Construct · 1 fields · 1 citations

girdling: a standalone construct

One name. One construct. A landmark on the map.

● anchor · a standalone construct Nearest construct by meaning·not indexed
girdling1 CONSTRUCTGirdling (phloem)NOEL · PHLOEM CUT

A single standalone construct; nearby constructs are located against it in the Collider. Tap a field for its definition, unit, and measures.

Plant physiology

removing a complete ring of bark and phloem around a stem, cutting downward sugar transport while leaving the xylem intact.

Girdling is the removal of a complete ring of bark and phloem around a stem, which severs the downward transport of sugars while leaving the xylem intact, so carbohydrates accumulate above the ring and the roots below are gradually starved. Noel's 1970 review The girdled tree synthesises the anatomy and physiology of this interruption and the plant's wound responses to it. This phloem-interruption mechanism is the single construct that recurs, identically, when foresters use it to kill trees and when growers use it to size fruit.[1]

Unit
The interruption of phloem transport around a stem
Recovery means
A narrow girdle may callus over and reconnect; a complete, wide girdle does not heal and the top eventually dies
Measured by
Tracked by carbohydrate build-up above the cut, root starvation below, and whether the wound calluses over

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Nearby constructs

caesura1 fields · 1 citationsanchor · a standalone constructcomposition3 fields · 3 citationsjingle · one word, three constructs

References

  1. Noel, A. R. A. (1970). The girdled tree. The Botanical Review, 36(2), 162–195. https://doi.org/10.1007/bf02858959

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