Patterns of nuclear and chloroplast genetic diversity and structure of manioc along major Brazilian Amazonian rivers.

ABSTRACT:

Background and aims

Amazonia is a major world centre of plant domestication, but little is known about how the crops were dispersed across the region. Manioc (Manihot esculenta) was domesticated in the south-western Amazon basin, and is the most important staple food crop that originated in Amazonia. Current contrasting distributions may reflect distinct histories of dispersal of bitter and sweet manioc landraces. To produce new insights into the evolutionary history of the crop, we investigated the contemporary genetic diversity and structure of bitter and sweet manioc along major Amazonian rivers.

Methods

The patterns of genetic structure and diversity of wild and cultivated sweet and bitter manioc with four chloroplast and 14 nuclear microsatellite markers were evaluated.

SUBMITTER: Alves-Pereira A 

PROVIDER: S-EPMC5853005 | biostudies-literature | 2018 Mar

REPOSITORIES: biostudies-literature