What should I do if yellow orchid has insects?

1. Causes of worms

If the environment is not suitable or the method is inappropriate during maintenance, it will easily cause various insect pests. Once the disease occurs, it will affect the growth and appearance of the plant, and it is necessary to spray pesticides to control it. Of course, different pesticides are sprayed for different diseases and pests, and the appropriate pesticides should be selected according to the specific pests.

2. Solutions to various diseases and pests

1. Scale insects: Scale insects are the most common insect pests. Once they occur, they will affect the leaves and fruits, causing the leaves to turn yellow. If not treated in time, the entire plant will slowly wither. 1000 times diluted 255 phosmet should be sprayed as soon as possible.

2. Red spider mites: Red spider mites are small in size and difficult to detect. It will suck the juice in the leaves, causing the leaves to turn yellow, and in severe cases, fall off and wither. When the disease is discovered, the diseased leaves should be removed in time. If a large area is affected, spray 1500 times diluted 40% dimethoate emulsifiable concentrate to eliminate it.

3. Chlorosis: This type of disease mainly occurs on the leaves, causing the leaves to turn yellow. If not treated in time, the leaves will fall off prematurely. When the disease breaks out, spray DDT to eliminate it. Spray it about once a week, and it will be cured after two or three times.

4. Anthracnose: This disease will cause spots to appear on the leaves of the plant, eventually causing the leaves to dry up and fall off. When the disease occurs, use 600-800 times diluted Guoguang Yintai wettable powder to eliminate it.