The average strain damage rate of Osmanthus fragrans was 81.3%, ranged from 64 to 100%, and the occurrence of damage was more common, but the severity difference was greater. There are generally 10-30 species of spider mites, up to 74. The crickets are harmed by sap, such as larvae, razor clams, pods, twigs, flower buds and other sap. The victim’s site showed grayish white spots and the leaves were dull, causing fallen leaves, fallen flowers, and twigs to die, seriously affecting plant growth and viewing. Prevention and control opinions: As individuals of Osmanthus fragrans are very small and breed quickly, they are difficult to appear in time, and they can easily cause loss of control. Therefore, all localities must strengthen field inspections and do a good job of chemical control. Pesticides can be selected from 1% exteromestine oil 3000-5000 times or 12.5% ​​fruit good step emulsion 3000-4000 times liquid or 30% rest wettable powder 3000-3500 times or 20% broom net WP 3000- 4000 times liquid and other sprays, once every 7 days, and sprayed 2-3 times, require that the front and back sides of the blade be evenly sprayed to ensure the control effect. The above pesticides should be alternately used to avoid drug resistance.
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