Ask the expert teacher to see what disease this wheat is.

The picture is not clear, such as dry soil, lack of fertilizer and water, poor root system, timely watering and topdressing urea, spraying brassinolide amino acid light potassium fertilizer and malignant rooting agent to alleviate and promote growth.

There are many reasons for wheat yellowing, such as root rot and sheath blight.

Disease, mosaic virus disease, herbicide damage, fertilizer deficiency, high humidity, fertilizer deficiency and water shortage, mite damage, rust and so on can all cause leaf yellowing, so spraying brassinolide amino acid light potassium fertilizer and vigorous kung fu can prevent and control it.

Rust leaf blight is not excluded, and the picture is not clear. It is suggested that the upper leaf should have clear pictures for everyone to analyze.