Precautions for jujube clearing in spring

The main pests and diseases that can be controlled by scraping bark are red spider spiders, beetles, leucocephalus jujubes, mealybugs, red beetles, ring spot disease and anthracnose. It is better to scrape the bark when the temperature starts to rise in spring but is still low. When scraping the bark, it is mainly to scrape off the rough bark and warped bark on the main trunk and main branches. Shaving too lightly will not be effective, and scraping too hard will easily affect and destroy the xylem and cambium of the tree. Generally speaking, the trunk is not It is advisable to be exposed to the white, and remember to take all the scraped skins out of the garden or destroy them.

Picking up pests and fruits, and intensively destroying the bad dates left on the ground are mostly pest dates, which contain a large number of pests (eggs) and germs. The fallen leaves on the ground are also diseased leaves (jujube rust, etc.). Those that are not picked up in autumn should be cleaned up in time in spring, and taken out of the ground for centralized destruction to prevent re-infestation of pathogens or eggs.

Spraying the lime sulfur mixture before the germination of the jujube tree can eliminate some of the pests and germs that overwinter; spraying 30% Longdeng Fulian Suspension Concentrate 400~600 times liquid, or 77% Duoning WP 300~400 times liquid, or 60% Tongjia wettable powder is 300~400 times liquid, and 20% Kuailing 1000 times liquid is added at the same time to eradicate the overwintering fungus source and overwintering pests of the tree, and the effect is better.

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