This article gives a review on the research of plant stress messenger from the root and its production and transport, and the mechanism of the stomatal responses to the root messenger.

• 本文主要介绍了环境胁迫下，调控植物地上部的根源信使、信使的产生和传输以及气孔运动对根源信使的响应机制等方面的研究进展。