How to promote the overwintering high yield of sweet pepper

In the management of sweet pepper overwintering, we often encounter various problems, such as less fruit setting, low yield, poor quality and serious diseases, and so on. In order to avoid these problems, we need to do a good job. Let's take a look at them with the editor.

1. Pruning

When the planting of sweet pepper reaches 40 cm high, it is necessary to hang branches in time, each plant can be divided into two main branches, other side branches can be removed, nutrients will be concentrated on the growth and development of the main branches, laying a solid foundation for high yield. The door pepper should be removed in time to promote the normal growth of the plant, and the diseased leaves of the lower old leaves should be removed as soon as possible, which can not only reduce the unnecessary consumption of nutrients, but also increase ventilation and light transmission, and promote plant growth and health.

2. Fertilizer and water

In the sweet pepper planting before the application of sufficient base fertilizer, base fertilizer to rotten farm manure is appropriate, generally 1000-1500 kg per mu, in the case of sufficient base fertilizer, in front of the sweet pepper, do not topdressing. When the second pepper grows to the size of a walnut, animal feces water 300-400 kg / mu and potassium sulfate compound fertilizer about 10 kg can be applied in time to promote the rapid expansion of the fruit. After that, it is necessary to apply fertilizer every time the fruit is picked, so that the plant can produce more fruit, and all-element water-soluble fertilizer can be applied in the deep winter season.

3. Lighting

Under the condition of low temperature in winter, the cover of late cover should be uncovered early in order to increase the light time, and the garbage such as dust, firewood and grass on the greenhouse film should be cleaned in time to increase the light intensity and increase the indoor temperature. make the plant grow in a suitable temperature environment. At the same time, it is necessary to hang a reflective curtain on the back wall, increase the light intensity and the temperature of the shed, prune and branch in time, and remove the old, weak, sick and residual leaves in time, which can enhance the light and increase the permeability.

4. Pest control

The pests of overwintering sweet pepper in winter are aphids, whitefly, thrips and so on, which should be controlled pertinently, such as mu Wangte and buprofezin, tick forest for aphids, and thistle for thrips. The main diseases of sweet pepper in winter are virus disease, gray mold, blight, anthracnose, leaf mold, root rot, blight and so on. We should pay attention to adjust the temperature and humidity of the goose in the shed, reduce the incidence, prescribe the right medicine for all kinds of diseases, and control the disease as soon as possible so as not to spread further.

The above is how to promote the high yield of sweet pepper overwintering, hope to help you, want to know more related knowledge, please pay attention to us.