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

• 双生病毒是一类世界范围内广泛发生的具有孪生颗粒形态的植物单链DNA病毒,近年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。