Maize dwarf mosaic disease, also known as streak disease, mosaic virus disease and yellow-green streak disease, can infect the whole growth period of corn. From the emergence to the 7-leaf stage, it is easy to infect, and the chlorosis point of the base of the infected plant's heart leaves. Mosaic leaves, later extended to the entire leaf, uneven shade of leaves, forming many yellow stripes between the rough veins. Severely diseased plants grow slowly, yellow weak and short, can not be tasseled, and even die. Prevention and treatment of the disease can be carried out in two ways: First, pest control and disease prevention, can use 20% industrial imidacloprid 3000-4000 times, or 70% imidacloprid 8000-10000 times spray control pest transmission. The second is to spray with 1000 g of virus or 1000 times of virus.
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