1、 Common diseases

1. Anthrax: if it is provided with a high humidity and poorly ventilated environment during maintenance, it is easy to be infected with anthrax. The disease will seriously endanger the growth of leaves. Strengthen ventilation and change the maintenance environment. And spray drugs for treatment. The drug can be substituted for zinc manganese

2. Botrytis cinerea: it is afraid of low temperature environment. If the temperature is too low and the environment is humid, it is easy to be infected with Botrytis cinerea. The flowers will be vulnerable and fall in serious cases. Cut off the diseased flowers in time and spray sukeling for treatment. Spray once every ten days and use it two or three times

3. Brown spot disease: brown spot disease usually occurs in high temperature and high humidity environment, mostly endangering leaves. There will be some spots on the leaves. After discovery, management should be strengthened and polyantimycin should be sprayed

2、 Common pests

1. Scale insects: scale insects are mostly parasitic on leaves and pseudobulbs, which will lead to yellowing and falling of leaves. Poor ventilation due to high humidity. After discovery, you can use a brush dipped in water to brush it off. If there are many pests, you can spray quick pine emulsion once every seven to ten days for three consecutive times

2. Bemisia tabaci: Bemisia tabaci is mainly on leaves, leaf sheaths and pseudobulbs, which will cause leaves to dry and fall. After discovery, the maintenance environment should be changed, and the quick pine emulsion should be sprayed to completely eliminate it, otherwise the reproduction ability of pests is very strong and the harm is serious