Tenuivirus oryzabrevis
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rice plants in front row infected with the rice grassy stunt virus (click on image to enlarge it)
Authors: Il Ryong Choi and C Vera Cruz, IRRI
Source: IRRI Rice Knowledge Base
Authors: Il Ryong Choi and C Vera Cruz, IRRI
Source: IRRI Rice Knowledge Base
Tenuivirus oryzabrevis
Assigned virus:
• rice grassy stunt virus (RGSV)
The rice grassy stunt virus is found in south-eastern Asia and causes significant yield losses on rice in some areas like Vietnam. It is transmitted by the brown planthopper, Nilaparvata lugens. Management involves pesticide application against the vector. Resistant cultivars are under development.
The particles are thread-like, 6-8 nm wide and mostly circular with a length of up to 2,400 nm. The genome consists of 6 single stranded RNA segments which encode 12 proteins. Each segment has 2 open reading frames and an ambisense arrangement.
