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

双生病是一类世界范围内广泛发生有生颗粒形态植物单链DNA病,来已在多种作物上造成毁灭性危害,给作物生产造成了严重损失。