What is the harm of shell insects to peach trees?

What is the harm of shell insects to peach trees? How to prevent and cure it? Netizens are also asked to help introduce the harm of shell insects to peach trees and their control methods, which are listed below for netizens' reference. The harm of shell insects to peach trees: the shell insects, also known as mulberry scale, are common and serious pests in peach trees, mainly with female adults and nymphs fixed on the trunk and branches with needles to suck sap, and when serious occurs, the whole tree branches are covered with shells, and the cortex of the damaged branches is easy to peel off, weaken the tree potential, or even wither the whole tree. The control methods of shell insects in peach trees: method 1. Control the shell insects in peach trees during the growing season. In the adult stage, the egg hatching can be effectively controlled by drying or brushing with 1 pommetil stone sulfur mixture twice. Method 2. When pink nymphs just appear in the branches of the shell, spray the branches and tree trunks with 1 Baomedo stone sulfur mixture twice, or use 30 times coal; spray 2 times 3 times by emulsion, or rotate spray with 1000 times of 30% powerful scale killing micro-wet granules and 40% poisonous silk EC for 4 times, with an interval of about 7 days, if you can use gauze to smear the branches and then spray, the effect is better. Click to get more pesticide application techniques