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

BMC Plant Biology

Table 2 Path coefficient analysis of characters on MDA content

Characters	Direct Effect	Indirect Effect								Correlation coefficient with MDA content
Characters	Direct Effect	Ion leakage	H₂O₂ content	O₂^•− content	SOD activity	POD activity	CAT activity	APX activity	Total	Correlation coefficient with MDA content
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

ISSN: 1471-2229