Morphological and molecular characterization of Umbu-Cajá tree in the northeast region of Brazil
Journal Title: Biotecnología Vegetal - Year 2017, Vol 17, Issue 2
Abstract
The umbu-cajá (Spondias sp.) is a fruit specie native of the brazilian semiarid region with high potential for cultivation. The juicy pulp is used in the production of juices and nectars. The aim of this study was to characterize 18 individuals of umbu-cajá tree at three sites located in the Brazilian northeast municipalities of Mossoró/RN and Apodi/RN to identify individuals with superior attributes for fruit processing and/or in natura consumption The morphological, physical and physicochemical characterization of 20 fruits of each individuals were performed. Leaves of trees were used for molecular analyses with Inter Simple Sequence Repeats (ISSR) and Random Amplified Polymorphic DNA (RAPD) markers. It was possible to verify that there are phenotypic variability among the fruits of umbu-cajá trees. The individuals of the same region were grouped in the same group. JZ5, JZ6 and MA6 individuals can be used for pulp processing, while JZ1, JZ2, JZ3 and JZ6 are adequate for in natura consumption. The molecular analyses showed polymorphism for the two molecular markers used. The ISSR marker generated the greatest polymorphism among the individuals. However, the RAPD marker made it possible to achieve a more consistent cluster, which is in agreement with the geographical distribution of these individuals. The use of morphological markers together with molecular markers constitutes an important tool for characterizing umbu-cajá individuals.
Authors and Affiliations
Euriann Lopes Marques Yamamoto , Ioná Santos Araújo Holanda, Patrícia Lígia Dantas de Morais , Moaciria de Souza Lemos, Emanuela de Oliveira Alves Araújo
Keywords
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