The peppers in the field have been planted for a week, how to prevent pests and diseases?

Chaotian pepper not only likes temperature, fertilizer and water, but also does not tolerate high temperature, thick fertilizer and waterlogging, so it is necessary to strengthen field management. In addition, in the production process of Chaotian pepper, the incidence of virus disease, anthracnose, root rot and other diseases is relatively high. We must implement the plant protection policy of "prevention first, comprehensive prevention and control" to ensure a bumper harvest of Chaotian pepper.

1. Field management.

a) Cultivating loose soil.

The main purpose of cultivating is to break the compaction and eradicate weeds. Due to the shallow distribution of the root system of Chaotian pepper, the cultivation should generally be appropriately shallow, especially in the middle and late stages of growth. When cultivating, there should be a certain distance from the roots.

The specific method is: shallow hoeing in time after colonization and survival. After that, after irrigation or rainfall, it is cultivated in time, and during the first fruiting period, it is combined with cultivating the soil to form a small ditch between the rows.

Entering the full fruiting period, the ridges have been sealed in the field, the tillage is stopped, and the weeds are pulled out in time.

b) Top dressing. If the leaf color of Chaotian pepper is lighter, 5 10 kg of urea per mu can be applied when the soil is used to seal the roots. Spraying pepper growth power source on weak seedlings, small seedlings and yellow seedlings has a remarkable effect.

In the late stage of growth, potassium dihydrogen phosphate solution can be sprayed to promote flowering and fruiting. Spraying fertilizer should be on a cloudy day or in the evening, but topdressing outside the roots should not be carried out during rainfall, and topdressing should be postponed in drought.

c) Watering. Take more watering along the ditch watering method, avoid flooding at noon on sunny days, and let the field accumulate water after irrigation, and pay attention to drainage in low-lying and waterlogged areas.

2. Pest control.

The main diseases of Chaotian pepper are virus disease, anthracnose, pepper gray mold, pepper umbilical rot, etc., which can be controlled with 600 times of pepper disease; Capsicum virus disease can be prevented and controlled by spraying 600 times of the virus god kill; For pepper root rot, the root can be irrigated with 75% Dixone 800 times.

Aphids can be sprayed with 1500 times of killing aphids and pulling out poisonous aphids, and cotton bollworms, corn borers, tobacco insects, and beet armyworms can be controlled with 1000 1500 times of insecticidal solutions.

There are many reasons for the fall of flowers and fruits of Chaotian pepper, such as high temperature, low temperature, drought, lack of fertilizer, growth, diseases and pests, etc., the use of pepper growth power source, can play a role in more rooting, promoting strong seedlings, more flowering, more fruit set, antidote to disease prevention. The pepper growth power source is used by spraying 30 kg per 50 ml of water. If Chaotian pepper is planted close to the corn field, due to the pesticide damage caused by spraying herbicides, the pepper growth power source can be sprayed in time to eliminate.

To sum up, the planting and management technology points of Chaotian pepper, there are quite a lot of areas in China that like to eat peppers, and the demand for Chaotian pepper is also very engaged in many pepper varieties.

It can be used to prevent pests and diseases by virus god killing, spicy disease net, dixone, aphid, insecticidal fast, occultamine acetate and other pharmaceutical measures.

Some pesticides can be purchased in advance. Spray according to the concentration requirements. This kind of prevention is very useful.

The main diseases of Chaotian pepper are virus disease, anthracnose, pepper gray poison, pepper umbilical rot, etc., which can be controlled by spicy disease, 600 times liquid spray, pepper virus disease, which can be killed by virus, can be prevented and controlled by 600 times liquid spray, and pepper root rot can be watered with 75% Dixone 800 times liquid root.

Scientific and reasonable fertilization and water control can effectively prevent plant diseases and pests. It is best to use organic fertilizers, which can promote the growth of plant rhizomes, and if you find yourself sick, use plant-specific insect repellents.

Pepper belongs to the Solanaceae crop, and it is best to rotate with non-Solanaceae crops. It is best to grow peppers in a stuffy shed, which not only completely kills root-knot nematodes in the soil, as well as other underground pests and eggs, but also kills bacteria, fungi, viruses and weeds in the soil. Improve the soil, reasonable fertilizer and water management of heavy cropping, plant adjustment, remove the side branches below the fork, and use bamboo poles, iron wires, etc.; Removal of diseased, old, yellow leaves and branches; Flowers and fruits are sprayed with tomato to spray flowers, and do a good job in pest control.

<> if the growth is good, it is necessary to loosen the soil in time, water it once every ten days or so, wait until the pepper bears fruit, and when the first layer of pepper grows to about four centimeters, water more to keep the field moist. And it is necessary to harvest peppers in time and supplement fertilizers to avoid premature aging, and as the plants continue to grow, the amount of phosphorus absorbed increases. However, the variation in uptake is narrow, with total uptake of about 1 5 of nitrogen.

Insufficient phosphorus can cause bud and flower drops. Phosphorus is an important factor in the good development of flower buds.

