Table 4 Effect of Macrophomina phaseolina, soil amendment, and Trichoderma spp. on physiological attributes in Vigna unguiculata
| Treatments | Total chlorophyll content (mg/g) | CAT U/min per mg of protein | POX U/min per mg of protein | PPO U/min per mg of protein | PAL U/min per mg of protein |
|---|---|---|---|---|---|
| T1: negative control (without any inoculation or amendment) | 0.52e | 3.54e | 1.43f | 0.017cd | 0.11c |
| T2: positive control [(inoculated with Macrophomina phaseolina (MP) only)] | 0.19f | 5.50a | 3.05a | 0.04a | 0.18a |
| T3: MP + 1% A. indica |
0.53e (− 165%) |
4.51b (18%) |
2.41c (21%) |
0.032b (20%) |
0.17a (29%) |
| T4: MP + 2% A. indica |
0.56d (− 180%) |
4.12c (25%) |
2.44c (21%) |
0.031b (23%) |
0.15d (29%) |
| T5: MP + 3% A. indica |
0.59d (− 195%) |
4.12c (25%) |
2.18d (29%) |
0.031b (23%) |
0.14b (24%) |
| T6: MP + T. harzianum |
0.66cd (− 225%) |
3.78d (31%) |
1.80e (41%) |
0.022c (45%) |
0.11c (39%) |
| T7: MP + T. harzianum + 1% A. indica |
0.73b (− 265%) |
3.73d (33%) |
1.57f (49%) |
0.025bc (38%) |
0.11c (45%) |
| T8: MP + T. harzianum + 2% A. indica |
0.79ab (− 295%) |
3.62e (35%) |
1.44f (53%) |
0.023c (43%) |
0.11c (45%) |
| T9: MP + T. harzianum + 3% A. indica |
0.84a (− 320) |
3.61e (35%) |
1.41f (54%) |
0.022c (45%) |
0.09c (45%) |
| T10: MP + T. viride |
0.59d (− 193%) |
3.98c (28%) |
2.58b (15%) |
0.028bc (30%) |
0.14b (32%) |
| T11: MP + T. viride + 1% A. indica |
0.64c (−220%) |
3.81d (31%) |
2.41c (21%) |
0.029 bc (28%) |
0.16 ab (29%) |
| T12: MP + T. viride + 2% A. indica |
0.67bc (− 235%) |
3.71d (33%) |
2.25d (26%) |
0.029b (28%) |
0.15ab (26%) |
| T13: MP + T. viride + 3% A. indica |
0.71b (− 255%) |
3.67de (33%) |
2.16d (29%) |
0.029b (27%) |
0.14b (26%) |