Table 2.

Path coefficient analysis of characters on MDA content

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

Y = 0.642 + 0.906X₁ + 7.024X₂ + 14.760X₃ + 0.119X₄–0.200X₅–0.224X₆ + 0.173X₇

R² = 0.995