TERMIUM Plus®

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

DOWNY MILDEW GRAPE [2 records]

Record 1 2016-10-26

English

Subject field(s)
  • Plant Diseases
  • Viticulture
CONT

Downy mildew of grape can be a serious disease in ... vineyards. This fungus disease develops whenever weather during the growing season is moist and temperatures are cool to moderate. The downy mildew fungus attacks leaves, fruit, shoots and tendrils. The disease may cause premature defoliation in mid to late summer that results in a weakening of the plant and reduced sugar content of the fruit.

OBS

On leaves, young infections appear as very small, greenish-yellow, translucent spots that are difficult to see. With time, the lesions enlarge and a white moldy growth composed of fungus threads (mycelium) and spores form on the undersides of the leaves. If lesions are numerous they may merge and cover most of the leaf. Infected leaves eventually turn brown, become dry and drop. Exposed berries may be scalded by the sun. If vines are defoliated before the ripening period, grapes may not mature normally.

OBS

downy mildew of grape: term extracted from the “Glossaire de l’agriculture” and reproduced with permission of the Organisation for Economic Co-operation and Development.

French

Domaine(s)
  • Maladies des plantes
  • Viticulture
CONT

Le mildiou de la vigne est une maladie indigène de l'Amérique du Nord causée par le champignon Plasmopara viticola. Cette maladie infecte la plupart des espèces du genre Vitis (vigne). Les cultivars de l'espèce vinifera y sont très sensibles alors que les espèces sauvages y sont relativement résistantes. Le mildiou peut causer des dommages directs à la vigne en provoquant la déformation des pousses, des vrilles et des grappes ou en provoquant la chute prématurée des feuilles, ce qui retarde le mûrissement des fruits et augmente la vulnérabilité de la vigne aux blessures par l'hiver.

OBS

mildiou de la vigne : terme extrait du «Glossaire de l’agriculture» et reproduit avec l’autorisation de l’Organisation de coopération et de développement économiques.

Spanish

Campo(s) temático(s)
  • Enfermedades de las plantas
  • Viticultura
Save record 1

Record 2 2007-07-11

English

Subject field(s)
  • Plant Diseases
  • Culture of Fruit Trees
  • Viticulture
DEF

Disease of grapes caused by the fungus Plasmopara viticola.

CONT

Downy mildew (DM) of grapes occurs in most parts of the world where grapes are grown, but favors those regions that experience warm, wet conditions during the vegetative growth of the vine ... Downy mildew affects the leaves, fruit, and shoots of grapevines. Losses occur through death of leaf tissue, low-quality fruit, and weakened young shoots.

French

Domaine(s)
  • Maladies des plantes
  • Arboriculture fruitière
  • Viticulture
CONT

Plasmopara viticola est le champignon responsable d'une maladie fongique de la vigne, qui attaque les organes verts de la vigne et vie à l'intérieur de la plante, connue sous le nom de mildiou de la vigne.

CONT

Le mildiou de la vigne est [...] une maladie grave de la vigne sévissant dans toutes les régions viticoles françaises. Elle se manifeste d'abord par des tâches huileuses, puis chlorotiques apparaissant sur les feuilles. Les baies sont aussi affectées.

Spanish

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

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