Black raspberry necrosis virus (BRNV) is a

plant pathogen Plant pathology (also phytopathology) is the scientific study of diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). Organisms that cause infectious disease include fungi, oomy ...

virus A virus is a wikt:submicroscopic, submicroscopic infectious agent that replicates only inside the living Cell (biology), cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and ...

of the genus ''Sadwavirus'' found in black raspberries (

rubus occidentalis ''Rubus occidentalis'' is a species of '' Rubus'' native to eastern North America. Its common name black raspberry is shared with other closely related species. Other names occasionally used include bear's eye blackberry, black cap, black cap r ...

). The virus causes leaf

chlorosis In botany, chlorosis is a condition in which leaves produce insufficient chlorophyll. As chlorophyll is responsible for the green color of leaves, chlorotic leaves are pale, yellow, or yellow-white. The affected plant has little or no ability to ...

mottling Mottle is a pattern of irregular marks, spots, streaks, blotches or patches of different shades or colours. It is commonly used to describe the surface of plants or the skin of animals. In plants, mottling usually consists of yellowish spots ...

and puckering. Affected plants typically fail to yield fruits after three to four years.

References

External links

ICTVdB - The Universal Virus Database: Black raspberry necrosis virus

Secoviridae Viral plant pathogens and diseases Raspberry diseases {{Virus-plant-disease-stub