How to treat jujube madness?

At the beginning of the disease, drill holes in the roots of diseased trees. In the germination period of jujube trees in spring, each diseased tree is dripped with 500 ml of 0. 1% tetracycline solution, or sprayed with 0.2% ferric chloride solution for 2-3 times per mu every 5-7 days, with 75-1 00 kg of liquid medicine each time.

Remove diseased plants: cut off diseased branches and eliminate pathogens. Clean the roots, if there are rhizosphere bacteria, kill them with glyphosate. Before the juice flows back to the roots, only slightly diseased trees with branchlets will be cut off or girdled from the base of the big branches;

The local jujube witches' broom disease can be basically controlled by preventing fungal pathogens from losing nutrients with trees for 2-3 years. In jujube orchard without jujube witches' broom, scions, grafting or root splitting were used to breed disease-free seedlings.

Popular law:

When a plant just starts to get sick, it usually starts with one or several big branches and big tillers, or the whole plant starts to get sick at the same time, and the symptoms often range from local to all. Young trees can die for 1-2 years, big trees can die for 3-4 years, and some can last for about 5 years.

Jujube witches' broom can be spread by grafting, root splitting, bud grafting and branch grafting. If one side of the scion or rootstock is sick, the grafted plant will also get sick. The incubation period after grafting is related to the grafting site, time and tree age. The shortest incubation period is 25-3 1 day, and the longest incubation period exceeds 1 year.

Young trees get sick faster than big trees. After the pathogen invades, it is transported to the roots first, and then propagated to the crown from bottom to top. The direction in which the pathogen moves in the host is the same as that of the tree, from top to bottom when it germinates, and in the opposite direction when the branches and leaves stop growing.

Refer to the above? Baidu encyclopedia-jujube madness