The prevention and cure of the ash of tea tree

Camellia oleifera, also known as "corner wax," is an important pest on the tea tree in our county, especially in the tea plantation below 700 meters above sea level. Camellia striata occurs once a year in our county, wintering in the tea garden with young nymphs; wintering nymphs begin to move in March and April; female adults in July and August spawning nymphs after being mature, and continuing to harm the tea tree branches. However, the use of tea sap absorbs the growth of the plants and causes the branches and leaves to dry out, which seriously damages the tea production.

The proper period of prevention and control of the tea tree ash in the county is concentrated from late July to late August. The tea farmers in different parts of the county must carefully control the tea tree ash to ensure the normal growth of the tea. Any of the following recommended low toxicity and high potency agents can be used for prevention and treatment.

1. Use 10% imidacloprid WP 1000 times (safety interval 7 days) and evenly spray water;

2, Mu with 3% acetamiprid EC 2000 times (safety interval 7 days), evenly sprayed with water.

The above medicaments are preferably sprayed by a motorized or electric sprayer, so that the effect is better; when spraying, the middle and lower branches of tea plants are mainly sprayed. After spraying at 4 o'clock in the sunny afternoon or on cloudy days, if there is rain within 4 hours after spraying, it should be replenished with clear clearance or rain clearance to ensure the control effect.

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