The main pests and diseases that are barked by this method are jujube red spider, nailworm, jujube turtle wax, jujube meal, red-rimmed beetle, ring disease and anthracnose. The time to scrape the bark is better when the spring temperature starts to rise but it is still lower. When scraping the bark, the main skin and the rough skin and the skin on the main branch are scraped off. The scraping is too light to function. The scraping is too heavy to easily affect and destroy the xylem and the formation of the tree. It is advisable to use whitening, and it is important to bring all the scraped skins out of the garden or to destroy them centrally.
Picking up the pests and diseases, and destroying the bad dates left on the ground are mostly diseased dates, which contain a large number of pests (eggs) and germs. The fallen leaves on the ground are also pests and diseases (jujube rust, etc.). In the autumn, these pests and diseases and pests should be removed in time in the spring, and they should be taken out of the ground for destruction to prevent the infection of bacteria or eggs.
Spraying the medicinal plant before spraying the sulphur sulphur mixture to eliminate some of the pests and pathogens in the winter; spraying 30% Long Deng Fu Suspension 400-600 times liquid, or 77% Daning WP 300-400 times liquid, or 60% Tongjia WP 300-400 times liquid, adding 20% ​​fast 1000 times liquid, eradicating the overwintering bacteria and wintering pests of the tree, the effect is better.
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