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Santiago Linorio Ferreyra Ramos, Maria Teresa Gomes Lopes, Ricardo Lopes, Gabriel Dequigiovanni, Jeferson Luis Vasconcelos de Macêdo, Alexandre Magno Sebbenn, Edson Barcelos da Silva and José Nivaldo Garcia

NOTE – Mating system analysis of Açaí-do-Amazonas (Euterpe precatoria Mart.) using molecular markers

Abstract: Euterpe precatoria (Açaí-do-Amazonas) produces fruits of which the
fresh pulp is consumed. It is almost exclusively collected by extractivist farmers,
because no selected genotypes are available for the establishment of plantations.
For the domestication and breeding of the species, mating system studies
are needed for strategy formulation. This study evaluated the mating system
of a natural population of E. precatoria. Thirteen progenies were genotyped
with 13 microsatellite loci by capillary electrophoresis in an automated DNA
sequencer. Estimates of single-locus and multilocus outcrossing rates were 1.0,
and paternity correlation was low (r̂p(m) = 0.293). Euterpe precatoria families consist
mainly of half-sibs and the reproductive strategy of the species is allogamy.

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