How to control lodging in newly planted sunflowers

Sunflower is not only a kind of grain and oil growing crop, but also an ornamental plant with high ornamental price. Sunflower has strong adaptability to the environment, and is often used in wasteland planting, protected land planting, environment improvement, soil improvement and so on. However, when planting sunflowers, due to some reasons, sunflowers appear different degrees of lodging phenomenon. So how can we prevent the emergence of this phenomenon? Sunflower lodging and what symptoms will there be? Let's take a look.

1. Why do sunflowers lodge?

Sunflower lodging in the process of growth is generally the most common before harvest, which has a great impact on the yield of sunflower. However, the lodging of sunflowers is not caused by one reason, but may be caused by improper selection of varieties, improper selection of planting land, and improper planting density. finally, malnutrition, improper field management, diseases and insect pests, weather reasons are the causes of sunflower lodging.

2. Sunflowers show lodging.

Many people say that sunflower lodging is asymptomatic, it is generally a sudden phenomenon, there is no time to deal with measures, in fact, sunflower lodging before there will be certain symptoms. First of all, if the sunflower stem is relatively thin, it is easy to lodge; the second is that the planting density is too dense, which is also easy to lodge when the weather changes; and when it is found that there are many diseases and insect pests in the field, and sunflower stem or part of the position is damaged, it is also easy to lodge. It is not that its lodging occurs in the soil, but that we do not consider it from many aspects, so it will eventually cause irreparable losses.

3. Prevention and control methods

To prevent sunflower lodging, we need to analyze the causes that may lead to this phenomenon. First of all, we can reduce the emergence of this phenomenon from the varieties, and try to choose the varieties with short stem, hard stem and strong disease resistance. The second is to apply fertilizer scientifically to ensure the sturdy stem of sunflower, improve its wind resistance and avoid lodging due to weather. There is scientific density planning and reasonable planting under the condition of making full use of land resources. There is in the growth process of sunflower, according to its needs, reasonable watering, to avoid root rot. Finally, it is necessary to strengthen the management of the field and find that diseases and insect pests should be controlled in time in the early stage to restrain the deterioration of the disease.

These are the reasons for lodging in the process of sunflower planting and the full introduction of prevention and control methods brought to you by the editor today. Hope to help friends in need, if you have any questions about the specific implementation details, you can leave a message for the editor.