Symptoms of plants are reddened or yellowed, affecting fruitfulness. It is a common viral disease in the distribution areas of millet and sorghum in northern China. The incidence of strains was 0.2% to 5%. The seedlings suffer from heavy death and light growth abnormalities. The diseased plants before and after heading showed purple or abnormal yellow, short head and neck, and dwarfing, resulting in some spikelets or the whole plant was not true.
Pathogens See millet leaf disease.
Transmission routes and disease conditions depend mainly on corn borer, wheat borer borer, and wheat bifurcation.
Control methods (1) selection of disease-resistant varieties. (2) Spraying drugs eliminates aphids. (3) If necessary, spray anti-virus (0.5% mushroom proteoglycan) 300 times liquid or 20% virus A wettable powder 500 times. The sowing of spring broad beans is appropriate late sowing, and the winter broad bean avoids late sowing. (3) Strengthen field management to avoid over-drying and over-wetting of soil, increase superphosphate, and increase host resistance to disease. (4) Seed treatment: Seed weight 0.3% of 40% seed dressing double powder or 50% thiram wettable powder dressing. (5) The nursery bed can be mixed with 40% pentachloronitrobenzene powder and 50% thiram wettable powder 1:1. Mix 8g per m2 with 10-15kg of fine soil. Take 1/3 of the coating before sowing. 2/3 Cover on the seeds. (6) Begin spraying 58% metalaxyl MnZn WP 500 times or 75% chlorothalonil WP 600 to 700 times, 20% CK, 1100 to 1200 times, 72.2 % Preclosure water-soluble liquid 600 times, 5% Jinggangmycin water 40-50mg/kg, every 7 days, 1 or 2 times.
Antiviral:
Antiviral drugs are a class of medication used specifically for treating viral infections. Like antibiotics and broad-spectrum antibiotics for bacteria, most antivirals are used for specific viral infections, while a broad-spectrum antiviral is effective against a wide range of viruses. Unlike most antibiotics, antiviral drugs do not destroy their target pathogen; instead they inhibit their development.
Antiviral drugs are one class of antimicrobials, a larger group which also includes antibiotic (also termed antibacterial), antifungal and Antiparasitic Drugs, or antiviral drugs based on monoclonal antibodies. Most antivirals are considered relatively harmless to the host, and therefore can be used to treat infections. They should be distinguished from viricides, which are not medication but deactivate or destroy virus particles, either inside or outside the body. Antivirals also can be found in essential oils of some herbs, such as eucalyptus oil and its constituents.Related Products:antiviral drugs,anti-cancer drugs.
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