How to sterilize black orchid

How to sterilize black orchid

1. Root sterilization

Before planting the newly bought Mo Lan, you need to sterilize its roots. You can use sterilization spirit, prepare the sterilization solution according to the instructions in the instructions, and then soak its roots in the sterilization solution for half an hour. After that, let it dry and you can put it in the pot.

2. Pathological sterilization

1. White rot: After being infected with white rot, white mycelium will appear on the plant and the soil. If not treated in time, the plant will die. When handling, first clean up the soil containing mycelium, then remove the plant from the pot, cut off the rotten part, and then replant it. After planting, mix the corresponding agent with water and spray it on the plants and soil to sterilize them.

2. Black spot disease: After being infected with black spot disease, large and small black spots will appear on the plant body. This situation often occurs in the rainy season. Black spot disease is most likely to cause new shoots to fall off, and in severe cases, it can cause the entire plant to die. To treat this condition, simply cut off the infected area and then spray it with a fungicidal spray.

3. Sterilization and insect prevention

Its branches and leaves are very tender, easily attacked by pests and easily infected by pathogens. In order to prevent this situation from happening, it is necessary to sterilize it during the period from April to the beginning of winter. It is best to spray it with a low concentration of medicine once a month. In order to prevent the plant from developing drug resistance, different types of medicine should be used interchangeably, and not just the same type.

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