In the cultivation of Zhu LAN, to say the common diseases, that is generally referred to as black spot.
Black spot is a very common disease of Zhu LAN. It usually has a very bad effect on the leaves. Black spots appear on the leaves, which will seriously affect the growth of plants, even death.
Therefore, when black spot disease occurs here, it should be prevented and treated in time. Generally, it can be sprayed with 1000 times of 70% methyltobujin wettable powder.
Breeding Zhulan or, more common pest harm is root knot nematode harm.
Generally, root knot nematodes harm the roots of plants. They often exist in the soil. It may be that the soil is not well disinfected, resulting in eggs.
So when choosing basin soil, we should disinfect it in advance. When disease happens, we should pay attention to it. We can use 3% vedantan granules to control pests. Generally, we can put it directly into the soil.