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Table 5 Chlorophyll contents in non-transgenic (NT) and transgenic (SC) potatoes during and after water stress

From: Enhanced tolerance of transgenic potato plants expressing choline oxidase in chloroplasts against water stress

PEG treatments Potato type Chlorophyll content (mg.gFW-1)
Stress period Recovery period
DAY 0 DAY 1 DAY 2 DAY 3 DAY 4 DAY5
Control (0% PEG) SC 1.91±0.26 1.83±0.18 1.86±0.24 1.79±0.23 1.93±0.17 1.87±0.18
NT 1.84±0.22 1.89±0.17 1.77±0.21 1.9±0.15 1.87±0.24 1.92±0.25
Moderate stress (10% PEG) SC 1.92±0.28 1.67±0.17 1.45±0.26 1.26*±0.34 1.55±0.41 1.83±0.42
NT 1.85±0.23 1.53±0.35 1.21±0.42 0.97±0.31 1.46±0.39 1.77±0.54
Severe stress (20% PEG) SC 1.82±0.34 1.49±0.33 1.19±0.56 0.78±0.29 1.32*±0.29 1.73*±0.38
NT 1.88±0.19 1.24±0.36 0.95±0.21 0.62±0.18 0.81±0.23 1.37±0.36
  1. Data are expressed as the mean of five replicates. Asterisks (*) represent significantly different (P < 0.05) with the NT.