Sorghum mosaic disease

Symptoms Symptoms appear irregularly oval to oblong-spotted, pale green, parallel to the midrib, but not limited by veins. Newly developed young leaves have obvious symptoms. Some breeds produce necrotic spots, phloem necrosis, leaf distortion, and some dwarfing. Distributed throughout the country.

pathogen. Sugarcane mosaic virus referred to as ScMV, called sugarcane mosaic virus, belongs to the potato virus Y group. Viral body rods, size 62015 (nm), passivation temperature 53-55 °C, dilution limit 100-1000 times, 20 °C in vitro survival period of 1-2 days, a 6 °C low temperature for 27 days. Viruses have strain differentiation, and there are three strains reported in Taiwan.

Transmission routes and morbidity conditions Mediators are mainly locusts, and sap can also be transmitted. The incidence of spring sowing sorghum was affected by the number of wintering sources and the number of aphids in early spring. There is a significant difference in disease resistance among varieties.

See control methods for sorghum dwarf mosaic disease.

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Heterocyclic Compounds

Heterocyclic Compounds,Cyclopropanecarboxylic Acid,Benzenedithiol Dihydrochloride

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