Geminiviruses are a group of plant viruses occurred worldwide and characterized by their unique twinned particles, which encapsidate a circular single-stranded DNA genome.

双毒是一类世界范围内广泛发具有孪颗粒形态植物单链DNA毒,近年来已在多种物上造成毁灭性危,物产造成了严重损失。