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The aim of this study was to establish an in vitro system for the induction, maturation and regeneration of somatic embryo in sugarcane from buds of cultivar RB 867515. Embryogenic calluses were obtained on semi-solid MS medium supplemented with 4.42 mg L -1 2,4-D. After four weeks of culture of explants on the callus induction medium, globular structures were obtained. At the end of 20 days in maturation medium, somatic embryos were observed. Histological analysis showed somatic embryos with caulinar and root apex, protodermal tissue, and the vascular system, which  apparently has no connection with the vascular tissue explant that gave rise to it confirming the presence of the somatic embryo. The embryos were transferred to regeneration medium containing 1 mg L -1 GA3 and BAP, and after 1 to 2 weeks of culture, green points were observed, indicating the beginning of the formation of shoots. Key words: Saccharum spp, bud culture, 2.4-D, morphogenetic pathway, embryogenesis, plant regeneration.

The use of histological analysis for the detection of somatic embryos in sugarcane