Four simple methods to solve the white spot disease of crab claw orchid.

Crab claw orchid has high ornamental value and is evergreen all year round. Whenever it blooms, look at that lovely flower bone, which is as big as a pepper; As small as a grain of rice. We often encounter many problems when cultivating crab claw orchid. For example, crab claw orchid white spot disease, when you encounter this disease, how to effectively solve it. Next, I will introduce the prevention and treatment methods of white spot disease of crab claw orchid.

Introduction to the harm of white spot disease 1. For the prevention and treatment of white spot disease of crab claw orchid, let's first understand the white spot disease. White spot disease is usually caused by leaves. In the early stage of the disease, nearly round to irregular spots can be seen in the middle or base of the tip of the crab claw orchid.

2. In the middle stage of the disease, the disease spots are constantly expanding, and purplish red or reddish brown spots can be seen on both sides of the leaf surface. In the later stage, the lesion was reddish brown or purplish red, which was obviously different from the healthy tissue of leaves.

3. The white spot disease of Crab claw orchid is most likely to occur at 22-28 degrees and 95% humidity. Especially in warm spring, indoor temperature and humidity, these environments are conducive to the expansion of white spot disease. The leaves of crab claw orchid are dry at the onset, which seriously affects its growth and appreciation.

Control methods of crab claw orchid 1 white spot disease. The control method of white spot disease of crab claw orchid should first choose sandy loam with deep soil layer and weak acid as cultivation substrate. Maintain soil permeability and porosity.

2. Do the basic work of watering and fertilization at ordinary times, and don't accumulate water to cause serious fertilizer damage. Pay attention to shade in summer, keep the ventilation environment, and take warm measures in winter.

3. In the early stage of white spot disease, if the situation is not serious, you can clean the leaves with alcohol. And remove the diseased crab claw leaves and spray some powder xiuning solution at the same time.

4, when the condition is serious, can use 25% benomyl? Cyclohexyl zinc EC 800 times or 50% thiophanate methyl? Spraying 800 times sulfur suspending agent solution until it is completely eliminated.

Conclusion: The above are the control methods of white spot disease of Crab claw orchid. How to carry out effective prevention and control, I believe everyone knows. When the flowers and plants cultivated by ourselves have diseases, they can be effectively solved.