-Introduction. The branches of camu-camu should start sprouting from its base, in order to be positively related to a fruit yield increase. The objective of this study was to consider how plant growth and fruit yield varied according to the plantation type and crop management system. Materials and methods. The growth of the crown and fruit production under different types of plantations originating from cuttings, grafts or seedlings, and seed plantation management: fertilization, pruning and planting different densities, were compared. Results and discussion. Cutting plants formed more branches than those originating from grafting, regardless of the origin of the grafted scion. In seed plantations, zero fertilization and pruning had no effect on the formation of basal branches, but pruning delayed fruit production. Plantations with three plants per hole produced significantly greater numbers of basal branches, but further evaluation is necessary to analyze the effect of this on fruit production. Conclusion. Cutting plantations are technically more desirable than grafting ones because camu-camu trees have better branching from the base. In seed plantations, the selection of plants for their abundant branching from the base is technically feasible. In addition, planting three plants per hole seems promising for improving branching.Keywords: Brazil / Amazon / camu-camu / Myrciaria dubia / crop management / fruiting / plant growth form / pruning Résumé -Un plus grand nombre de branches permet-il d'améliorer le potentiel de production fruitière du camucamu ? Expérimentation de différents types de plantation et de gestion des cultures. Introduction. Pour être plus productives en fruits les branches du camucamu doivent partir de la base de la plante. L'objectif de cette étude était d'examiner comment la croissance des plantes et le rendement en fruits variaient selon le type de plantation et le système de gestion des cultures. Matériel et méthodes. Les paramètres de croissance de la couronne et de production de fruits ont été observés dans des plantations issues de plants bouturés, greffés ou de semis ; et dans la plantation issue de plants de semis, les effets de la fertilisation, de la taille et de la densité de peuplement ont été comparés. Résultats et discussion. Les plantes issues de bouturage ont formé plus de branches que celles provenant de greffage, indépendamment de l'origine du greffon. Dans les plantations issues de semis, l'absence de fertilisation et la taille n'ont eu aucun effet sur la formation de branches basales, bien que la taille a retardé la production de fruits. Les plantations avec trois plants par trou ont produit un nombre de branches basales significativement plus grand, mais une analyse plus approfondie de l'effet de ce traitement sur la production de fruits est nécessaire. Conclusion. Utiliser des plants bouturés est techniquement plus souhaitable que des plants greffés pour une meilleure ramification basale des camucamu. Dans les plantations issues de semis, la sélection des plant...
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