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What are the control methods for the jujube gall midge?

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Also known as the jujube bud maggot, it damages the tender buds and young leaves of jujube trees. This pest occurs early, has many generations, and a long damage period, greatly affecting the development of nursery stock and young trees as well as the fruiting of mature trees, and is one of the major leaf pests of jujube trees. In North China, this pest has 5-7 generations per year, overwintering as mature larvae in cocoons in the soil; in April of the following year the adults emerge and lay eggs, with the peak damage period in early May. Control methods: 1. Ground spraying: spray the ground with 5% trichlorfon powder or 25% phoxim 1000x solution, combined with turning the orchard soil, to kill the overwintering

Also known as the jujube bud maggot, it damages the tender buds and young leaves of jujube trees. This pest occurs early, has many generations, and a long damage period, greatly affecting the development of nursery stock and young trees as well as the fruiting of mature trees, and is one of the major leaf pests of jujube trees. In North China, this pest has 5-7 generations per year, overwintering as mature larvae in cocoons in the soil; in April of the following year the adults emerge and lay eggs, with the peak damage period in early May.

Control methods:

1. Ground spraying: spray the ground with 5% trichlorfon powder or 25% phoxim 1000x solution, combined with turning the orchard soil, to kill the overwintering pests.

2. Canopy spraying: during larval occurrence or (when there is no fruit) spray "1605" 1500x, and during the fruiting period spray 40% omethoate 1000x, to kill the larvae.

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