High-density linkage map construction in an autotetraploid blueberry population and detection of quantitative trait loci for anthocyanin content oleh Sara Montanari, Susan Thomson, Sarah Cordiner, Catrin S. Günther, Poppy Miller, Cecilia H. Deng, Tony McGhie, Mareike Knäbel, Toshi Foster, Janice Turner, David Chagné, Richard Espley