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Revista Brasileira de Fruticultura

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

Abstract

MACIEL, Hardi Schmatz; SOUZA, Paulo Vitor Dutra De  and  SCHAFER, Gilmar. Viability of citrus bud collected from greenhouse and kept in refrigerated storage. Rev. Bras. Frutic. [online]. 2008, vol.30, n.1, pp.241-245. ISSN 0100-2945.  http://dx.doi.org/10.1590/S0100-29452008000100044.

This work aimed to study bud viability maintenance of 'Valencia' orange and 'Montenegrina' Mandarin, derived from greenhouse plants under different disinfestations processes and cold storage periods. Another objective was to evaluate the behavior of substances of reserve contained in the stem in different periods of storage. The experiment was lead in cold chamber with temperature around 5ºC. It was tested two citrus varieties (Montenegrina mandarin and Valencia orange), three chemical treatments (control, 1 application and 2 applications of fungicide - Captan 10g L-1) and three storage periods (0, 90, and 180 days), with four replications. The results demonstrated that buds of 'Montenegrina' mandarin had been remained viable per 90 days without fungicide and for 180 days if submitted at one fungicide application. The buds from 'Valência' orange had been remained viable for 180 days without fungicide treatment. The reserve substances of 'Montenegrina' mandarin stem reduced along the storage period.

Keywords : Citrus; grafting; propagation.

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