中文摘要：

脱落酸、乙烯、多胺和细胞分裂素等是与植物抗旱性关系较为密切的几种植物激素。文章就植物在遭受干旱胁迫时其体内激素变化及喷施植物生长调节剂对植物抗旱性的影响进行概述，为生化调控植物抗旱性提供参考。

英文摘要：

Abscisic acid, ethylene, polyamines and cytokinins are several plant hormones which close to plant drought resistance. In this paper, changes of plant hormone levels under drought stress and effects of plant growth regulator on drought resistance of plants were reviewed in order to provide reference for the biochemical regulation of plant drought resistance.