Fig. 6From: High-resolution genetic linkage map of European pear (Pyrus communis) and QTL fine-mapping of vegetative budbreak timeRelatedness tree of 21 Pyrus sp. accessions performed with cladogram function based on neighbor-joining algorithm. VB normalized date is indicated in the color key, i.e., − 2 indicates early VB date and 2 indicates late VB dateBack to article page