High-molecular-weight fluorochromes were intracellularly injected into a sieve element of the fascicular stem phloem of Vicia faba L., using a modified membrane-potential-recording pressure probe.

This is a preview. Log in through your library . Abstract The secondary phloem of apple consists of sieve-tube elements, companion cells, phloem parenchyma cells, fiber-sclereids, and ray parenchyma ...

Such long-distance transport of FT involves four steps: (1) loading (translocation of FT from the phloem companion cell to the sieve element); (2) transport (actual long-distance travel of FT protein ...