wein.plus
Attention
You are using an old browser that may not function as expected.
For a better, safer browsing experience, please upgrade your browser.

Log in Become a Member

Xylem

Part of the woody conductive tissue of higher plants; see there.

Designation for the tissue located in the cambium (growth layer beneath the bark) in higher plants. This facilitates the transport of water and the dissolved nutrients from the roots to the leaves and shoot tips. In a grapevine, this takes only a few minutes, while in trees it takes correspondingly longer (up to hours).

Transport

The transport occurs through two complementary processes. Water is absorbed in the roots through osmosis. The evaporation of water from the leaves creates a transpirational pull (negative pressure) that draws water up from the roots. There are two completely separate transport pathways.

Xylem and Phloem

The xylem (wood part, xýlon = wood) consists of wide and thick-walled tubes through which the water absorbed by the root hairs, along with the dissolved inorganic minerals, flows upward due to osmotic pressure. Parts of this form the...

Voices of our members

Roman Horvath MW

wein.plus is a handy, efficient guide to a quick overview of the colourful world of wines, winegrowers and grape varieties. In Wine lexicon, the most comprehensive of its kind in the world, you will find around 26,000 keywords on the subject of grape varieties, wineries, wine-growing regions and much more.

Roman Horvath MW
Domäne Wachau (Wachau)

The world's largest Lexicon of wine terms.

26,605 Keywords · 47,096 Synonyms · 5,317 Translations · 31,937 Pronunciations · 227,587 Cross-references
made with by our author Norbert F. J. Tischelmayer. About the Lexicon

EVENTS NEAR YOU

PREMIUM PARTNERS