Influence of timing and intensity of fruit zone leaf removal and kaolin applications on bunch rot control and quality improvement of Sauvignon blanc grapes, and wines, in a temperate humid climate

•Leaf removal can be an important cultural practice for bunch rots control.•Time and intensity of leaves removal impact on Sauvignon blanc grapes quality.•Leaf removal impacted on primary and secondary metabolites contents.•Kaolin applications significantly reduced temperatura and sunburn damages of berries.