Root is very important for any plant. The root system is not good, and the winter jujube seedlings will have problems in absorbing nutrients. Someone has to ask, what is the way to see the roots buried under the ground?   Generally speaking, the roots of the winter jujube seedlings or the seedlings will follow the lesions. Generally, in the early stage, there will be a rounded tumor on the root. It is white or khaki at first. As the lesion is aggravated, it will turn brown and the texture is very soft. In the later stage, it will cause the shape of the winter jujube seedling. The change.  This is a kind of difficult to treat in the jujube seedlings. The saplings that have acquired this disease tend to have a low survival rate, and even if they live in front of them, their development is very poor, and the results are few. They can't die, but they are in a bad state!  This disease is actually preventable. Usually, we need to strengthen the management of winter jujube seedlings. If found, sterilizing agents can be used to treat diseased seedlings. Also pay attention when selecting seedlings, find the lesions, pick them out in time, incinerate them.