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Revista Brasileira de Fruticultura

Print version ISSN 0100-2945On-line version ISSN 1806-9967

Abstract

STUCHI, Eduardo Sanches; DONADIO, Luiz Carlos; SEMPIONATO, Otávio Ricardo  and  PERECIN, Dilermando. Yield and fruit quality of 'Pêra' sweet orange clone IAC on 16 rootstocks in Bebedouro region, State of São Paulo, Brazil. Rev. Bras. Frutic. [online]. 2004, vol.26, n.2, pp.359-362. ISSN 0100-2945.  http://dx.doi.org/10.1590/S0100-29452004000200044.

An experiment was set up in July 1993, at Bebedouro city, São Paulo state, Brazil, aiming to evaluate the rootstock influence on the yield and several physical and chemical fruit characteristics such as fruit size, total soluble solids, acidity, ratio juice content and technological index of 'Pera' IAC sweet orange [Citrus sinensis (L.) Osbeck], in a high inoculum pressure area of citrus variegated chlorosis (CVC). The spacement was 6.0 m between rows and 3.5 m between trees. The experimental design used was randomized blocks, with three replications and two trees per plot. The rootstocks tested were 'Sun Chu Sha Kat' mandarin (Citrus reticulata), 'Pectinífera' (C. reticulata), 'Shekwasha' (C. depressa Hayata), 'Pectinífera/Shekwasha' (C. depressa Hayata), 'Batangas' (C. reticulata), 'Oneco' (C. reticulata), citrangor [citrange (Poncirus trifoliata Raf. x C. sinensis) x C. sinensis], citrandarin (C. sunki hort. ex Tanaka x Poncirus trifoliata L. Raf. cv. English), 'Sunki' (C. sunki), 'Suen-Kat' (C. sunki), Nasnaran (C. amblycarpa Ochse), 'Venezuela' mandarin (C. reticulata), 'Heen Naran' mandarin (C. lycopersicaeformis), 'Cravo' (C. limonia Osbeck) x 'Cleopatra' (C. reshni hort ex Tanaka), 'Cravo' (C. limonia), 'Cleopatra' (C. reshni). CVC intensity was different due to rootstocks effects and not related with yield until the fourth year of production. With the exception of the Nasnaran mandarin the rootstocks induced initial fruit production and quality similar to 'Cravo'.

Keywords : Citrus sinensis; citrus variegated chlorosis.

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