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Grafting of australian purple passion fruit progenies in different native species

Purple passion fruit (Passiflora edulis), even though is unknown in Brazil, can be an alternative income for the farmers due to good price and acceptance by the European market. Aiming to evaluate the production of clonal nursery plants of Australian purple passion fruit it was realized at the Fruit Section of University of Brasília an experiment from May 2005 to February 2006. Randomized blocks were used with 3 replications in a factorial arrangement 7 x 2 x 3 with 7 rootstock, 2 varieties and 3 periods of evaluation, where each parcel had 3 plants. P. edulis f. flavicarpa, P. serrato digitata, P. nitida, P. coccinea, (P. coccinea X P. setacea), P. quadrangularis, P. edulis e P. edulis f. flavicarpa 'EC-2-0' were used as rootstock and as a scion the purple passion fruit '96A' and '25' from Australia. The rooted rootstock was transferred to plastic bags and kept under misting condition and grafted 30 days later. The rooting success rate was evaluated 31 and 61 days after grafting (DAG). The scion/rootstock combination ("25" and "96 A" X P. nítida) followed by ("25" and "96 A" X P. edulis f. flavicarpa 'EC-2-0') with 100%, 90%, 90% and 80%, respectively, achieved high success rate 61 DAG. The production of purple passion fruits grafted onto native and commercial species as rootstock P. nitida, P. quadrangularis, P. edulis f. flavicarpa 'EC-2-0' and P. edulis is viable since there is no evidence of incompatibility and the grafted plants showed high percentage of success rate.

P. edulis f. flavicarpa; Purple passion fruit; production of nursery plants; native and commercial species; propagation


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