All statistical analyses were carried out using SPSS statistics 17.0 . Correlations between experimental variables were calculated using Spearman’s rank correlations. Significant difference values were estimated using two-tailed tests.
Unless otherwise stated, significant differences were P< 0.05. The variation in the sugar and organic acid content was calculated using Origin 8.0 software . The dendrogram showing genetic relationships between wild and cultivated apples was
constructed using DARwin software 4.0