Blueberry Shock Virus (BIShV)

Damage

Flowers and/or leaves blight and die, while stems remain green. Yield is reduced. Symptoms are nearly identical to Blueberry scorch, but blighting may occur slightly earlier. Symptoms appear at blossom and remain visible from spring to mid-summer.

Disease

BIShV is spread by pollen. Infected bushes will recover in 1-4 years, but will remain infected with the virus. This virus will slowly spread through an entire field.