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 ...

Plant and Soil, Vol. 155/156, Selected papers from the PROCEEDINGS OF THE TWELFTH INTERNATIONAL PLANT NUTRITION COLLOQUIUM (October 1993), pp. 273-276 (4 pages) Xylem sap of sinker (tap) root, cluster ...

You probably don’t think you need a botany lesson when all you want to know is how to keep your Christmas tree fresh this season. But explaining a few things might make the whole process make sense.

Figure 1: Phloem and xylem transport in plants. Plants possess different transport systems that can be classified according to the distance and the direction of transport. To assure that the ...

Circular patches of bark were surgically isolated on the sides of sugar maple (Acer saccharum Marsh.) trees at breast height at various times during the dormant and growing seasons. Subsequently, ...

Owing to recent advances, plant vascular developmental can now be described from early specification during embryogenesis up to late differentiation events. Plant vascular tissues display both ...

Plants come in all shapes and sizes, allowing them to fit into unique niches in the landscape, but they can be quite complex organisms. In order to select the most appropriate plants for a given ...

Just like animals, plants are made of tiny little cells. Like animal cells, basic plant cells have a nucleus, a cell membrane and cytoplasm. They've also got a vacuole, chloroplasts and a cell wall, ...

Phloem diseases, including the economically devastating citrus greening, are particularly difficult to study because phloem cells -- essential for plant nutrient transport -- are difficult to access ...