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Weeds as potential reservoir of Radopholus similis in banana fields in Martinique

Quénéhervé Patrick, Chabrier Christian, Auwerkerken Annemie, Marie-Luce Serge. 2000. Weeds as potential reservoir of Radopholus similis in banana fields in Martinique. In : Annual Meeting of Organization of Nematologists of Tropical America, 32, Auburn, Etats-Unis, 16-20 April 2000. s.l. : s.n., 5 p. Annual Meeting of Organization of Nematologists of Tropical America. 32, Auburn, États-Unis, 16 Avril 2000/20 Avril 2000.

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Note générale : Poster de congrès

Résumé : During a survey of the nematodes associated with weeds in banana fields in Martinique, 37 weed species in 34 genera and 19 familles were collected to extract nematodes from the roots. Result of this survey showed that at least 20 weed species were host of #Radopholus similis#. Besides some peculiar good #R. similis# reservoir (e.g. #Phenax sonneratii#) most of the other good #R. similis# reservoirs (e.g. #Euphorbia heterophylla#, #Echinochloa colonna#, #Eleusine indica#, #Paspalum fasciculatum#, #Solanum torvum#) were consistently found within 3 familles, the #Euphorbiaceae#, #Poaceae# and #Solanaceae#. Nematode densities varied from 4 to a maximum of 1896 adults and juveniles per gram of dry root (e.g. #Echinochloa colonna#) with an overall mean density of 192 per gram of dry root when present. These results showed that weeds can be very significant reservoirs of #R. similis# in banana fields. This information is crucial to devise future appropriate nematode control measures as rotation crops and fallow before re-plantation with nernatode free planting material.

Mots-clés Agrovoc : Musa, mauvaise herbe, Radopholus similis, racine, plante hôte, lutte antinématode, infestation

Mots-clés géographiques Agrovoc : Martinique, France

Classification Agris : H10 - Ravageurs des plantes
H60 - Mauvaises herbes et désherbage

Auteurs et affiliations

  • Quénéhervé Patrick, IRD (MTQ)
  • Chabrier Christian, CIRAD-FLHOR-BPA (MTQ) ORCID: 0000-0001-6502-9822
  • Auwerkerken Annemie, IRD (MTQ)
  • Marie-Luce Serge, IRD (MTQ)

Autres liens de la publication

Source : Cirad - Agritrop (https://agritrop.cirad.fr/477589/)

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