Genetic parameters and selection of macaw palm (Acrocomia aculeata) accessions: an alternative crop for biofuels

sexta-feira, agosto 10, 2018

Annanda Mendes Costa, Sérgio Yoshimitsu Motoike,Thais Roseli Corrêa ,Thaís Cristina Silva ,Sara Morra Coser, Marcos Deon Vilela de Resende, Reinaldo Francisco Teófilo

This study aimed to estimate the parameters related to the genetic control of the physical characteristics of the fruits, oil content, and oil yield, and to proceed with the selection of macaw palm accessions. Forty-four macaw palm accessions of the active germplasm collection of the Federal University of Viçosa were collected for the evaluation of epicarp dry matter, pulp dry matter, endocarp dry matter, kernel dry matter, oil content, and oil yield. Narrow-sense individual heritability estimates were considered as of intermediate magnitude. 
Resultado de imagem para Macauba

The coefficient of repeatability and the accuracy in family selection was of high magnitude. Oil yield per plant presented the highest coefficient of individual genetic variation. Five different accessions contributed to the ten first individuals selected by the individual BLUP. The Mulamba and Mock’s rank index allowed classifying the accessions in a sequence favorable to selection.

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