Bioprotection of pineapple in ecological cropping systems

Soler Alain, Marie-Alphonsine Paul-Alex, Corbion Claudine, Fernandes Paula, Portal González Nayanci, Gonzalez R., Repellin Anne, Declerck Stéphane, Quénéhervé Patrick. 2016. Bioprotection of pineapple in ecological cropping systems. In : Proceedings of the IV International Symposium on Papaya, VIII International Pineapple Symposium, and International Symposium on Mango : XXIX International Horticultural Congress on Horticulture : Sustaining lives, livelihoods and landscapes (IHC 2014), Br. Drew R. (ed), Fitch M. (ed.), Zhu J. (ed.), Sanewsi G. (ed.), Ko L. (ed.), Smith M. (ed.), Bartholomew D. (ed.), Honsho C. (ed.). ISHS. Louvain : ISHS, pp. 159-169. (Acta Horticulturae, 1111) ISBN 978-94-6261-105-4 International Symposium on Papaya. 4, Brisbane, Australie, 17 August 2014/22 August 2014.

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Additional Information : A l'occasion de ce congrès, s'est également déroulé le 8th International Pineapple Symposium, 29th International Horticultural Congress-IHC 2014 et ISHS-Section Tropical and Subtropical Fruit, 17-22 août 2014, Brisbane, Australie

Abstract : Monoculture and intensive use of pesticides have reduced the biodiversity of agrosystems and increased the imbalance between pathogenic and beneficial organisms. In the past, pineapple pests were generally controlled by pesticides, but today very few pesticides are authorized. In fragile environments like in the French Antilles, there is a growing public demand for the prevention of environmental risk. Agricultural research is responding by designing new cropping systems based on the ecological intensification of farming practices and alternative ways of managing pests. In Martinique, our strategy is based on agrosystems with increased biodiversity, restored ecosystem functions, enhanced bioregulation and beneficial interactions between plants and microorganisms, including natural defenses (systemic resistance). The aim of our current work is to answer two needs and to confirm several hypotheses:!) reduce pathogenic inoculum by using non-host rotation plants selected for their functional traits (non-host status, biomass production, balanced rhizosphere microflora); 2) select crop cultivars that are able to develop systemic resistance and to adapt their metabolism to environmental changes: we hypothesize a relationship between plant adaptability to biotic (defense genes) and abiotic stresses (genes for cysteine-proteases and their inhibitors, phytocystatins); 3) The reliability of systemic resistance at field level depends ona plant's ability to tolerate pathogens despite abiotic stresses, since such stresses may interfere; 4) Pineapple root system naturally bear diazotrophic bacteria ( endophytic) that are potential inducers of systemic resistance. Finally, we aim to design cropping systems that reduce soil borne pests before the pineapple crop is planted, and to create an environment that subsequently both enables bioregulation and reduces re-infestation of pineapple by the parasite. (Résumé d'auteur)

Classification Agris : H10 - Pests of plants
F08 - Cropping patterns and systems

Auteurs et affiliations

  • Soler Alain, CIRAD-PERSYST-UPR Systèmes de culture bananes et ananas (MTQ)
  • Marie-Alphonsine Paul-Alex, CIRAD-PERSYST-UPR Systèmes de culture bananes et ananas (MTQ)
  • Corbion Claudine, CIRAD-PERSYST-UPR Systèmes de culture bananes et ananas (MTQ)
  • Fernandes Paula, CIRAD-PERSYST-UPR HortSys (MTQ) ORCID: 0000-0001-7668-8700
  • Portal González Nayanci, Universidad de Ciego de Avila (CUB)
  • Gonzalez R., Universidad de Ciego de Avila (CUB)
  • Repellin Anne, Université Paris-Est (FRA)
  • Declerck Stéphane, UCL (BEL)
  • Quénéhervé Patrick, IRD (MTQ)

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