Chilling injury was assessed every 12 h, using the following
scale: (1) no damage; (2) several dark spots, (3) black less than 30%
of total leaf area; (4) black 30–50% of leaf area, and (5) more than
50% of leaf area black. Three packages of herbswere randomly sampled
each time. Young leaves (the second pair of leaves below the
apex in young shoots) and mature leaves (fully developed leaves,
below the second pair) from the same basil shoots were assessed
for CI and other parameters.