What kind of medicine are used for underground pests of corn?

Corn is a common crop in China, almost every family has planting, and during the planting of corn, there are often a variety of diseases and insect pests, then what drugs are used to control corn underground pests?

What kind of medicine should be used to control underground corn pests?

Corn underground pests can be controlled by trichlorfon, phoxim, dimethoate, methamidophos, deltamethrin, fenvalerate and so on. Generally, for the 1st and 2nd instar larvae, 20% fenvalerate 3000 times, 2.5% deltamethrin, or 50% phoxim 800x solution can be used for spray control. The older larvae were mixed with 100 grams of 50% phoxim and 30 kilograms of chopped vegetable leaves per mu and were poisoned.

Second, what are the underground pests of corn?

1. Ground tiger

Before the 3rd instar, the ground tiger larvae mostly move on the soil surface or plants, feed on leaves, heart leaves, tender heads, buds and other parts day and night, and eat less. After 3 years old, they are scattered into the soil, lurking in the soil during the day, nocturnal activities will cause plant damage, often bite off the maize seedlings on the ground, resulting in seedling shortage and ridge breaking.

2. Mole cricket

They all live underground, eat newly sown seeds and bite the roots of corn, which do great harm to corn seedlings and are very important underground pests. Usually live underground and carry out activities underground at night and in the morning.

3. Grub

It is a beetle larva, likes to eat newly sown seeds, roots, tubers and seedlings, is a worldwide underground pest, occurs in soft and moist soil, watering soil is the most common.