Peanut is an important oil crop in China. It can be processed into a variety of non-staple foods and has high economic value, so the planting area is wide. However, in the process of planting peanuts, some peanuts will have dead seedlings, which will directly affect the yield of peanuts. So what are the reasons for the death of peanuts? How to prevent it?
First, the cause of peanut death is caused by cockroaches?
1, poor seed quality
Many people choose to keep their own seeds in order to save money when planting peanuts. If the quality of self-retained seeds is poor, they will return to the phenomenon of dead seedlings.
2, serious pests and diseases
If you do not use pesticide dressing, soil sterilization, peanut seeds and soil-borne pathogens before planting peanuts, there will be dead seedlings. When peanut pests occur. Failure to spray drugs in time will also cause peanuts to die.
3, heavy planting
Planting peanuts in a piece of land all the year round without planting other crops, the bacteria in the soil will be more and more, causing peanuts to die.
Second, the prevention method of peanut dead seedlings
1, choose the species
The quality of peanut seeds determines the yield of peanuts. Therefore, before planting the avatar, it is necessary to select varieties with high disease resistance and high yield. For example, if you choose self-retained seeds, you should choose fully developed seeds and advance them before planting. Seed dressing with pesticides to kill the bacteria and eggs remaining on the seeds.
2. Reasonable rotation
Peanuts are best to plant other crops in a year, which will reduce the residual of soil germs. Generally, the light disease fields are rotated once in 1-2 years, and the heavy disease fields are rotated once in 2-3 years.
3. Water and fertilizer management
When fertilizing peanuts, it is best to use organic fertilizers, pay attention to watering in the dry season, pay attention to drainage after rain, and scientific fertilization can make peanuts grow stronger and improve disease resistance.
4. Pest control
In the early stage of the disease, it is necessary to remove the diseased plants in time and clean up the residual strains in the field in time and spray them in time to prevent the spread of the bacteria. Spray once every 10 days and spray 3-4 times continuously.
The above are the reasons for the death of peanuts and preventive measures. Before planting, it is necessary to use seeds that are resistant to disease, high yield and high development, and the seeds should be disinfected. Peanut planting is best used for other crops, which is beneficial to reduce soil bacteria, strengthen water and fertilizer management during planting, and pay attention to pest control.
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