggy and high humidity environment