How to prevent lodging by planting sunflower

Sunflower is a kind of grain and oil crop, and it is also an ornamental plant with a very high ornamental price. Sunflower has strong adaptability to the environment and is often used for wasteland planting, protected land planting, improving the environment, improving soil and so on. However, when planting sunflower, due to some reasons, sunflower lodging occurs in different degrees. How can we prevent this phenomenon? What symptoms will sunflower lodging have? Let's take a look.

1. Why do sunflowers fall?

Lodging occurs most often during sunflower growth before harvest, which has a significant impact on sunflower yield. Sunflower lodging is not caused by one reason, it may be improper selection of varieties, improper selection of planting land, improper planting density, malnutrition, improper field management, pest damage, weather and so on are the reasons for sunflower lodging.

2. Sunflower lodging performance

Many people say that sunflower lodging is no symptom performance, generally is a sudden phenomenon, there is no time to do a good job of treatment measures, in fact, sunflower lodging before there will be certain symptoms performance. First of all, sunflower stems are relatively thin, which is easy to lodge; Secondly, the planting density is too dense, when the weather changes, this is also easy to lodge; There is also when there are many diseases and insect pests in the field, and sunflower stems or part of the position is damaged, it is also easy to lodge. It's not the soil where lodging occurs, but we don't consider it from many aspects, so it will eventually cause irreparable damage.

3. Prevention and control methods

To prevent sunflower lodging, we need to analyze the reasons that may lead to this phenomenon. First of all, we can reduce the occurrence of this phenomenon from the variety, try to choose short stem, hard stem, strong disease resistance varieties. The second is scientific topdressing to ensure the sturdiness of sunflower stems, improve its wind resistance and avoid lodging due to weather reasons. There is also scientific density planning, in the case of full use of land resources, reasonable planting. There is also in the sunflower growth process, according to its needs, reasonable watering, to avoid root rot. Finally, it is to strengthen the management of the field, and to control the diseases and insect pests in time at the initial stage to inhibit the deterioration of the disease.

The above is the introduction of the reasons for lodging and prevention methods brought to you by Xiaobian today. I hope I can help you friends who have needs. If you have questions about the specific implementation details, you can leave a message to Xiaobian.