It is not difficult to prevent and control, the most important method is to choose the right method!

Earthworm is one of the four major pests of turf underground pests. According to its diet, it can be divided into three types: herbivorous, fecal and rot. Among them, herbivorous foraging is widespread, which jeopardizes a variety of garden vegetation. The seeds, roots, tubers and seedlings that have just been planted are the world's underground pests, which are very harmful.

First, the habits of life and the law of occurrence

The cockroaches mainly focus on the grass roots within 10 cm of the surface. In severe cases, the grass is dead due to the eating of the grass roots.

1. He likes to damage the soil with high sediment concentration. Soil sand and looseness are conducive to the activities of cockroaches.

2. High organic matter content. The loam is rich in organic matter and provides a rich diet for alfalfa.

3. The water content in the soil is less. Insufficient watering also exacerbates the damage caused by cockroaches.

Second, prevention and treatment methods

(1) Chemical control

Chemical control is currently the main method to prevent cockroaches. Use worms to 2-3 days after turf grass pruning, spray 80-100 kg per 250 g of water, spray area of ​​330 square meters, appropriate increase of water consumption will help the liquid infiltration to contact pests.

(2) Agricultural control

1. Greening construction When filling the grass and planting grass, pay attention to the problem of sediment concentration to cause an environment that is not conducive to the growth of alfalfa. For the plots that have been seriously damaged in successive years, it is also recommended to change the soil. Uncover the turf and shovel the 15-20 cm thick soil and replace it with 15-20 cm thick clay to create an environment that is unfavorable for growth. ring.

2. Use some suitable roadsides and wasteland to grow ramie to poison its adults.

3, the use of adult pseudo-death, artificially shake the tree to make the adult fall off the ground to kill.

(3) Physical control

Using the phototaxis of adult worms, they use black light or black-green single-tube double light (half black light and half green light) to trap adult insects during their period.

It is not difficult to prevent it, and choose the appropriate control method according to the environmental conditions.

More pesticide encyclopedia, please pay attention to China Pesticide Network

(Source: Good Agricultural Resources Network)

304L Heat Exchange Tube

Smls Pipe,Steel Pipe 304,Hydraulic Seamless Pipe,304L Heat Exchange Tube

Zhejiang Ruimai Stainless steel Tube Co.,Ltd. , https://www.ruimaitube.com

This entry was posted in on