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ACTION AIGUE [1 record]

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Record 1 2010-04-19

English

Subject field(s)
  • Effects of Pollution
  • Plant Diseases
CONT

Many plants are sensitive to SO2 in the atmosphere and show damage at low concentrations. For broad-leaved plants, acute injury takes the form of lesions on both upper and lower surfaces, usually between the veins ... In conifers, acute injury usually appears as a bright orange-red tip necrosis on current-year needles. [Source : Envirotips Manual on "Sulphur Dioxide", 1985, p. 65].

French

Domaine(s)
  • Effets de la pollution
  • Maladies des plantes
CONT

Dans le cas des plantes latifoliées, l'action aiguë du gaz sulfureux se manifeste par des lésions internervaires sur les faces supérieure et inférieure des feuilles [...] chez les conifères, l'action phytotoxique aiguë se traduit par une nécrose [...] [Source : Enviroguide "L'anhydride sulfureux 1985, p. 63].

OBS

L'action toxique d'un polluant se manifeste par un dommage aigu traduisant une réaction aiguë.

Spanish

Campo(s) temático(s)
  • Efectos de la polución
  • Enfermedades de las plantas
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