Propagation of macadamia (Macadamia integrifolia Maiden & Betche) by cuttings

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dc.creatorVitor Hugo Domingos da Silva
dc.creatorMariana Nunes Vieira de Melo
dc.creatorGabriel Constantino Blain
dc.creatorMarcos José Perdoná
dc.creatorGraciela da Rocha Sobierajski
dc.date2021
dc.date.accessioned2026-07-07T02:44:12Z
dc.descriptionMacadamia trees require a long period for flowering when propagated by seeds. To anticipate the yield, maintain cultivar characteristics, and increase the homogeneity of nut quality, it is essential to establish orchards with grafted trees. Although semi-hardwood cutting propagation tests have been performed in Brazil, no method has been shown to be appropriate at a large scale due to the difficulties in implementation of techniques or the high cost. Establishing an effective and affordable protocol may provide great improvement to this productive chain since it will meet the demand of nurseries and stimulate the expansion of orchards. The aim of this study was to develop a protocol for macadamia semi-hardwood cutting propagation. Six cultivars (HAES 344, HAES 816, HAES 660, IAC 4-12B, IAC 9-20, and IAC 4-20) were evaluated and selected because of their ample cultivation in Brazil. The propagation material was collected for four months (October and November 2018, and February and March 2019). The semi-hardwood cuttings were also soaked in indole butyric acid (IBA) at three different concentrations (0, 5, or 10 g L-1) and in the commercial product Clonex®. The experiment was arranged in a two-way completely randomized design with four replicates and data were analyzed by R software. The cultivar IAC 4-12B showed the highest index for root development (37.0%). The treatments did not show significant differences between IBA doses and Clonex® for root development (IBA 10 g L-1 - 31.5%, Clonex® - 29.4%, and IBA 5 g L-1 - 27.4%). November was the best cutting season for root development of semi-hardwood cuttings (10.0%).
dc.formatapplication/pdf
dc.identifier0120-9965
dc.identifierhttps://www.redalyc.org/articulo.oa?id=180376043016
dc.identifierhttps://www.redalyc.org/journal/1803/180376043016/
dc.identifierhttps://www.redalyc.org/journal/1803/180376043016/html/
dc.identifierhttps://www.redalyc.org/journal/1803/180376043016/180376043016.epub
dc.identifierhttps://www.redalyc.org/journal/1803/180376043016/movil
dc.identifier10.15446/agron.colomb.v39n1.90005
dc.identifier.urihttp://hdl.handle.net/123456789/422261
dc.languageen
dc.publisherUniversidad Nacional de Colombia
dc.relationhttp://www.redalyc.org/revista.oa?id=1803
dc.rightsAgronomía Colombiana
dc.sourceAgronomía Colombiana (Colombia) Num.1 Vol.39
dc.subjectAgrociencias
dc.titlePropagation of macadamia (Macadamia integrifolia Maiden & Betche) by cuttings
dc.typeartículo científico

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Agronomía Colombiana - Universidad Nacional de Colombia