As an excellent economic crop, Chaotianjiao has good planting benefits, and has the advantages of saving capital, saving labor, and resisting drought and stable production. Farmers' friends planting Chaotianjiao, first of all, choose the right varieties, and choose to use disease-resistant and stress-resistant varieties, suitable for spring and wheat-cultivated varieties, such as Qixingjiao, Japanese Sanyingjiao (cluster pepper), and scattered "bullet". (long pepper) and so on. In terms of specific planting and management, scientific methods should be adopted to achieve high-yield purposes.

Seed treatment method  

Before sowing, it is generally required to dry the seeds for 2 to 3 days, soak the seeds in water, stir them thoroughly, remove the glutinous grains, use warming utensils to warm the water at 30-40 ° C, soak seeds for 12 to 24 hours, and then dip them with water. After ~5 hours, soak for 20 to 30 minutes with 0.3% potassium permanganate solution, remove the thoroughly washed liquid, and germination for 4 to 5 days. When the length of the young root is equal to the length of the seed, it can be sown.

Seeding and seedling technology  

As the saying goes, "Spicy flowers, eggplants and pods." Timely early sowing is one of the important measures for the high yield of Chaotian pepper. Therefore, it is better to wait for the seedlings.

The best time to sow seedlings is from the end of January to the middle and late February. The seedbed should be selected from the leeward sun, the terrain is dry, the soil is fertile, no pepper has been planted, and the land with convenient transportation and water source is used as the nursery. The seedbed is 1 meter wide, no more than 10 meters long, 20 centimeters high and 0.5 meters high. Each planting a large area requires 8 to 10 square meters of seedbed. For every 10 square meters of seedbed, apply 400 kg of high-quality rotted fertilizer, 1 kg of urea, 0.2 kg of potassium dihydrogen phosphate, dig into the soil, and then pour the bottom of the water. After the water is drenched, use a knife to divide the square into square squares. Seeds within the square are 2 to 3 seeds. The seedbed is disinfected with 50% carbendazim 800-1000 times before sowing. The planting of 130-150 grams per mu of transplanted land, the selection of no windy sunny day at noon, the method is to fill the water on the neat side of the car, to be infiltrated after soaking, and then covered with fine soil 0.5 cm thick, can not be too thick and too thin, covered with plastic film immediately after sowing, surrounded by mud.

Seedbed management

In the early period, keep 20 to 28 °C during the day, 15 to 18 °C during the night, and the soil temperature of the seedbed is not lower than 18 °C. Maintain 1.5 to 20 ° C during the day and 5 to 10 ° C during the night. If the temperature is too low, it can be covered with straw to keep warm and cold. If it is too high, it can be cooled by "wind". Adhere to the principle of gradual and orderly progress, and must not suddenly uncover the film and suddenly cover the film. If the bottom water is poured, it is generally not watered. If watering is required, the watering should not be too much. In the later stage, 0.2% urea and 0.2% potassium dihydrogen phosphate can be sprayed. A fresh film is required. Note that during the day, the film is exposed to light, and on a cloudy day, the bed curtain or film should be properly ventilated when the bed temperature is not lower than 16 °C. Generally, a true leaf is 3 to 5 days long. When it grows to 4 to 5 leaves, leave a seedling at 3 cm square and pull out the weeds in the seedbed.猝 病 disease, blight, anthracnose with 50% carbendazim 800 ~ 1000 times liquid, 75% chlorothalonil 600 ~ 800 times liquid control; mites with 2800 times liquid enemy kill control.

Timely transplanting

From mid-late March to mid-April, the pH value of the fertilizer and loose ventilation is 6.5-8 loam, sandy loam or clay loam. The plant spacing is 45×30 cm, 4000-4500 litters per mu, and each nest is double. The nest is 6 to 7 cm deep. The requirement for selecting plants is 20 cm in height, 60 days in seedling age, 10 to 14 true leaves, 1.2 cm in internode length, green leaves, and developed roots. 2 to 3 lateral roots have occurred, and a few plants have Flower buds, no pests and diseases. The bottom fertilizer is applied with 30 tons of high-quality manure water, 50 kg of ammonium bicarbonate, 50 kg of superphosphate, and 30 kg of potassium sulfate.

Field management

Chaotian pepper is warm, hi-fer, hi-water, not resistant to high temperature, not resistant to heavy fertilizer, and most avoid rain. Management should do the following:

Cultivate the soil. Timely cultivating and cultivating soil can promote the growth and development of the roots of the pepper, increase the soil temperature, and help to protect the soil. When the soil moisture is high, the cultivating can also be wet, which is beneficial to root growth.

Staged topdressing. If the bottom fertilizer is not applied, it can be divided into 2 to 3 times for topdressing, 50-60 kg of ammonium bicarbonate and 40-50 kg of superphosphate. If the bottom fertilizer is applied, there is a lack of fertilizer. The root dressing can be carried out with 0.3% potassium dihydrogen phosphate and 0.4% urea.

Prevent falling flowers and fruit. There are many reasons for the fall of the peppers, such as high temperature, low temperature, drought, lack of fertilizer, length, pests and diseases. At the same time as strengthening agricultural measures, it is possible to use anti-falling substances and strong stimulation to ensure the quality of flowers and fruits.

Drought-resistance. The roots of the peppers are shallow, and they are afraid of drought and drought, especially during the fruit-bearing period. If water is scarce, the yield will be seriously affected. It should be poured in small water to keep the soil moist. High temperature weather should avoid watering at noon, so as not to reduce the soil temperature, causing leaves, falling flowers, and falling fruits.

Topping the top. The level of pepper-like branches is obvious, one is the main stem and fruit branch, the other is the side branch fruit branch, and the third is the side branch fruit branch. The main yield is the fruit composition of the secondary side branches. Therefore, the main stem should be artificially topped to promote the lateral branches. If the secondary side branches occur late, the fruit cannot be matured and should be removed in time.

Pest Control. The diseases that harm the peppers are rickets, blight, virus diseases, epidemics, etc., should be prevented as early as possible, and the principle of prevention of stress should be adhered to. From July to August, it is a multi-stage of epidemic disease. It can be sprayed once every 7-8 days. It can be sprayed with carbendazim and chlorothalonil. Pests: mainly cotton bollworm, tobacco budworm and corn pupa. Available beta-cypermethrin 3000 Spraying a doubling solution or a 5000 times solution of Caesar emulsifiable concentrate. Usually, you should look carefully and carefully, and control when there are few insects and small ones. Pay attention to the control of red spiders, mites, etc. when the weather is dry.

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