What are the characteristics of wheat downy mildew? Wheat downy mildew is also called yellowing wilt disease. Winter wheat is produced. In recent years, wheat in many geographical sectors has become serious. The typical symptom of wheat downy mildew is yellowing and atrophy of the plant. The leaves benefit from yellowish-white stripes or patterns. The leaf color is pale green and broadens and becomes longer. The leaflets are wrinkled, drooping, and the cobs are curled or bowed. The spikelet glumes also become leafy. Can not be less than the booting or even the booting can not be normal heading. Seeds are thin and low budding rate. The stalks of the diseased plants were weaker than the healthy ones, and there was a thick white wax-like waxy layer on the stems. Wheat downy mildew in the field is easily mistaken for wheat virus disease. In terms of symptoms, the characteristics of the downy mildew strains such as width, length, thickness, roll, twist, wrinkle, and head-shaped malformation of the diseased ear were caused by a few viral diseases in wheat.
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