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

PHOMA [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2019-08-26

English

Subject field(s)
  • Plant Diseases
  • Fungi and Myxomycetes
  • Oilseed Crops
DEF

A destructive disease of cabbage and other plants especially of the family Cruciferae caused by certain fungi ... and characterized by lesions in the stem near the soil surface that become sunken and dark and may girdle the stem.

CONT

Blackleg, also known as stem canker or phoma stem canker, is actually attributed to a complex of two species, [Leptosphaeria] maculans and [Leptosphaeria] biglobosa.

Key term(s)
  • black leg
  • black leg disease

French

Domaine(s)
  • Maladies des plantes
  • Champignons et myxomycètes
  • Culture des plantes oléagineuses
CONT

Le champignon Phoma lingam (stade sexué : Leptosphaeria maculans) provoque divers types de dégâts sur les crucifères et en particulier sur les choux et le colza : lésions sur feuilles, tiges et siliques, et surtout la nécrose du collet entraînant la disparition de la plante en hiver ou son dessèchement prématuré après la floraison.

OBS

jambe noire : terme à éviter lorsqu'il s'agit de crucifères. La jambe noire, d'origine bactérienne (Pectobacterium carotovorum), affecte principalement la pomme de terre. La maladie qui affecte les crucifères comme le colza et le canola, et qui porte aussi le nom «blackleg» en anglais, est plutôt d'origine fongique (Phoma lingam ou Leptosphaeria maculans).

Spanish

Campo(s) temático(s)
  • Enfermedades de las plantas
  • Hongos y mixomicetos
  • Cultivo de oleaginosas
OBS

El patógeno Erwinia puede causar tanto pudrición blanda en semillas como pata negra en tallos.

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Record 2 2007-07-12

English

Subject field(s)
  • Fungi and Myxomycetes
  • Plant Diseases
DEF

A genus of rapidly growing fungi that are common laboratory contaminants and common plant pathogens.

CONT

Phoma infection occurs throughout the growing season, although it is not usually noticed until the stem lesions become obvious later in the summer. The fungus overwinters in infected debris and is spread by splashing rain. Insects act as vectors of disease spread.

French

Domaine(s)
  • Champignons et myxomycètes
  • Maladies des plantes
DEF

Champignon parasite des plantes, dont les différentes espèces provoquent des dégâts variés (genre Phoma).

CONT

Parmi les principales espèces de phoma parasites des cultures, on peut citer : Phoma exigua, responsable d'une pourriture sèche («gangrène») du tubercule de pomme de terre; P. betae, de fontes de semis («pied noir») de la betterave; P. lingam de nécroses racinaires et de taches foliaires chez les crucifères, dont le colza; et P. apiicola, agent de la gale rugueuse du céleri-rave.

Spanish

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