Disease and Pest Control of Dendrobium officinale

Disease: Black spot

When this disease occurs, it mainly manifests itself on the leaves, and the onset of the disease is approximately between March and May. When the disease occurs, dark spots will appear on the surface of the leaves. These small spots will slowly expand over time. If not treated in time, the entire leaf will be covered by these spots and fall off.

Prevention and control methods: When the disease occurs, you can use medicinal spray to prevent it from spreading. When the disease is about to occur, you can use drugs to prevent it.

Disease: Anthracnose

The disease mainly manifests itself on leaves and branches. When the disease occurs, black spots will appear on the surface of the leaves, and the disease occurs approximately from January to May.

Prevention and control methods: spray with medicine.

Disease: Soot stain

The disease is as its name suggests. When it occurs, the leaves of the entire plant will be covered with a layer similar to soot, which prevents sunlight from directly contacting the leaves, making it impossible for the plant to photosynthesize, and thus preventing the plant from growing normally. The main period of disease onset is from March to May.

Prevention and control methods: spray with medicine.

Pest: Philippine shield scale

This pest survives by sucking the sap of the plant. If it is not controlled in time, the whole plant will die due to water loss over a long period of time, and sometimes other diseases will be caused. The pest started to occur in May.

Prevention and control methods: If discovered early, all branches and leaves infested by insects can be cut off. If the situation is serious, spray with drugs.

Pests: Snails

It should be common for friends to know that it causes diseases. It can be found in many vegetables. It mainly feeds on plants to survive and has no fixed time of occurrence. The most important thing is that it is very harmful.

Prevention and control methods: You can use bait to lure and kill the insects, and also spray them with medicine. During daily maintenance, be sure to keep the plants clean and tidy.