ACC Facilitates Fertilization (IMAGE) University of Maryland Caption ACC facilitates fertilization. The pollen tubes (stained in blue) fertilize only some of the ovules when there is less ACC. Successful fertilization is seen as blue dots inside the white ovules. Credit Dr. Wangshu Mou Usage Restrictions Appropriate credit given License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.