What if the leaves of white orchids turn black and fall?

White orchid is a relatively tall tree, and evergreen all the year round, the tree is very tall and strong. This kind of rough-looking plant has blossoming slender, white, beautiful flowers, and has a fragrant smell, giving people the feeling that it is very relaxed and happy. But Magnolia is prone to a bad problem, that is, the leaves turn black and fall. Today, I will talk to you about how to deal with it.

Chlorosis

If you want to prevent the falling leaves of white orchids, you must first understand the reason. In fact, it is not difficult to find that this situation must be something wrong with plant management, one of the main reasons is that the leaves may be infected with chlorosis. Symptoms of the disease show that the newly drawn buds at the top of the branches lose their proper green, and then gradually show a top-down trend, slowly extending below. If no timely measures are taken, the veins of the leaves will turn yellow, zoom, and finally fall.

In this case, some ferrous sulfate can be properly added to the plant, which can be applied to the soil, or a small ferrous sulfate particle can be buried in the lower cortex of the plant and wrapped with plastic film. it can also be sprayed with water to spread to the diseased leaves, which can be cured after repeated operation for a few cycles.

Anthrax

The greatest harm of anthracnose is to attack the leaves of Magnolia. At the initial stage, it mainly shows that the surface of the leaves is a faded dot at first, then gradually expands, and later develops to occupy the size of half or even the whole leaf, with scorched edges and blackened edges, and then intensifies the fall. The best way is to use anthrax Fumei this drug, proportional to the water spray in the affected area, can improve the situation.

Improper maintenance

In addition to the above two main reasons, in fact, and our daily maintenance is not correct, but also has a very deep involvement, so, the editor here to remind you, we must pay attention to scientific and reasonable maintenance.