One goes up... and one goes down. I was a college freshman in Botany 101 when I first learned about xylem and phloem, the two transport tissues which carry water and nutrients up and down a tree's ...

The cambium and its "zone" is a cell generator (reproductive tissue called growth meristem) that produces both the inner bark cells of the phloem and new living wood cells in the xylem.

The two tissue types that comprise the conducting system of plants are the xylem and phloem (zigh-lem and flow-um). Both tissues are found throughout the plant, carrying substances to and from ...

Students could view vessels of celery left to stand in food colouring with a hand lens and use a light microscope to look at prepared slides of the xylem and phloem to compare their structure.

and dicots (most trees, shrubs and other broadleaf plants), and this has some significant implications on the overall vascular system structure; each of these has both xylem and phloem tissues ...

Numerous insects and pathogens extract nutrients from phloem tissue buried deep inside plants. These phloem-feeding insects and pathogens cause tremendous economic losses worldwide and represent ...

Phloem production in Huanglongbing-affected citrus trees Date: March 26, 2014 Source: American Society for Horticultural Science Summary: Researchers monitored the progression of phloem production ...