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Araucaria angustifolia grafting: techniques, environments and origin of propagation material

dc.creatorWendling,Ivar
dc.creatorStuepp,Carlos A
dc.creatorZuffellato-Ribas,Katia C
dc.date2016-01-01
dc.date.accessioned2019-06-12T02:00:46Z
dc.date.available2019-06-12T02:00:46Z
dc.identifierhttps://scielo.conicyt.cl/scielo.php?script=sci_arttext&pid=S0717-92002016000200007
dc.identifier.urihttps://bibliotecadigital.infor.cl/handle/20.500.12220/28997
dc.descriptionAraucaria angustifolia (araucaria) is a remarkable species in the Mixed Ombrophilous Forest. The low germination of the stored seeds and its long reproductive cycle make grafting a good alternative for propagation, making possible to obtain genetically superior trees with early fruiting. However, araucaria grafting is still fraught with technical problems, culminating in low graft survival. With the objective to define and be able to explain the best methodology for the grafting of araucaria, we conducted studies based on five experiments evaluating the effects of: (I) environment and sex on graft survival; (II) methods of grafting and budding with shoots from stumps of stock plants; (III) techniques, indoor (nursery) and outdoor (directly in the field) grafting; (IV) budding with buds from different origins; and (V) chip budding with shoots from pruned apices of two ages stock plants. Graft survival was assessed throughout the experiments and the graft-union at the end. The use of controlled environments for grafting was favorable, especially in the glasshouse (64.1 % survival). Scions from female plants (55.5 % survival) showed higher suitability for grafting. Chip budding with shoots from pruned apices of 25 and 35-year-old stock plants showed survival of 87.5 % and 85.0 %, respectively. It is a technology that has unlimited potential for araucaria grafting, which may significantly contribute to its sustainable use.
dc.formattext/html
dc.languageen
dc.publisherUniversidad Austral de Chile, Facultad de Ciencias Forestales
dc.relation10.4067/S0717-92002016000200007
dc.rightsinfo:eu-repo/semantics/openAccess
dc.sourceBosque (Valdivia) v.37 n.2 2016
dc.subjectbudding
dc.subjectBrazilian pine
dc.subjectclonal propagation
dc.subjectseed orchard
dc.subjectcleft graft
dc.titleAraucaria angustifolia grafting: techniques, environments and origin of propagation material
dc.typeArtículo de revista


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