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ENFERMEDAD NEGRA [2 records]

Record 1 2016-10-31

English

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

Fusarium wilt of banana (Panama disease), caused by Fusarium oxysporum f.sp. cubense, is a soilborne systemic disease which occludes host vascular system.

CONT

Symptoms of the Panama disease include yellowing of leaves, or premature collapse of leaves ... Examination of a cross section of a pseudostem and/or corm reveals a characteristic discolouration of the vascular bundles, usually stained purplish-brown ... Sometimes the leaf sheaths loosen and/or the pseudostem splits. A severely infected plant fails to flower, or if it does, the bunch fails to develop and fill up.

OBS

Panama disease; Panama wilt: terms 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
  • Arboriculture fruitière
CONT

La maladie de Panama du bananier, causée par Fusarium oxysporum f.sp. cubense, est une maladie systémique qui obstrue le système vasculaire de l'hôte.

CONT

Le symptôme extérieur classique de la fusariose du bananier est constitué initialement par le jaunissement des marges des feuilles les plus anciennes [...] Le jaunissement s'étend des feuilles les plus anciennes aux plus jeunes. Progressivement, les feuilles s'affaissent au pétiole ou, plus généralement, vers la base de la nervure centrale et pendent, formant une jupe de feuillage mort autour du pseudo-tronc.

OBS

maladie de Panama; fusariose du bananier : termes extraits du «Glossaire de l’agriculture» et reproduits avec l’autorisation de l’Organisation de coopération et de développement économiques.

Spanish

Campo(s) temático(s)
  • Enfermedades de las plantas
  • Fruticultura
CONT

Allí también hacen notar que las dos principales amenazas son la Enfermedad o Mal de Panamá producida por el hongo Fusarium oxysporum que ataca el sistema vascular de la planta, y la sigatoka negra causada por el hongo Mycosphaerella fijiensis. En la página sobre el Mal de Panamá explican que esa enfermedad "es muy perjudicial en las plantaciones de bananos en el mundo, por las pérdidas cuantiosas que ha provocado especialmente en la zona altamente productora de la América Central".

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Record 2 2012-05-28

English

Subject field(s)
  • Beekeeping
  • Animal Diseases
DEF

A contagiously transmitted infection of adult bees caused by multiplication of chronic paralysis virus (CPV) primarily in the brain, nerve ganglia and in the hind-gut epithelium, ... common disease of adult bees that has striking, well-defined symptoms characterised by trembling, flightless individuals crawling on the ground beneath the colony entrance.

CONT

Chronic bee paralysis is a rather unusual disease caused by a rather unusual virus. ... Paralysis is the only common viral disease of adult bees whose symptoms include both behavioural and physiological modifications: trembling and hair loss. The disease often affects the strong colonies of an apiary and thousands of dead individuals are then observed in front of the hives.

CONT

The chronic paralysis is an infectious and contagious disease of adult honey bees caused by the chronic bee paralysis virus (CBPV). [It] has been given a variety of names such as “hairless black syndrome” ... and is the only common viral disease of adult bees that has well-described symptoms, which include abnormal trembling from wings and body. Some individuals become almost hairless and dark in appearance and suffer nibbling attacks from healthy bees of their colony. Affected bees become flightless, often crawling on the ground and on the stems of grass, sometimes in masses of thousands of individuals.

French

Domaine(s)
  • Élevage des abeilles
  • Maladies des animaux
DEF

Maladie infectieuse et contagieuse des abeilles adultes [...], due au virus de la paralysie chronique [...], les principaux symptômes [...] sont des tremblements du corps et des ailes (mouvement de chorée), des abeilles malades qui [...] sont rejetées par les gardiennes devant la ruche (comportement de houspillage). Des tapis d’abeilles mortes dont certaines ont les ailes écartées (ailes en croix) se constituent.

CONT

Maladie noire. [...] Cette maladie atteint seulement l’abeille adulte et touche les tissus nerveux et du tube digestif. L’abeille perds ses poils, le corps est plus petit car ne s’alimente que peu ou pas. Les abeilles ont un aspect noir et se font sortir par les autres de la ruche.

OBS

paralysie chronique en opposition avec la paralysie aiguë.

Spanish

Campo(s) temático(s)
  • Cría de abejas
  • Enfermedades de los animales
DEF

[Enfermedad producida por un virus que ataca] abejas adultas [las cuales presentan] sintomatología nerviosa, arrastrándose, temblores, incapacidad de volar, encontrándose abejas oscuras (negras), alopécicas y de superficie brillante, con menor tamaño al promedio, las cuales [son] rechazadasen la piquera al tratar de ingresar.

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