What is the effect of the late eyed mushroom mosquito infestation on green onions? What pesticides c

It's hard to know what the late snow mushroom mosquito looks at the name, but the black-haired maggot knows. In fact, he is the larva of the late-eyed mushroom mosquito. The dangers of garlic, onions, and green onions are also familiar to everyone.

Biting the young stems, buds, leaf sheaths, etc. of plants makes them rot and yellow, and there are many ways to prevent **. Doing so can affect crops such as onions, garlic, etc. The medicine chosen must be for late-eyed mosquitoes.

This time is usually spring and autumn, spring is around late April, and autumn is in late October. There are also many ways to spray medications. It can be sprayed directly, it can also be smoked with air, and there is a method of soaking the medicine in the roots, and the other method is about the general method of the soil The irrational use of manure is the main reason for the increase of gutter oil, if the manure used is not cooked, it is easy to put it into the soil to cause gutter oil to multiply, affecting the growth of vegetables.

How can vegetable farmers effectively prevent maggots in production?

It is best for the outer film compost rotten vegetable farmers to mix the fertilizer they bought back with grass, mud miscellaneous expenses, manure, manure, and superphosphate, mix the humidity evenly with water, hold it in their hands, and spread it when it falls from a height of 1 meter. Moreover, it is better to pile it with Mongolian foam 80-100 cm high, and then cover it with plastic film so that it ferments smoothly. Generally speaking, the tide watching time is 30-40 days in summer, and 50-60 days in spring and autumn.

At the same time, adding corrosive agents such as high fertility and manure treasure to the manure can greatly reduce the number of eggs by adding corrosive agents such as high fertility and manure treasure to improve the ripening speed of manure.

Combined with a high-temperature stuffy film to promote fecal corrosion. Put the unripe manure in the soil during the summer fallow period, close the air outlet, raise the temperature of the warehouse to 60 70, stuff for 15 days. When treating the soil with stuffy agents, the manure should be applied to the field in advance, so that the soil treatment agents can kill maggots in the manure together.

The strip machine is one of the most common diseases in crops, and the stump of the crop may also induce the strip machine, and the use of the strip machine to apply special drugs can greatly reduce the use of pesticides when the strip machine is used. Maggot is the best choice to reduce drug costs, grow green pollution-free vegetables, and develop green agriculture. For reference and selection, maggots, anti-submarine fly effect - patented antiviral-homogeneous peptide, efficacy:

It has obvious preventive effect on crop root rot and stem base festering. It has considerable preventive effect on high virus resistance, crop leaflet virus, cucumber mosaic virus, green onion root rot, green onion gray mold, ginger anthracnose, ginger leaf blight, potato late blight and various viral diseases.

Biodi maggot pure alpine goat Sintion: efficacy insecticidal speed: with strong stomach toxicity, contact killing, fumigation effect, fast insecticidal speed, good effect.

50% Enemy Acid - Maggot Purification - White Turtle: Efficacy: It has a powerful ultra-efficient insecticide with 5 major functions of touch killing, stomach poisoning, fumigation, avoidance, and internal inhalation conduction, with less use and fast killing speed.

High-fat control of maggot compound microbial fertilizer - Tianrun 3: Efficacy: This product contains a variety of beneficial bacteria such as high grass, wild vegetables, bacillus, etc., combined with insect control factors, high activity, and effective control of pests and diseases.

The larvae of the leek late-eyed mushroom mosquito live in a hidden group, and eat the bulbs and tender stems of the lower part of the leek, which can cause lack of seedlings and broken ridges or die in patches. In the adult emergence, spray with 1500-2500 times of cypermethrin EC. Spray at 9-10 a.m., 1 time at 10 a.m., 3-4 times in a row.

It will bite and damage the young stems, buds, leaf sheaths and other parts of the plant, so that it rots, withered yellow, there are many kinds of prevention and control methods, spray insecticides to everyone, but when spraying, we must pay attention to the dosage of usage, use reasonably in accordance with the instructions, do not excessively, this will affect onion and garlic and other crops.

First of all, it may lead to a decline in the yield of green onions, and it will also cause bad seedlings in this process, so at this time you should spray some pesticides to remove insects, so that you can also prevent pests and diseases in time.