Evaluation of multiple rootstocks for ‘Montenegrina’ mandarin in Londrina, Paraná, Brazil (original) (raw)

2022, Revista Brasileira de Fruticultura

Most commercial orchards of mandarins in Paraná grow ‘Ponkan’ trees predominantly grafted on ‘Rangpur’ lime. The limited genetic diversity of citrus orchards for both scion and rootstock may promote pest and disease outbreaks. The late season ‘Montenegrina’ willowleaf mandarin has high potential for orchard diversification because of its higher productivity and better fruit quality. Therefore, this study assessed the agronomic performance of ‘Montenegrina’ mandarin trees grafted on multiple rootstocks under the edaphoclimatic conditions of Londrina, Paraná, Brazil. The trial was set in a randomized block design using the rootstocks of ‘Rangpur’ lime, ‘Cleopatra’ mandarin, ‘Sunki’ mandarin, ‘Swingle’ citrumelo, and ‘Fepagro C-13’ citrange replicated six times. The ‘Montenegrina’ mandarin trees were assessed for vegetative growth, yield, and fruit quality. The trees had similar size and yield, regardless of the rootstock, and low alternate bearing indices. The fruit quality parameters...

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