Preprint Article Version 1 This version is not peer-reviewed

Genetic Diversity of Lowbush Blueberry throughout its U.S. Native Range in Managed and Non-managed Populations

Version 1 : Received: 2 May 2019 / Approved: 6 May 2019 / Online: 6 May 2019 (08:43:12 CEST)

A peer-reviewed article of this Preprint also exists.

Beers, L.; Rowland, L.J.; Drummond, F. Genetic Diversity of Lowbush Blueberry throughout the United States in Managed and Non-Managed Populations. Agriculture 2019, 9, 113. Beers, L.; Rowland, L.J.; Drummond, F. Genetic Diversity of Lowbush Blueberry throughout the United States in Managed and Non-Managed Populations. Agriculture 2019, 9, 113.

Journal reference: Agriculture 2019, 9, 113
DOI: 10.3390/agriculture9060113

Abstract

Expressed sequenced tagged-polymerase chain reaction (EST-PCR) molecular markers were used to evaluate the genetic diversity of lowbush blueberry across its geographic range and to compare genetic diversity among four paired managed/non-managed populations. Seventeen lowbush blueberry populations were sampled in a general north south transect throughout eastern United States with distances between 27 km to 1600 km separating populations. Results show that the majority of genetic variation is found within populations (75%) versus among populations (25%), and that each population was genetically unique (P ≤ 0.0001) with the exception of the Jonesboro, ME and Lubec, ME populations that were found not to be significantly different (P = 0.228). The effects of management for commercial fruit harvesting on genetic diversity were investigated in four locations in Maine with paired managed and non-managed populations. Significant differences were found between the populations indicating that commercial management influences the genetic diversity of lowbush blueberries in the landscape, despite the fact that planting does not occur; forests are harvested and the existing understory blueberry plants are what become established.

Subject Areas

EST-PCR; Vaccinium angustifolium; geographic range; domestication

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