Exclusion of sunlight from Syrah grapes

What do you think would happen to a grape cluster's color, tannins and flavor if researchers forced that cluster -still attached to the vine- to develop inside a dark box, cut out from any sunlight?


See the full text at: http://www3.interscience.wiley.com/cgi-bin/fulltext/120127352/PDFSTART



149 completely shading Syrah clusters.pdf