|
Drought intensity treatments (T)
|
ECM fungi (E)
|
Length (cm)
|
Surface area (cm2)
|
Average diameter (mm)
|
Root volume (cm3)
|
Tips
|
Forks
|
|---|
|
T1
|
Non-ECM
|
338.6 ± 13.91 b
|
55.95 ± 1.28 b
|
0.54 ± 0.02 c
|
0.74 ± 0.06 b
|
845 ± 284 ab
|
1398 ± 113 a
|
|
ECM
|
460.94 ± 59.85 a
|
76.55 ± 12.07 a
|
0.53 ± 0.01 c
|
1.01 ± 0.19 a
|
1009 ± 197 a
|
1728 ± 322 a
|
|
T2
|
Non-ECM
|
194.59 ± 29.15 c
|
40.76 ± 8.37 c
|
0.66 ± 0.05 a
|
0.68 ± 0.18 b
|
572 ± 25 bcd
|
835 ± 127 b
|
|
ECM
|
346.8 ± 43.1 b
|
56.75 ± 6.9 b
|
0.53 ± 0.02 c
|
0.74 ± 0.08 bc
|
826 ± 126 abc
|
1500 ± 296 a
|
|
T3
|
Non-ECM
|
107.95 ± 5.18 d
|
20.9 ± 1.6 d
|
0.63 ± 0.01 ab
|
0.32 ± 0.03 c
|
299 ± 57 c
|
487 ± 41 b
|
|
ECM
|
173.74 ± 26.92 c
|
31.83 ± 3.92 c
|
0.59 ± 0.02 bc
|
0.47 ± 0.04 cd
|
409 ± 98 cd
|
708 ± 127 b
|
|
Effect (P value)
|
T
|
**
|
**
|
**
|
**
|
**
|
**
|
|
E
|
**
|
**
|
**
|
*
|
*
|
**
|
|
T & E
|
ns
|
ns
|
**
|
ns
|
ns
|
ns
|
- Note: T1 = non-drought stress, T2 = moderate drought stress, T3 = severe drought stress. Data expressed as mean ± standard error (n = 6). Different lowercase letters indicate significant differences between the means by Tukey (HSD) test (P < 0.05); “*” indicates that the interaction is significant (P<0.05); “**” indicates that the interaction is extremely significant (P<0.01); “ns” indicates no interaction (P ≥ 0.05)
