Reasons for and Methods of Controlling Excessive Wheat Growth Explained

Many people are probably not very familiar with the term "controlling excessive wheat growth." The original meaning of controlling excessive wheat growth is simply to control vigorous wheat growth, so why should vigorous wheat growth be controlled? And how should it be done? Let's learn about it together below.

I. Reasons for controlling excessive wheat growth

1. Susceptible to freeze damage in winter and spring

Because excessive growth accelerates the wheat's growth and development, making the seedlings grow tender and fine, with many stems and insufficient sugar storage in the tillering nodes. Especially after young ear differentiation enters the double-ridge stage, the wheat's cold resistance noticeably weakens, making it highly susceptible to low-temperature freeze damage in winter and late-spring cold spells in spring. In mild cases, leaves wither and tillers die; in severe cases, ears freeze and seedlings die.

2. Prone to lodging

The seedlings grow vigorously, with many stems and tillers, large leaves, and poor field ventilation and light penetration. The plants are tender and fine, with long basal internodes, relatively thin stem walls, and low dry matter accumulation, while the root system develops poorly, with few secondary roots and shallow penetration into the soil. If there is abundant rain in spring or storms occur in the middle and later stages, the roots and stems are highly prone to lodging, causing serious losses.

3. Prone to disease outbreaks

Under conditions of relatively high temperatures in autumn and winter, there are more pathogenic bacteria in the field. The external seedlings themselves are of low quality and lack disease resistance, so under suitable environmental conditions, diseases such as sheath blight, powdery mildew, and root rot are highly likely to occur.

II. Methods of controlling excessive growth

1. Controlling excessive growth by compacting

Compacting has the effect of controlling aboveground growth and promoting underground growth. It mainly bruises the aboveground leaves, delaying growth, while also promoting roots to penetrate deeper into the soil. Compacting can be done with a roller, an oil drum filled with sand, or a rake turned over and run along the wheat rows. Compacting must be done around noon on a sunny day. When compacting, note that wet soil should not be compacted, and it should also not be compacted when there is dew or when the soil is frozen. When compacting multiple times, keep the direction consistent.

2. Chemical control of excessive growth

Spraying chemical additives on wheat can effectively increase the concentration of leaf cell sap, inhibit elongation of basal internodes, and effectively improve the wheat's cold resistance and lodging resistance.

3. Controlling excessive growth by intertillage

For vigorously growing plots with large populations, deep hoeing to cut roots can be adopted, which can also inhibit wheat growth and control excessive growth. Generally, intertillage in wheat fields can preserve and increase temperature and promote root development. After wheat turns green, taking advantage of the temperature rise, promptly hoe at noon after the soil thaws. This cuts fine root tubes, reduces soil moisture evaporation, makes the soil compact, plays a main role in preserving moisture, effectively raises ground temperature, promotes root development, and also controls weeds.

The above is an introduction to the reasons for and methods of controlling excessive wheat growth. We hope it can help you. To learn more related knowledge, please keep following us.