Biochemical parameters 
Days after pathogen inoculation 
Correlation coefficient (r) with disease incidence 
Regression equation 
Total soluble protein 
5 days 
0.6214 
Y=32.22470.2143X 
10 days 
0.5867 
Y=32.79560.1462X 
15 days 
0.5484 
Y=31.67080.1186X 
Total phenol 
5 days 
0.5370 
Y=2.15320.0100X 
10 days 
0.5656 
Y=2.40140.0099X 
15 days 
0.4225 
Y=2.22240.0087X 
