Spring is an important period for wheat growth, which directly determines the quality of wheat harvest, and is also the peak period of various diseases. Farmers' friends need to understand the types of diseases and effectively control them.
Spring wheat main diseases and symptoms
Spring wheat rust. Rust is divided into leaf rust, strip rust and dry rust, the difference is that the infected parts are different. Leaf rust occurs on the leaf surface of the crop, and the strip rust occurs in the leaves and stems, and the rust on the surface of the disease is dry rust. No matter what kind of rust, it will lead to crop yield reduction in severe cases.
Spring wheat powdery mildew. In the early stage of powdery mildew, some white spots appeared on the leaf surface, and then gradually expanded to form a mold layer similar to white powder, and then the diseased tissue became black, and finally the whole leaf died.
Spring wheat total erosion. The main infection site of the total eclipse is in the roots of wheat. The leaves below the greening stage will turn yellow, and then gradually deepen. When it is dry, it will turn dark brown, and finally white ears appear.
Spring wheat root rot. Root rot will infect various parts of wheat, including leaves, buds, ears, etc., and brown spots will appear in the affected parts, which will affect the growth of wheat as the disease area expands.
Spring wheat yellow dwarf disease. The main cause of yellow dwarf disease is the spread of wheat bran. Generally, symptoms appear during jointing, and the plant grows short and the leaves are yellow.
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