Seedling. Seedlings are planted when they have grown to 2-3 true leaves. The day before the seedlings are divided, the seedbed is watered thoroughly; At the same time, the seedbed will be filled with sufficient water, and a planting ditch of 6-8 cm will be drawn, and the seedling distance will be 6-7 cm.

5-7 days after the seedling is the slow seedling period, this period requires 25-28 during the day, if you want the pepper to grow well permanently, you must plant the pepper in, ventilated, slightly sandy soil in the rising sun, small flat slope land to plant, and the small flat slope land to enter, easy drainage, can not accumulate water.

After planting, water with a small amount of water. After survival, it can no longer be watered to prevent growth. When it is time to fork, it is watered with water and fertilizer.

It is important that the spicy is ventilated and light-transmitting. Also be aware of the weather forecast. If it rains for two or three days.

Improving permeability, permeability in the field is very important for the growth of peppers. Peppers should not be planted too densely, and care should be taken to prevent the field from being too closed. It is necessary to remove the aging and yellowing leaves at the base of the plant in time, which can effectively promote ventilation.

Timely fertilization. During the flowering and fruiting period of a large number of peppers, phosphorus and potassium fertilizer and organic fertilizer must be applied every 15-20 days, 25-30 grams of potassium dihydrogen phosphate and 75-100 grams of well-rotted peanut bran per plant, mixed with water or 3-5 kg of manure water, evenly sprinkled around the plant.

It is recommended to control the planting density of pepper at 3000 holes per mu, 1-2 seedlings per hole, planting row spacing of 50-55 cm, and seedling spacing of about 25-30 cm. Plots with good moisture, fertile soil and sufficient water and fertilizer can be appropriately densely planted to increase yield, while plots with poor moisture, poor soil and insufficient water and fertilizer will be more productive if appropriately sparsely planted.

Timely soil loosening, timely removal of insect pests, timely spraying of pesticides, regular disinfection and sterilization, and finally the selection of seedlings to make a good choice.

The planting density of Chaotian pepper mainly depends on the variety chosen. Some trees are relatively large and leafy, and such varieties should be sparsely planted. Some are suitable for dense planting, so the planting density should be determined according to the requirements of the variety.

Farmers should do three things in Chaotian pepper planting technology, high yield and high quality third, fertilization management Chaotian pepper high yield is inseparable from nutrients, many farmers also have some misunderstandings when fertilizing, such as too much nitrogen fertilizer in the base fertilizer, resulting in vigorous plant growth and so on. When fertilizing, peppers planted in the spring usually use three balanced fertilizers of 15 or 17 as the base fertilizer, on which 20 kg of potassium sulfate is added. Many farmers say, why use such a fertilization formula?

Chaotian pepper has a higher absorption of potassium and requires more potassium. In addition, it has a higher uptake of phosphorus in the early stages of growth and lower uptake in the middle and late stages of growth. Therefore, in the use of basal fertilizer, it is recommended to use three 15 or balanced fertilizer, plus potassium fertilizer as basal fertilizer, and then tillage.

Farmers should do three things well in Chaotian pepper planting technology: high yield and high quality. First of all, growers should choose plots with high organic matter content and good drainage.

Then combined with deep ploughing, 3 cubic meters of rotting farmhouse fertilizer, 80 kg of superphosphate, 40 kg of diammonium phosphate, 10 kg of potassium sulfate per mu, and then ditching.

Generally, the side height is about 18 cm, the side width is about 75 cm or 150 cm, and the width of the upper mouth of the deep groove is about 35 cm. How do you grow Chaotian pepper? It's not difficult to think of high quality and high yield, right?

The average temperature of pepper planting generally reaches 19 degrees, and the lowest temperature is above 15 degrees. After the pepper planting is delayed, the delayed seedlings should be watered in time. Then during the flowering period of peppers, combined with soil moisture, it can be watered and cultivated.

Be sure to control the watering during the pepper flowering period to prevent the pepper from falling. Keep the field moist during the full period of pepper fruits, generally in the rainy period, we must pay attention to drainage, and the peppers turn red, with less or no watering as the principle.

Before the peppers bloom, 1,500 kg of rotting fertilizer can be applied per acre. Then after the pepper is set, 25 kg of top dressing per mu can be used, and the method of acupoint application can generally be used. After most of the pepper side branches have borne fruit, they should be re-fattened.

In the later stage of pepper growth, top dressing, especially nitrogen fertilizer, should be controlled. In the later stage of pepper fruiting, growers can spray potassium dihydrogen phosphate on the leaves 2-3 times. Bunch pepper growers should also prune and pick pepper hearts.

Generally, after the fruit branches under the stewed pepper grow, the excess side branches should be wiped off in time. After the fourth branch bears fruit, the regenerated long side branches should be appropriately removed to maintain good ventilation and light transmission.

Because the growth period of Chaotian pepper is long, the demand for yourself is also great. On the basis of applying sufficient basal fertilizer, reasonable topdressing should be carried out according to the actual situation. After the seedlings are transplanted and survived, the seedlings should be fertilized as soon as possible, and 4 9 kg of urea can be applied per mu.

