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ascochyta blight of faba bean [1 record]

Record 1 2007-10-29

English

Subject field(s)
  • Plant Diseases
  • Plant and Crop Production
DEF

A fungal disease of faba beans caused by fungi Ascochyta fabae.

CONT

Ascochyta Blight of Faba Bean. Leaf spots are grey to brown, oval, and up to 1 cm in diameter with definite margins. Small, black pycnidia form in the center of lesions, often in a concentric ring pattern. Leaf spots may merge into irregular black patches causing a blighted appearance. Stem lesions are more elongated, usually sunken and reddish brown. Pod lesions are often sunken, tan to black, and frequently have darker margins. Infected seed may be discoloured and shrivelled.

French

Domaine(s)
  • Maladies des plantes
  • Cultures (Agriculture)
DEF

Maladie fongique de la féverole causée par le champignon Ascochyta fabae.

CONT

Ascochytose de la féverole. Les taches foliaires grises à brunes et ovales mesurent jusqu'à 1 cm de diamètre et présentent des contours définis. De petites pycnides noires se forment au centre des lésions, souvent sous forme d'anneaux concentriques. Les taches foliaires peuvent se fondre en zones noires irrégulières ressemblant à des brûlures. Sur la tige, les lésions sont plus allongées, habituellement renfoncées et brun rougeâtre. Sur les gousses, elles sont souvent renfoncées, de chamois à noir et leur contour est plus foncé. La maladie provoque la décoloration et le ratatinement des graines.

Spanish

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