In plant tissue, various conditions lead to accelerated generation and/or accumulation of ROS and subsequent PCD, for example ozone (O3) fumigation, cold stress, UV radiation and senescence.

• 在植物组织中, 有许多条件可导致加速ROS 和随后PCD的繁殖并且（或者）储积, 例如臭氧(O3) 熏蒸, 冷压力, 紫外辐射和衰老。