Planting Chaotian pepper needs sufficient water, sunlight, pay attention to the environment when choosing a planting location, and apply a nutrient solution to prevent flower drop when Chaotian pepper blooms, improve the fruit setting rate, etc., and pay attention to the plant spacing should not be too dense.

Chaotian pepper is generally planted in April and May, and if the temperature is too low, the root growth will be slow, which will affect the growth. When the temperature rises to 15 degrees, it can be planted. During the planting process, it is necessary to control the spacing of Chaotian pepper planting to prevent overcrowding.

High crop yields are inseparable from chemical fertilizers, which are applied with potassium fertilizer in the appropriate proportion.

The temperature of Chaotian pepper should be controlled at about 26, which can improve the yield of Chaotian pepper. It is necessary to choose land with sufficient fertility for planting, and Chaotian pepper is relatively affected by water, so it is necessary to do a good job of proper drainage system. Freshly harvested pepper seeds need to be treated before they can be planted.

The seeds are placed at 25 years of age for germination, and after germination, they are sown.

To plant Chaotian pepper, you must have enough water and sunlight. When choosing a planting site, we should pay attention to the environment. When Chaotian pepper blooms, we can use some nutrient solution appropriately to prevent flower fall and improve the fruit setting rate and quality.

When preparing the land, choose the field where the onion and garlic are planted for 2-3 years for annual rotation, and water the bottom water before transplanting, and spray disinfectant + new high-fat film on the surface to disinfect the soil.

Before sowing, soak the seeds with a new high-fat film 55 constant temperature water for 10 minutes, and then remove and dry the seeds after soaking, which can not only keep warm, moisturize, absorb swelling, improve the germination rate of seeds, make the seedlings robust and can repel underground insect pests, and isolate virus infection.

When sowing, the depth should be consistent, and the planting should be even, usually according to the row spacing of about 40 cm, the sowing depth of about 2 cm, planting after planting, covering the soil and spraying a new high-lipid film to preserve moisture, in order to activate the soil surface compaction density, improve the seedling emergence rate.

After the occurrence of pepper diseases and insects, corresponding measures should be taken in the early stage, and chemical pesticides should be used rationally, combined with physical control and biological control. This can not only effectively prevent the further spread of pests and diseases, but also protect the environment and improve the yield and quality of peppers.

a, Capsicum root-knot nematode disease:Priority should be given to the use of physical control of high-temperature stuffy sheds, and the selection of disease-resistant varieties, crop rotation and soil improvement measures for agricultural control. Biological control can be sprayed with Bacillus subtilis, and chemical control can be carried out by root irrigation.

b. Pepper wilt: vegetable farmers can do it before sowingAlkaline fertilizers such as lime or plant ash are applied in the land preparation stage to make the soil weakly alkaline and have a good inhibitory effect on bacterial wilt. At the onset stage, diseased leaves and fruits should be removed in time, and then combined with pesticides to irrigate roots and spray for prevention and control.

c, pepper anthracnose: vegetable farmers in the early stage of the disease with the corresponding agents for prevention and controlWhen spraying, attention should be paid to the spraying plant site and spraying time, and the agent should be sprayed on the front and back of the leaves of pepper plants and the middle and lower parts of the rhizome. When the temperature is high, it should be sprayed at noon, and when the temperature is low, it should be sprayed at noon to improve the effect of pesticide control.

The main diseases that harm pepper are: viral diseases, blight, bacterial spot diseases, anthrax, etc. When these diseases occur severely, they can lead to a bad harvest.

1. Capsicum virus disease is caused by cucumber mosaic virus and tobacco mosaic virus infection. Mainly spread by aphids stinging sap and so on, and eventually deformity, resulting in mosaic leaves, necrosis, falling leaves, falling flowers, falling fruits, once infected, the incidence is extremely high, spreading rapidly, generally will cause 3-6 percent of the reduction of yield.

2. Capsicum blight is a fungal disease caused by Phytophthora infection. Seedlings and adult plants can be damaged, roots, stems, leaves, and fruits can be diseased, and the roots and stems are infected in the early stage to cause dead seedlings, and the disease in the middle and late stages often causes the death of the whole plant. During the transplanting period, the disease spreads quickly and is easy to be infected, which will cause a large number of dead seedlings, and the continuous cropping field will be heavier, and the spores of the fungus will spread by wind and rain, and it will spread rapidly into a disaster, and the loss will be comparative.

3. Pepper bacterial spot disease, commonly known as "defoliation blast", is a bacterial disease that occurs commonly on peppers, which often causes a large number of leaves, flowers and fruits in the early stage, affecting yield. If under long-term high temperature and high humidity conditions, the diseased spots on the leaves do not form scabs, but rapidly expand into leaf margins scorched or form many small spots on the leaves, and then cause a large number of leaves to fall off. In addition, heavy crops, wetlands, and poorly growing nail masses are severely affected.