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Impact of okra leaf curl disease on morphology and yield of okra

Tiendrebeogo Fidèle, Traoré Edgar Valentin, Lett Jean-Michel, Barro Nicolas, Konaté Gnissa, Traoré Alfred S., Traoré Oumar. 2010. Impact of okra leaf curl disease on morphology and yield of okra. Crop Protection, 29 (7) : 712-716.

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Quartile : Q2, Sujet : AGRONOMY

Résumé : The impact of okra leaf curl disease on four accessions of a local okra cultivar and four commercial okra cultivars was assessed in field conditions from June to October in 2007 and 2008. Disease incidence varied from 68.5% to 72.5% among accessions of the local cultivar while commercial cultivars were much less infected (8.7-16.2%). Diseased plants of the local cultivar suffered more reduced growth (58% reduction) than those of the commercial cultivars (39.6%). The number of marketable fruits per plant, the fruit length, fruit diameter and fruit weight which were subject to reductions of 26-61%, 19-64%, 6-42% and 23-63%, respectively. The overall yield losses were significantly higher in accessions of the local cultivar (26-55%) than in the commercial ones (4.4-9.6%). The average economic losses for one hectare of crop were estimated at of 11,100 USD and 1950 USD, respectively for the local and the commercial cultivars.

Mots-clés Agrovoc : Abelmoschus esculentus, enroulement des feuilles

Mots-clés géographiques Agrovoc : Burkina Faso

Classification Agris : H20 - Maladies des plantes

Champ stratégique Cirad : Axe 1 (2005-2013) - Intensification écologique

Auteurs et affiliations

  • Tiendrebeogo Fidèle, Université de Ouagadougou (BFA)
  • Traoré Edgar Valentin, INERA (BFA)
  • Lett Jean-Michel, CIRAD-BIOS-UMR PVBMT (REU)
  • Barro Nicolas, Université de Ouagadougou (BFA)
  • Konaté Gnissa, INERA (BFA)
  • Traoré Alfred S., Université de Ouagadougou (BFA)
  • Traoré Oumar, INERA (BFA)

Autres liens de la publication

Source : Cirad - Agritrop (https://agritrop.cirad.fr/555567/)

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