MySheen

Control methods of ginseng grub

Published: 2024-11-05 Author: mysheen
Last Updated: 2024/11/05, The grub is the larva of the big beetle. It is a gluttonous pest, which can endanger continuously. In general, the soil temperature of 10 cm in the surface layer of soil begins to move at 5 ℃ in spring, and the most suitable soil temperature is 13-18 ℃ on average. When it is higher than 23 ℃, it gradually transfers to the deep soil layer, and then moves to the upper soil when the soil temperature drops to its suitable active temperature in autumn. Daily life.

The grub is the larva of the big beetle. It is a gluttonous pest, which can endanger continuously. In general, the soil temperature of 10 cm in the surface layer of soil begins to move at 5 ℃ in spring, and the most suitable soil temperature is 13-18 ℃ on average. When it is higher than 23 ℃, it gradually transfers to the deep soil layer, and then moves to the upper soil when the soil temperature drops to its suitable active temperature in autumn. Daily life in the ground, mainly meshing and eating the tender stems and roots of American ginseng, resulting in lack of seedlings and broken ridges. It is generally not easy to find that most of the roots have been eroded when the leaves on the ground are seen to wilt. Control methods: use pesticides during soil leisure; do not use immature organic fertilizer; artificial capture, when the pest index reaches a certain degree, apply insecticides and irrigate through water.

 
0