1. The aecidiospores are released from the pustules and can infect the host plant, initiating a new cycle of infection.
（aecidiospores从小疙瘩中释放出来，可以感染寄主植物，开始新一轮的感染周期。）

2. The aecidiospore stage is often characterized by bright orange or yellow pustules on the leaves of infected plants.
（aecidiospore阶段通常以感染植物叶片上明亮的橙色或黄色小疙瘩为特征。）