Is yellowing of beet leaves a yellow beet yellow disease?

Is yellowing of beet leaves yellow beet yellowing disease:

Beet yellow virus disease is extremely harmful to sugar beet production. In general, the incidence rate is 50%-60%, the root yield is reduced by 20%-25%, the sugar content is decreased by 2-4 degrees, and the seed yield is reduced by 30%. In the early stage of the disease, sporadic diseased plants appeared, and then expanded and contiguous, a serious golden color. The tip of the old leaf tip or leaf edge of the diseased plant turns orange-yellow, and gradually expands toward the center of the leaf. Yellow plaques of different sizes and shapes are formed between the veins. The posterior plaques expand and the whole leaves turn yellow. Keep it green. The diseased leaves are thickened, become brittle and easily broken. As far as the whole plant is concerned, only the heart leaves remain green, and the outer leaves are yellow and dry. Dark brown mold will appear in the later stages of the diseased leaves, and the leaves will wither and curl. The occurrence of the disease is closely related to the source of the poison, the number of aphids and the climatic conditions affecting the aphid activity. Generally, the central disease plant appears in mid-June, and occurs in mid-August. After September 10, the new diseased plant no longer appears. Linyi Fertilizer Network Copyright
When the locusts move into the sugar beet, they can be sprayed with 50% anti-Pu Wei WP 2000 times solution or 10% imidacloprid WP 2000-3000 times solution. In the early stage of the disease, it can spray potassium dihydrogen phosphate plus 20% toxic nemesis wettable powder 500 times solution, or 0.5% anti-toxic mushroom proteoglycan water agent (original anti-toxic agent No. 1 water agent) 250-300 times solution, or 20% Virus Ning water-soluble powder 500 times liquid control, promote the leaves turn green, stretch, reduce the harm. Linyi Fertilizer Network Copyright
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