This is a preview. Log in through your library . Abstract The regulatory effect of cytokinin on the formation of secondary xylem fibers was studied in the hypocotyl of young Helianthus annuus L.

In nature, angiosperm trees develop tension wood on the upper side of their leaning trunks and drooping branches. Development of tension wood is one of the straightening mechanisms by which trees ...

Xylem vessel pits are tiny openings on the cell wall of water-conducting cells—with pit geometry influencing crop yield through its effect on plant hydraulics and nitrogen transport. Researchers from ...

Norway spruce is a large coniferous tree native to Northern, Central, and Eastern Europe. Conifers make up a considerable portion of the terrestrial biomass and serve as a significant carbon sink, ...