AUTHOR=Matsubara Kazuki TITLE=How Hybrid Breakdown Can Be Handled in Rice Crossbreeding? JOURNAL=Frontiers in Plant Science VOLUME=11 YEAR=2020 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2020.575412 DOI=10.3389/fpls.2020.575412 ISSN=1664-462X ABSTRACT=

In crosses between genetically divergent parents, traits such as weakness and sterility often segregate in later generations. This hybrid breakdown functions as a reproductive barrier and reduces selection efficiency in crossbreeding. Here, I provide an overview of hybrid breakdown in rice crosses and discuss ways to avoid and mitigate the effects of hybrid breakdown on rice crossbreeding, including genomics-assisted breeding.