In the management of tea plants, we often see that the tea tree ash borer, also known as the "horn wax borer", is an important pest of the tea tree, especially in the tea garden below 700 meters above sea level, it is more likely to occur more heavily. So how to control tea plant ash beetles? Today, I will introduce the control method of tea plant ash beetle.
Harmful characteristics of tea plant ash beetle
Tea tree ash bug occurs once a year, with young nymphs overwintering in the tea garden; wintering nymphs in March and April began to be active; in July and August, the female adult insects lay eggs and hatched nymphs, continued to harm the branches of tea trees, lightly sucked the sap of tea trees, so that the growth of plants was blocked, heavy branches and leaves dried up, bringing serious harm to tea production Tea farmers everywhere should seriously do a good job in the prevention and control of tea plant ash beetles according to the actual situation of their own tea gardens, to ensure the normal growth of tea leaves.
Control methods of tea plant ash borer
1, mu with 10% imidacloprid wettable powder 1000 times liquid (safety interval of 7 days), mixed with water evenly sprayed;
2, mu with 3% acetamidine emulsion 2000 times liquid (safety interval of 7 days), mixed with water evenly sprayed.
Special reminder: it is best to use a motorized or electric sprayer spray, the effect is better; when spraying, focus on spraying the middle and lower branches of the tea plant. Spray after 4 o'clock in the afternoon on a sunny day or on a cloudy day, if there is rain within 4 hours after spraying, you should grab the timely supplementary application between sunny or rainy stops to ensure the prevention and control effect.