FIGURE 8.1 - CHEF analysis of DNA from plugs of grape (Vitis vinifera). Lane 3 = PFGE lambda ladder, Lane 5 = 1/2 plug, Lane 6 = 1/4 plug, Lane 7 = 1/8 plug, Lane 9 = PFGE lambda ladder, Lane 11 = 10 µg uncut lambda DNA, Lane 12 = 5 µg uncut lambda DNA, and Lane 13 = 2.5 µg uncut lambda DNA.