Science and Technology 110 Science and Technology Popularization Service QQ Group User “Treasure†Q: The corn stalks are shortened between the nodes, the leaves are flushed, and the heart is yellow. Is this a corn rough dwarf disease? How to prevent it?
Science and Technology 110 Experts A: Looks less like a dwarf disease. The typical symptoms of dwarfism are short internodes and thick leaves. Waxy white uplifting stripes appear on the veins on the back of the leaves. There is a noticeable rough feeling when the leaves are touched, and the plant leaves are short and stiff.
Only after a clear cause can the right medicine be prescribed.
If we say that it is a dwindling disease, it has no sense of prevention and control. We can only take measures to prevent it in advance next year. The best choice for the prevention of rough dwarf disease is to select resistant and resistant varieties, followed by seed dressing with an insecticide containing imidacloprid or thiamethoxam before sowing, spraying 1-2 times imidacloprid (or thiamethoxam) + azoline (oligosaccharides) after emergence. Sugar chain protein) or Poison Poison (Hydroxy Moroxydine).
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