Scale insects are important pests of flowers and trees. They often cluster on branches, leaves, and fruits and absorb plant sap for a living. In severe cases, they cause wilting of branches or death of whole plants. The secretions of scale insects can also induce coal pollution and cause great harm. First, the control object, suitable period: Object: Recurrence area, lots, flowers, and tree species of flowers, tree beetles, and flowers over the years. Appropriate period: In the young period before the formation of shell insect wax powder is not only a good effect and the amount of medication is less, you can save costs, generally only need to spray a drug can get a good effect of insecticide, kill eggs. The prevention and treatment proposal should be early ruled, and time should be controlled before May 5th. Second, the control of pharmaceuticals: At present, the ideal cocoon insecticide is chlorprophos (also known as rapid culling). The agent has strong permeability and can penetrate the leaf to penetrate the leaf back and kill the target pest. It has both adult and nymphs on the cocoon insects. Excellent control effect. Speed ​​culling applies to fruit trees, flowers and other crops, can control a variety of scale insects, and treat aphids, whiteflies and lepidopteran pests and other pests, residual period of 10-20 days. Chlorpyrifos is less effective than quick culling. Third, the use of concentration: Prevention of adults of scale insects: with 40% speed culling 800-1000 times liquid, control Ruoqiang with 40% speed culling 1000-1500 times liquid. Fourth, note: The first is to be thoughtful and uniform when spraying, and the whole tree can receive medicine evenly. The second is to pay attention to speed culling can not be mixed with alkaline pesticides to avoid spraying in the late flowering, so as not to cause injury, the use of concentration should not be arbitrarily increased, otherwise it will cause brown leaf spots. Disclaimer: Some articles in this website have been transferred from the Internet. If you are involved in third party legal rights, please inform this website. phone Auxiliary supplies for Livestock Reproduction Livestock Reproduction Auxiliary Product,Blue Insert Split-Non Sheath,Agriculture Artificial Insemination Catheter,Length Pvc Pe Tube Jinan Mucho Commercial Inc. , https://www.muchovet.com