答辞与地衣是皖南山区老茶园中发生极为普遍的两种寄生性植物。它们附生在茶树枝干上，吸取茶树养料，严重影响茶树的正常生长发育，使茶叶的产量、质量明显下降。苔薛、地衣的大量寄生，常使受害茶树逐渐衰枯死亡，还为茶树病虫害潜伏越冬提供了方便场所，因此应该及时防治。 The replies and the lichens are two parasitic plants that are extremely prevalent in old tea gardens in the mountains of southern Anhui. They are attached to the stems of tea branches, draw tea nourishment, seriously affecting the normal growth and development of tea, so that tea yield, quality decreased significantly. Moss Xue, a large number of lichens parasitic, often causing the tea tree damage gradually died of death, but also for the lodging of tea tree pests and lurking over the winter to provide a convenient place, it should be timely control.