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Revista Colombiana de Biotecnología
Print version ISSN 0123-3475
Abstract
CID, Mariela et al. Strategies to reduce the apical necrosis in vitro multiplication and rooting of Pistachio. Rev. colomb. biotecnol [online]. 2016, vol.18, n.2, pp.97-105. ISSN 0123-3475. https://doi.org/10.15446/rev.colomb.biote.v18n2.61527.
The pistachio (Pistacia sp.) is one of the least exploited fruit among the main causes is the high cost of plant material by the difficulties of propagation of the species. The propagation in vitro offers great potential for the industry of this species by multiplication scale of selected clones. The aim of this study was to control the apical necrosis of outbreaks in the in vitro propagation Pistachio. From young shoots of plants of this species kept in growing houses, proceeded to disinfection with sodium hypochlorite 1% for different times. The apical and axillary buds were established in the culture medium Murashige and Skoog (1962) modified and supplemented with 1 mg/L Metatopolina. Different types of bottles, number and type of explants and culture media formulations for two subcultures multiplication and rooting were evaluated. Glass flask of 200 ml capacity, and line proliferates DKW medium achieved the lowest values apical necrosis. In the multiplication phase values were low in all treatments tested no statistical difference between them compared to rooting where apical necrosis reached higher values. The average DKW and prolific lines obtained lower values. MS medium modified crop, favored the number of segments rooted and DKW (Driver and Kuniyuki, 1984) the number of segments that sprouted, the latter having lower incidence of apical necrosis.
Keywords : Forest; culture medium; nuts; in vitro propagation.