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Table 2 Path coefficient analysis of characters on MDA content

From: Knockout of SlMAPK3 enhances tolerance to heat stress involving ROS homeostasis in tomato plants

Characters Direct Effect Indirect Effect Correlation coefficient with MDA content
Ion leakage H2O2 content O2•− content SOD activity POD activity CAT activity APX activity Total
Ion leakage (X1) 0.550 0.051 0.226 0.046 −0.107 0.162 0.020 0.397 0.947
H2O2 content (X2) 0.057 0.486 0.206 0.013 −0.041 0.125 0.022 0.811 0.868
O2•− content (X3) 0.268 0.465 0.044 0.052 −0.083 0.152 0.024 0.654 0.921
SOD activity (X4) 0.186 0.135 0.004 0.075 −0.131 0.073 0.046 0.202 0.388
POD activity (X5) −0.217 0.271 0.011 0.103 0.112 0.100 0.033 0.629 0.412
CAT activity (X6) −0.174 −0.512 −0.041 − 0.234 −0.078 0.124 −0.021 − 0.762 −0.936
APX activity (X7) 0.064 0.170 0.019 0.100 0.134 −0.111 0.057 0.370 0.433
  1. Y = 0.642 + 0.906X1 + 7.024X2 + 14.760X3 + 0.119X4–0.200X5–0.224X6 + 0.173X7
  2. R2 = 0.995