Com o objetivo de avaliar o desenvolvimento vegetativo, produção e qualidade de frutos da tangerina 'Fremont' (C. clementina Hort. ex Tan. X C. reticulata Blanco) sobre os porta-enxertos limão 'Cravo' (C. limonia Osbeck), citrumelo 'Swingle' (P. trifoliata Raf. x C. paradisi Macf.), tangerina 'Cleópatra' (Citrus reshni Hort. ex Tan.) e tangelo 'Orlando' (C. reticulata Blanco x C. paradisi Macf.), foi instalado um experimento em Bebedouro-SP, em 1997. Embora diferenças na produção tenham sido registradas em função dos porta-enxertos, nos anos de 2003 a 2005, a produção acumulada nas safras de 2000 a 2006 não revelou influência dos mesmos. Os valores do índice de alternância de produção e eficiência de produção não foram influenciados pelos porta-enxertos. O teor de sólidos solúveis, bem como acidez total foram superiores nos frutos das plantas enxertadas sobre citrumelo 'Swingle' e tangerina 'Cleópatra'. Os valores de volume da copa e diâmetro do tronco foram superiores nas árvores sobre tangelo 'Orlando' e tangerina 'Cleópatra'.
Development and yield of eight mandarin cultivar and hybrids on four rootstocks An experiment was installed in Bebedouro, SP, Brazil in 1997, with the objective to evaluate the effect of rootstocks 'Rangpur' lime (C. limonia Osbeck), 'Swingle' citrumelo (P. trifoliata Raf. x C. paradisi Macf.), 'Cleopatra' mandarin (Citrus reshni Hort. ex Tan.) and 'Orlando' tangelo (C. reticulata Blanco x C. paradisi Macf.) on growth, yield and fruit quality of 'Fallglo' mandarin [(C. reticulata Blanco x (C. paradisi Macf. x C. reticulata Blanco)] x (C. reticulata x C. sinensis L. Osbeck), 'Swatow' mandarin (Citrus reticulata Blanco), 'Ellendale' tangor (C. reticulata Blanco) x (C. sinensis L. Osbeck), 'Fortune' mandarin (C. clementina Hort. ex Tan.) x (C. tangerina Hort. ex Tan.), 'Nova' tangelo (C. clementina Hort. ex Tan.) x (C. paradisi Macf. x C. reticulata Blanco), 'Fairchild' mandarin (C. clementina Hort. ex Tan.) x (C. paradisi Macf. x C. reticulata Blanco), 'Sunburst' mandarin [C. clementina Hort. ex Tan. x (C. paradisi Macf. x C. reticulata Blanco)] x [C. clementina x (C. paradisi x C. reticulata Blanco)] and 'Fremont' mandarin (C. clementina Hort. ex Tan.) x (C. reticulata Blanco). In the majority of the cultivar and hybrids, differences in the cumulative yield, yield efficiency and alternate bearing index had not been registered in function of the rootstocks. The largest trees were on 'Orlando' tangelo, 'Cleopatra' mandarin and 'Rangpur' lime, while those on 'Swingle' citrumelo were smallest trees. Fruit from trees on 'Swingle' citrumelo and 'Cleopatra' mandarin had the highest soluble solids and total acids concentrations, representing good options to diversify the rootstocks in mandarins.
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