Peanut is a kind of food with very high protein content. Its energy is also very high. Peanut is a must-have food for many drinkers. In rural areas, many families will plant a few acres of peanuts, because peanuts are planted under the land. Therefore, there will be more pests and diseases, such as some bacteria and pests in the soil will invade it, then the following small series will introduce you to the common prevention and treatment methods of several peanut diseases!
1. Stem rot
This is the most common disease of peanuts. It usually occurs in the seedling stage. Once it is infected, its leaves will turn dark brown. The leaves will slowly become watery and dry. The petiole is slowly carried out to the whole plant, and the longer the disease is, the more severe the symptoms will be. The last direct disease causes the leaves to die.
Control method: The source of stem rot is mainly seed, and the seed brings in the bacteria. Another reason is that the land is too serious to cause the bacteria under the last crop to invade our peanuts. We can use carbendazim solution and methyl thiophanate solution for spray treatment. <
2, root rot
Root rot is a disease that mainly damages the rhizomes of the roots. After the roots are diseased, they will show water immersion. Then the roots will slowly change color. The color will be longer and deeper with time. Finally, the leaves will dry up and the main rhizome will fester. In the end, only the main root of shrinking and drying up was left behind.
Control methods: We can strengthen the requirements for rotation. Reasonable rotation, pay attention to the use of carbendazim solution for soaking and seed dressing when selecting seeds and sun-breeding. If the incidence rate is as high as 5% or more, carbendazim should be used to spray the whole field to avoid the source. The spread is even worse. <
3, leaf spot disease
Leaf spot disease, also known as black spot disease, is characterized by the appearance of a brown prototype spot. It is not very obvious in the early stage. It gradually spreads from the center and grows yellow-brown mold on the leaves. It will get worse and worse, and finally let the leaves die.
Control method: It can strengthen the rotation. When screening the seed, try to select the varieties with strong disease resistance. In addition, the disease rate is the highest in July and August during the growth of peanuts. If there is such a disease, it should be sprayed with carbendazim solution once it occurs. <
4, flower rust disease
At the beginning of the flower rusting period, the leaves from the bottom begin to suffer from the disease. In the early stage of the disease, some yellow spots will appear on the leaves, and then there will be a lot of yellow halos on the edge of the leaves. When it is completely split, it will reveal rust-colored powder. If the condition is serious, it will die dry and die directly.
Control method: It should be treated immediately after the onset of the disease. The combination of chlorothalonil solution and powder rust solution is effective. <
The above is the prevention and treatment of common pests and diseases of peanut cultivation. Have you learned it? The control of the disease of peanuts is mainly determined by the selection and the quality of the land. Of course, management will not cause a series of symptoms.
This article URL: Prevention and treatment of common pests and diseases of peanut planting
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