How to control scale insects on plum trees? Practical methods here
How to control scale insects on plum trees? Please introduce methods. Plum tree scale insect control methods: 1. Do a good job of winter pruning and orchard cleaning to reduce the population density the following year, and spray 5-degree lime sulfur mixture before bud break. 2. Trunk smearing method for control: ① Apply a 5-fold dilution of commercially available laundry detergent evenly to the infested trunk. ② Mix 5 parts commercially available kerosene, 1 part laundry detergent, and 6 parts water, and apply evenly to the infested trunk...
How to control scale insects on plum trees? Please introduce methods
Plum tree scale insect control methods:
1. Do a good job of winter pruning and orchard cleaning to reduce the population density the following year, and spray 5-degree lime sulfur mixture before bud break.
2. Trunk smearing method for control: ① Apply a 5-fold dilution of commercially available laundry detergent evenly to the infested trunk. ② Mix 5 parts commercially available kerosene, 1 part laundry detergent, and 6 parts water, and apply evenly to the infested trunk. ③ Mix 5 parts commercially available crude diesel oil, 1 part laundry detergent, and 6 parts water, and apply evenly to the infested trunk; all give very good control results.
3. Chemical control: Choose an insecticide for controlling scale insects, and carry out control promptly during the peak hatching period of the first-generation nymphs (in the Beijing area, control is generally carried out during the flowering period of black locust trees). Use 40% sujieke or supusha at a 1200-fold dilution.
4. Biological control: Do not spray chemical pesticides, and protect natural enemies such as the black-margined ladybird beetle (Chilocorus kuwanae) and the red-spotted ladybird beetle (Chilocorus rubidus) to suppress pest outbreaks.
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