1、 Disease

1. Rot disease: crab claw is not easy to be infected with diseases and pests, but it will have problems if it is not maintained properly. If it is infected with rot disease, it will lead to the rot of the three edged sword. There are many reasons for the disease. It will also be caused by not paying attention to soaking in water during maintenance. In case of decay, prepare a disinfection knife to cut off the rotten place, and then spray carbendazim solution for disinfection

2. Anthrax: this disease will mainly harm the stem and node, affect the normal growth and reduce the aesthetics. Before planting, we need to take precautions, prepare potassium permanganate solution in advance, soak the plants for about an hour, and spray drugs such as tanfumei wettable powder in time after the disease

3. Botrytis cinerea: after the crab claw orchid is accidentally infected with Botrytis cinerea, it will harm the flowers, stems and leaves, resulting in water stain like decay. After the disease is found, the part of the disease shall be cut off in time, and chlorhydantoin wettable powder shall be sprayed every few days, which needs to be sprayed continuously for 3-4 times

4. Other diseases: in addition to the above diseases, it may also be infected with leaf blight, root rot, leaf spot, etc

2、 Pest

1. Scale insects: the possibility of infection in terms of insect pests is also small, and it is not easy to be infected. The presence of scale insects will harm leafy stems and flower buds. Spray imithion emulsifiable concentrate and Omethoate continuously for 3-4 times

2. Aphid: it mainly endangers flower buds and young leaves. It can be sprayed with dimethoate emulsion and quick killing

3. Starscream: pests will absorb juice, leading to weak growth. Ventilation can be strengthened, and dipterex and fenpropathrin emulsion can be sprayed continuously for 3-4 times