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单词 Barley mosaic virus
释义

Barley mosaic virus

英语百科

Barley yellow mosaic virus

Symptoms of barely yellow mosaic virus on barley cultivar Igri.
This picture shows resting spores of Polymyxa graminis, the vector of Barley Yellow Mosaic Virus.
Patches of barley yellow mosaic virus in field of barley, cultivar Panda, growing at Hemel Hempstead, UK.
This image shows Barley being harvested: it is an important crop in several countries but can be destroyed by Barley Yellow Mosaic Virus

Barley yellow mosaic virus is plant pathogenic virus that causes the yellow mosaic disease of barley. Its shape is categorized as being flexuous filamentous, with lengths of 275 and 550 nanometers. The virus has a limited host range, and barley appears to be the only known susceptible host. The virus is transmitted via Polymyxa graminis, which is a plasmodiophorid protist, through the resting spores that survive in the soil, and eventually zoospores. Eastern Asia is the most affected region, but the virus can be found worldwide. Current agricultural practices have been ineffective at eliminating the virus, but breeding resistance appears to be the only way to help reduce the disease.

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