Extracellular matrix (ECM) plays a very important role in the course of interaction between pistil and pollen, especially in recognition and guidance of pollen tube.

• 摘要雌蕊胞外基质对雌蕊与花粉的识别以及花粉管的定向生长有著重要的作用，是近年来植物生殖生物学的研究热点之一。