Method for preventing and controlling insect damage in grapefruit tree planting
A pest control method and grapefruit tree technology, which can be applied in application, cultivation, agriculture and other directions, can solve problems such as inability to completely control pests, and achieve the effect of improving efficiency and improving spawning position.
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Embodiment 1
[0014] 1) Trichlorfon mixed with soil: mix 40g of trichlorfon with the surface soil, cultivate it at the base of the trunk 5cm, and then cultivate the soil in a conical shape with a height of 20cm and a radius of 30cm at the bottom;
[0015] 2) After the beetle lays eggs, manually scrape off the eggs and kill the larvae;
[0016] 3) 30 days before the harvest of Huajuhong, inject 1.5mL imidacloprid liquid per centimeter trunk diameter.
Embodiment 2
[0018] 1) Trichlorfon mixed with soil: mix 50g of trichlorfon with the surface soil, cultivate it at the base of the trunk 5cm, and then cultivate the soil in a conical shape with a height of 20cm and a radius of 30cm at the bottom;
[0019] 2) After the beetle lays eggs, manually scrape off the eggs and kill the larvae;
[0020] 3) 30 days before the harvest of Huajuhong, inject 1.5mL imidacloprid liquid per centimeter trunk diameter.
Embodiment 3
[0022] 1) Trichlorfon mixed with soil: mix 60g of trichlorfon with the topsoil, cultivate it at the base of the trunk 5cm, and then cultivate the soil in a conical shape with a height of 20cm and a radius of 30cm at the bottom;
[0023] 2) After the beetle lays eggs, manually scrape off the eggs and kill the larvae;
[0024] 3) 30 days before the harvest of Huajuhong, inject 1.5mL imidacloprid liquid per centimeter trunk diameter.
[0025] By cultivating soil or mixing medicine to cultivate soil, the spawning position of pests can be significantly improved and the eggs can be relatively concentrated, which reduces the difficulty of manually scraping eggs and killing larvae, and improves the control efficiency at the same time.
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