How to control the wintering diseases and pests of trees
1. Completely clean the garden. After defoliating trees, it is necessary to conduct a thorough cleaning of the garden. The dead branches, diseased branches, fallen leaves, weeds, fruit drop, rotten fruit, etc. in the garden are collectively removed from the orchard for burning. Careful removal of diseased shoots, dead shoots, stale fruit, and branches with worms in fruit trees during wintertime will clear the habitat of overwintered pests. 2. The park is deeply turned. Deep plowing can not only improve soil physical and chemical properties, increase soil fertility, but also can turn over winter pests hidden in the soil, freeze to death or be eaten by birds. 3, trees scraping skin. The diseased skin or old skin was scraped off. The weak trees were scratched and Wangshu was heavily scraped. Scrape should be clean and thorough, the depth should be appropriate, not to whiteness. In the process of scraping the diseased skin, a large plastic sheet is placed under the tree, and the diseased skin is collected, buried or burned. 4, spraying agent. 45% crystal lime sulfur was sprayed on the whole body of the trees to kill pathogens and eggs remaining on the trees and under the trees, so as to reduce the overwintering base number of the diseases and insects. Food Additive,Common Food Additives,Natural Food Additives,Food Additives And Preservatives Guangzhou ZIO Chemical Co.,Ltd. , https://www.ziofoodchemical.com