Genetic Variability in Oenocarpus Bacaba Mart. from Different Provenances in the State of Pará by Morphoagronomic Characters

Authors

DOI:

https://doi.org/10.33448/rsd-v11i4.27418

Keywords:

Grouping; Characters; Euclidean Distance; Oenocarpus.

Abstract

The present work aimed to predict the genetic variability in provenances of O.bacaba do Pará through multivariate analysis applied to morphoagronomic characters. Eighteen characters were recorded, three relating to the plant, six of bunch and nine of fruit, in 43 palms in the state of Pará. Data were identified by analysis of genetic divergence between those belonging to the Euclidean distance, and the groups formed through complete binding method, and additionally performed the importance and discards of characters by principal component analysis. The greatest divergence, dii’= 11.45, was found between the representatives TS-22 from Terra Santa and BAI-8 from the municipality of Baião. The grouping by the furthest neighbor method trained on the dissimilarity matrix training to 6 divergent groups. The weight of one hundred fruits and the number of rachiles per bunch are the characters with the greatest contribution to the divergence between the provenances. In the analysis of the main components, the first four components absorbed 63.40% of the accumulated variation, the fruit and bunch characters are those related by the variation among selected ones, being possible to discard as variables clump maturation and thickness of the pulp. The individuals of O. bacaba from the two provenances of Pará studied show considerable phenotypic variation for the morpho-agronomic characters studied, mainly fruit and bunch, with those from Terra Santa being more divergent.

Author Biographies

Maria do Socorro Padilha de Oliveira, Empresa Brasileira de Pesquisa Agropecuária-Amazônia Oriental

He holds a degree in Forest Engineering from the Federal Rural University of the Amazon (1987), a degree in Agronomic Engineering from the Federal Rural University of the Amazon (1983), a Master's in Botany from the Federal Rural University of Pernambuco (1995) and a PhD in Agronomy from the Federal University of Lavras. (2005). He is currently a researcher at the Brazilian Agricultural Research Corporation. He has experience in Agronomy, working mainly on the following subjects: amazônia, euterpe oleracea, arecaceae, astrocaryum vulgare and genetic improvement.

Lucieta Guerreiro Martorano, Empresa Brasileira de Pesquisa Agropecuária-Amazônia Oriental

Graduation in Meteorology (UFPA/1982) and Agronomy (UFRA-former FCAP/1987). Master's degree in Agrometeorology (ESALQ/USP/1998) and PhD in Phytotechnics/Agrometeorology from the Federal University of Rio Grande do Sul (UFRGS/2007). She was a researcher at Embrapa Solos / RJ from February 1990 to December 2008, serving in two terms as a Member of the Internal Technical Committee (CTI), as well as in research projects at national and international levels. She collaborated at the State University of Rio de Janeiro (UERJ) from 2007 to 2008, teaching classes and participating in co-orientations in the master's degree in Geomatics. She participated in the Organizing Committee of the Brazilian Congress of Soil Science in 2008. In 2009, she was transferred to Belém to work as a researcher at Embrapa Amazônia Oriental, where she remained until June 2016. From July 2016 she joined the team of researchers of EMBRAPA's Middle Amazon NAPT, in Santarém, Pará. In October 2021, she was designated by ordinance to assume the role of supervisor of the NAPT-MA. Among the commitments assumed in the Amazon, it is worth mentioning the leadership of projects, action plans and activities (ROBIN/BR, PECUS/PC7; MAPCAST, AgroMet ABC, Projeto IrrigaPote, among others), both at national and international levels. She was a permanent professor in the Master's Course in Environmental Sciences at the State University of Pará PPGCA-UEPA. Currently, she is part of the permanent professorship of the Doctoral Course of the BIONORTE Network and PPGSND of UFOPA. She has collaborated as a co-advisor in graduate programs at ESALQ / USP, UFAM / Manaus and UNESP / Jaboticabal. She collaborates as a reviewer in nationally and internationally indexed journals. She is an ad hoc consultant on research projects and on public tender boards. She has participated in boards of masters, doctorate, course conclusion works and scientific initiation salon, as well as as a speaker at different scientific events. In a call from CAPES / CNPq and Sciences without Borders, she approved grants for master's, doctoral and post-doctoral degrees, where she developed projects in partnership in different areas of scientific knowledge. She guides scientific initiation students both from PIBIC / CNPq / Embrapa scholarship holders and students who are interns at Embrapa to fulfill the mandatory intern credits (UFOPA, UNAMA and ULBRA).

Jose Airton Rodrigues Nunes, Universidade Federal de Lavras

Graduation in Agronomy in 2000 - Federal University of Ceará
Master in Agricultural Statistics and Experimentation in 2003 - Federal University of Lavras
PhD in Genetics and Plant Breeding in 2006 - Federal University of Lavras

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Published

20/03/2022

How to Cite

MACIEL, A. R. N. A. .; OLIVEIRA, M. do S. P. de .; MARTORANO, L. G. . .; NUNES, J. A. R. . Genetic Variability in Oenocarpus Bacaba Mart. from Different Provenances in the State of Pará by Morphoagronomic Characters. Research, Society and Development, [S. l.], v. 11, n. 4, p. e35111427418, 2022. DOI: 10.33448/rsd-v11i4.27418. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/27418. Acesso em: 22 dec. 2024.

Issue

Vol. 11 No. 4

Section

Agrarian and Biological Sciences

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Copyright (c) 2022 Alynne Regina Nazaré Alves Maciel; Maria do Socorro Padilha de Oliveira; Lucieta Guerreiro Martorano; Jose Airton Rodrigues Nunes

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