What if the rich tree has long spots on its leaves?

1. Disease problem

(1) specific reason: there is mainly a disease that can cause this phenomenon, called "leaf spot disease". Friends who have raised plants must have heard of it. The disease is easy to distinguish. If at first there are some particularly dark spots on the leaves, then they slowly expand and infect other plants around them, then it is usually the disease.

(2) solution: first, of course, all the diseased leaves should be cut off and disposed of, and the scissors should be disinfected. After that, spray the liquid. Different conditions require different kinds of spraying. If the symptoms are mild, you can spray carbendazim. If the symptoms are very serious, then spray chlorothalonil, the rest will not work. Just spray it every half a month. Later maintenance should also be paid attention to. For example, don't make the environment too airtight and ventilated. In addition, you can't have too much water. Liquid fertilizer should be used once or twice a month to increase nutrients in the soil.

2. Environmental conservation

(1) specific reasons: specifically, the following three kinds exist at the same time or one of them is particularly serious. The first is that there is too much water; the second is that the light is too strong; the third is that the temperature is too low.

(2) solution: if you are not sure which one is wrong, first observe the surrounding environment, which link is wrong, and then adjust accordingly. In addition to this, but also pay attention not to tea, coffee, milk and so on in the soil, it is easy to breed diseases and insects.