Table 4. Average responses of each level and the range analyses of root and shoot length, the activity of SOD and CAT.
| Treatment | Tall fescue 2015 | Tall fescue 2014 | Orchardgrass 2013 | Russian wildrye 2009 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A(CFU/ml) | B | C(h) | A(CFU/ml) | B | C(h) | A(CFU/ml) | B | C(h) | A(CFU/ml) | B | C(h) | |
| RL | ||||||||||||
| Level In | 4.85 | 4.74 | 6.24 | 5.17 | 5.84 | 5.28 | 2.70 | 4.18 | 4.03 | 2.14 | 2.10 | 2.31 |
| Level IIn | 5.49 | 4.69 | 4.45 | 7.11 | 5.72 | 6.00 | 4.90 | 3.73 | 4.24 | 2.46 | 2.01 | 2.27 |
| Level IIIn | 5.39 | 6.30 | 5.04 | 5.17 | 5.89 | 6.17 | 3.80 | 3.49 | 3.13 | 2.20 | 2.69 | 2.23 |
| Rm | 0.64 | 1.61 | 1.79 | 1.94 | 0.17 | 0.89 | 2.20 | 0.68 | 1.11 | 0.32 | 0.68 | 0.08 |
| Order | 3 | 2 | 1 | 1 | 3 | 2 | 1 | 3 | 2 | 2 | 1 | 3 |
| SL | ||||||||||||
| Level In | 6.53 | 6.61 | 6.63 | 7.74 | 8.03 | 8.17 | 5.63 | 5.99 | 5.92 | 7.18 | 6.74 | 7.61 |
| Level IIn | 6.67 | 6.81 | 6.42 | 7.99 | 7.60 | 8.15 | 5.62 | 5.76 | 5.64 | 6.98 | 7.09 | 6.91 |
| Level IIIn | 6.55 | 6.33 | 6.70 | 8.71 | 8.81 | 8.11 | 6.10 | 5.59 | 5.78 | 7.26 | 7.59 | 6.90 |
| Rm | 0.14 | 0.48 | 0.28 | 0.98 | 1.20 | 0.06 | 0.48 | 0.39 | 0.28 | 0.27 | 0.85 | 0.71 |
| Order | 3 | 1 | 2 | 2 | 1 | 3 | 1 | 2 | 3 | 3 | 1 | 2 |
| SOD | ||||||||||||
| Level In | 18.86 | 14.90 | 22.18 | 16.07 | 10.64 | 16.18 | 2.82 | 4.16 | 2.72 | 20.42 | 30.24 | 25.38 |
| Level IIn | 13.83 | 20.62 | 17.65 | 14.37 | 12.84 | 5.35 | 5.13 | 2.28 | 12.81 | 25.01 | 30.33 | 33.60 |
| Level IIIn | 21.92 | 19.21 | 15.71 | 10.02 | 16.85 | 18.14 | 16.36 | 12.04 | 7.77 | 35.67 | 21.62 | 22.34 |
| Rm | 8.09 | 5.72 | 6.46 | 6.05 | 6.21 | 12.79 | 13.54 | 9.77 | 10.09 | 15.26 | 8.70 | 11.26 |
| Order | 1 | 3 | 2 | 3 | 2 | 1 | 1 | 3 | 2 | 1 | 3 | 2 |
| CAT | ||||||||||||
| Level In | 56.67 | 164.93 | 179.71 | 158.47 | 59.18 | 174.32 | 329.03 | 421.44 | 370.68 | 423.31 | 224.05 | 465.16 |
| Level IIn | 181.86 | 168.77 | 138.60 | 141.53 | 174.17 | 102.34 | 318.00 | 241.62 | 310.00 | 133.30 | 208.48 | 125.16 |
| Level IIIn | 171.23 | 76.06 | 91.44 | 120.14 | 186.79 | 143.48 | 280.55 | 221.45 | 246.90 | 489.45 | 613.52 | 455.72 |
| Rm | 125.19 | 92.71 | 88.27 | 38.32 | 127.61 | 71.97 | 48.48 | 200.00 | 123.78 | 356.15 | 405.04 | 340.00 |
| Order | 1 | 2 | 3 | 3 | 1 | 2 | 3 | 1 | 2 | 2 | 1 | 3 |
A, B and C represent the concentration of Azospirillum brasilense, the seed priming treatment and priming time, respectively.
n: Average response of each level regarding experimental indicators.
m: R means the average range between three average responses of each level regarding experimental indicators.
Order: The ordinal numeral for the range sequence of the three factors in decreasing order.