https://www.frontiersin.org/journals/forests-and-global-change/articles/10.3389/ffgc.2019.00020/full
Frontiers | 11C-Autoradiographs to Image Phloem Loading
Generally, tree species load photoassimilates passively into the phloem, while herbaceous species load actively. These phloem loading strategies have implica...
frontiers11cautoradiographsimagephloem