AUTHOR=Mezzetti Bruno , Fladung Matthias , Sweet Jeremy TITLE=Editorial: Advances and Challenges of RNAi Based Technologies for Plants JOURNAL=Frontiers in Plant Science VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2021.680242 DOI=10.3389/fpls.2021.680242 ISSN=1664-462X