Shen, Si, Zhang, Li, Liang, Xue-Gui, Zhao, Xue, Lin, Shan, Qu, Ling-Hua, Liu, Yun-Peng, Gao, Zhen, Ruan, Yong-Ling, Zhou, Shun-Li. Oxford University Press; 2018. Delayed pollination and low availability of assimilates are major factors causing maize kernel abortion.