TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

BROWN HEART [3 records]

Record 1 2017-04-13

English

Subject field(s)
  • Xylology (The Study of Wood)
  • Silviculture
DEF

An abnormal condition in wood that often causes it to break across the grain when the piece is bent or receives a sharp blow.

OBS

The condition is typical of all tension wood, and of "brown heart" in yellow birch.

French

Domaine(s)
  • Xylologie (Étude des bois)
  • Sylviculture
DEF

Condition anormale, dans le bois, qui le fait souvent casser transversalement lorsque la pièce est courbée ou qu'elle reçoit un coup dur.

OBS

Cette condition est typique du bois de tension et du cœur brun du bouleau jaune.

Spanish

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Record 2 2017-04-13

English

Subject field(s)
  • Plant Diseases
CONT

Boron Deficiency. A small quantity of boron is required for normal growth of most plants. For some there is not much leeway between necessary and toxic amounts; other plants require or tolerate large amounts. Deficiency symptoms vary with the crop... Beets, turnips, other root crops. Black Heart, Brown Heart. Roots have dark spots; plants are gradually stunted and dwarfed; leaves are small, variegated, twisted. The interior of the beet or turnip has a dark brown to nearly black water-soaked area, sometimes with a hollow center. The amount of borax that can be added without injury depends on type of soil and moisture content.

French

Domaine(s)
  • Maladies des plantes
CONT

Le manque de bore cause la maladie du «cœur brun» ou «pourriture du cœur» de la betterave. Les feuilles du cœur se développent mal, brunissent et meurent. Une déficience grave se marque par un noircissement subséquent du tissu intérieur, sous la couronne des feuilles. Une vacuole noire se forme, progressant vers l'intérieur de la racine. Parfois, de petites feuilles déformées se développent sur les bords de la vacuole. Lutte : l'application de borax, à raison de 20 à 25 kg/ha, doit être effectuée avant semis ou après la levée.

Spanish

Campo(s) temático(s)
  • Enfermedades de las plantas
Save record 2

Record 3 2001-09-03

English

Subject field(s)
  • Nervous System
  • Biochemistry
DEF

Brown pigment granules representing lipid-containing residues of lysosomal digestion and considered one of the aging or "wear and tear" pigments; found in liver, kidney, heart muscle, adrenal, and ganglion cells.

French

Domaine(s)
  • Système nerveux
  • Biochimie
OBS

Avec l'âge, les neurones se chargent d'innombrables granules cytoplasmiques qui contiennent de la lipofuscine.

Spanish

Save record 3

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