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Table 4 Pearson correlation coefficient among defense response in the inoculated seedlings seven months after planting

From: Defense response changes in roots of oil palm (Elaeis guineensis Jacq.) seedlings after internal symptoms of Ganoderma boninense Pat. infection

Characters

BLN

BD

RL

FRW

GDI

PRX

LIGNIN

SA

SH

0.65

0.67

0.61

0.94 **

0.67

-0.43

-0.77

-0.71

BLN

 

0.74

0.63

0.68

0.40

-0.34

-0.88 *

-0.91 *

BD

  

0.94 **

0.82 *

0.24

-0.10

-0.74

-0.51

RL

   

0.83 *

0.00

-0.27

-0.76

-0.33

FRW

    

0.42

-0.45

-0.86 *

-0.58

GDI

     

0.15

-0.31

-0.67

PRX

      

0.50

0.35

LIGNIN

       

0.74

  1. SH seedling height, BLN bifid leaf number, BD bole diameter, RL root length, FRW fresh root weight, GDI Ganoderma disease index, LIGNIN root lignin content, PRX root peroxidase activity, and SA root salicylic acid content. The * or ** shows a significant (p ≤ 0.05) or a highly significant (p ≤ 0.01) of the Pearson’s correlation coefficient, respectively