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Évaluer l’acceptabilité par les agriculteurs d’innovations variétales et agronomiques pour maîtriser les nématodes à galles en maraîchage sous abri (le projet GEDUNEM)

Abstract : Root-knot nematodes (RKN, Meloidogyne spp.) is a major disease in sheltered vegetable crops, present on about 40% of the southern France farms (survey 2007 -2010). As most chemical nematicide products are now banned, it is necessary to find alternative solutions using agronomical techniques. New prototypes of cropping systems have been built previously in a participatory research involving scientists and technical advisors. They are based on RKN varietal resistances and on crop rotations alternating host, non-host species, soil solarisation and nematicide green manure. The Gedunem project aims at assessing the agronomical and nematological effects of these cropping systems (Caporalino et al 2014, same symposium), their mid-term sustainability, and their acceptability by farmers. The oral presentation illustrates this latter question. We compared the 3 cropping systems currently under trial and the actual cropping systems of 28 market-gardeners (Furnion 2014). Farmers were asked to explain if the 3 prototypes were acceptable or not depending on their own farm constraints and strategy. The major bottlenecks that were identified are the cost and time required for some practices (such as the use of resistant pepper as a trap-crop), and the availability of free land in summer on some crop rotations. Moreover the nature and intensity of the bottlenecks depend on the type of farm and the farmers’ motivation to innovate. This study enables to highlight how to adapt the present prototypes in order they may be implemented more easily on commercial farms.
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https://hal.inrae.fr/hal-02800553
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Submitted on : Friday, June 5, 2020 - 7:31:21 PM
Last modification on : Monday, March 1, 2021 - 10:56:03 AM

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  • HAL Id : hal-02800553, version 1
  • PRODINRA : 347707

Citation

Mireille Navarrete, Claudine Furnion, Caroline Djian-Caporalino, Arnaud Dufils, Philippe Castagnone, et al.. Évaluer l’acceptabilité par les agriculteurs d’innovations variétales et agronomiques pour maîtriser les nématodes à galles en maraîchage sous abri (le projet GEDUNEM). Les Rencontres du Végétal, AGROCAMPUS OUEST. FRA., Jan 2015, Angers, France. 10 p. ⟨hal-02800553⟩

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