What are the main diseases of peanut? Do you know the methods of prevention and control?

Peanuts are the most common food in daily life. After shelling, they can be fried into peanuts and vegetables, and visitors at home can put dried fruits in a fruit plate to eat, with a particularly high consumption rate. Now many people will plant some peanuts to eat in their gardens. As flowers grow in the soil, they are prone to diseases. Today, let's take an inventory of the main diseases of peanuts. Do you know the methods of prevention and control?

What are the main diseases of peanuts?

The main diseases of peanut are white silk disease, root rot, stem rot, leaf spot, root knot nematode, rust, bacterial wilt, crown rot, bacterial wilt and so on. According to different diseases need to be treated according to the case, otherwise it will lead to a decline in peanut production and the possibility of death, so when planting peanuts, you must observe carefully and see what causes the disease when you see it. Then go to agricultural stores or consult professional peanut growers to ask the situation in Hong Kong to see what drugs need to be bought to treat them, but it is best not to use pesticides, because they are their own food. Pure nature is the best, and at this time we need to treat it through physical methods.

Do you know the prevention and control methods of major peanut diseases?

1. Control methods of White Silk Disease of Peanut

The main results are as follows: (1) White silk disease of peanut: it mainly suffers from the root, pod and stem base of peanut, showing brown soft rot at first, and white silk hyphae on the aboveground rhizome.

(2) the causes of peanut white silk disease: high temperature, high humidity, soil viscosity, poor drainage, low-lying land and rainy years. The disease was serious in continuous cropping and early sowing.

(3) Prevention and control methods of peanut white silk disease: remove the disease remains in time after harvest, turn deeply; select disease-free seeds; after the disease, use 50% seed powder 2 jin mixed with fine dry soil 30 jin to make medicine to cover the disease point.

two。 Control methods of Peanut Leaf spot

(1) Peanut leaf spot disease mainly occurs on peanut leaves, which is most likely to occur before the peanut harvest season, and the leaves will fall off ahead of time. At this time, people will mistakenly think that peanuts are ripe.

(2) the causes of peanut leaf spot disease are as follows: rainy, humid climate, serious disease; light incidence in dry years with less rain; barren soil and easy to occur in continuous cropping fields.

(3) Prevention and control of peanut leaf spot: remove the disease residue during peanut harvest, and spray 2-4 times continuously every 10-15 days during the growth period of peanut.

3. Control methods of Peanut Stem Rot

(1) Peanut stem rot: also known as rotten neck disease, generally occurs in the middle and later stages, soon wither and die after infection, pods often rot or kernel dissatisfaction, resulting in serious losses.

(2) the cause of peanut stem rot: it overwintered mainly on the diseased and residual plants in seeds and soil, and became the source of the disease in the second year.

(3) Prevention and control methods of peanut stem rot: prevent seed mildew and ensure seed quality; soak seeds with 25% carbendazim, mix seeds according to seed weight, soak seeds for 24 hours and sow seeds.

4. Control methods of peanut rust

(1) introduction to peanut rust: peanut rust begins at the beginning of the disease from the leaves at the bottom, and some yellow spots will be produced on the leaves at the initial stage of the disease. If the disease is serious, it will dry up and die directly.

(2) the causes of peanut rust: excessive application of nitrogen fertilizer, high planting density, poor ventilation and light transmission, and poor drainage conditions.

(3) Prevention and control of peanut rust: when the disease is found, it is necessary to deal with it immediately, and the effect is very good by spraying chlorothalonil solution and trimethoprim solution together.

The above four are the prevention methods of major peanut diseases. Have you learned it?

Summary: the above content is about the introduction of the main peanut diseases and control methods, hoping to help peanut growers in need. This paper is integrated with the Internet.