What medicine to use for onion root rot

1. Continuous cropping

There are many reasons why onion root rot is caused. If it is due to repeated cropping, you should use crop rotation with other crops to change the soil, but be careful not to plant crops from the lily family such as garlic and leeks.

2. There are root maggots in the roots

If the root rot is caused by pests such as root maggots, it should be promptly controlled with granular insecticides such as dichlorvos or chlorpyrifos, and the damage should not be allowed to occur.

3. Water Source Pollution

Root rot of onions may also be caused by contaminated water used for watering, which causes the roots to be damaged and rotten. Care should be taken to use clean water for watering.

4. Drug damage

If the herbicides and other drugs sprayed during maintenance are unsafe, it will cause pesticide damage and root rot. It is necessary to strengthen water and fertilizer management to promote the growth of seedlings.