Acta Prataculturae Sinica ›› 2026, Vol. 35 ›› Issue (6): 145-154.DOI: 10.11686/cyxb2025255
Zi-xin YU(
), Wei-zheng SHEN(
), Gao PAN, Wen-yin WANG, Wen-sheng LIU(
)
Received:2025-06-26
Revised:2025-09-01
Online:2026-06-20
Published:2026-04-13
Contact:
Wen-sheng LIU
Zi-xin YU, Wei-zheng SHEN, Gao PAN, Wen-yin WANG, Wen-sheng LIU. Screening of manganese-tolerant endophytic fungi from seeds and their ability to promote seed germination and seedling growth under manganese stress[J]. Acta Prataculturae Sinica, 2026, 35(6): 145-154.
菌株 Strain | Mn2+浓度 Mn2+ concentration (mmol·L-1) | ||||
|---|---|---|---|---|---|
| 0 | 5 | 10 | 15 | 20 | |
| YM-1 | 7.20±0.10a | 7.03±0.06ab | 6.90±0.26ab | 6.77±0.32b | 5.83±0.15c |
| YM-2 | 7.63±0.06b | 8.17±0.15a | 6.80±0.26c | 4.20±0.10d | 3.83±0.06e |
| YM-3 | 7.53±0.06a | 7.03±0.25b | 7.20±0.20ab | 6.60±0.20c | 5.37±0.21d |
| YM-4 | 9.00±0.00a | 9.00±0.00a | 8.57±0.12b | 7.63±0.15c | 7.30±0.10d |
Table 1 Colony diameter of four seed endophytic fungi under different Mn2+ concentrations (cm)
菌株 Strain | Mn2+浓度 Mn2+ concentration (mmol·L-1) | ||||
|---|---|---|---|---|---|
| 0 | 5 | 10 | 15 | 20 | |
| YM-1 | 7.20±0.10a | 7.03±0.06ab | 6.90±0.26ab | 6.77±0.32b | 5.83±0.15c |
| YM-2 | 7.63±0.06b | 8.17±0.15a | 6.80±0.26c | 4.20±0.10d | 3.83±0.06e |
| YM-3 | 7.53±0.06a | 7.03±0.25b | 7.20±0.20ab | 6.60±0.20c | 5.37±0.21d |
| YM-4 | 9.00±0.00a | 9.00±0.00a | 8.57±0.12b | 7.63±0.15c | 7.30±0.10d |
菌株 Strain | 锰离子吸附率 Mn2+ adsorption rate (%) | 最小抑菌浓度Minimum inhibitory concentration (MIC, mmol·L-1) |
|---|---|---|
| YM-1 | 57.0 | 40 |
| YM-2 | 62.8 | 30 |
| YM-3 | 72.6 | 40 |
| YM-4 | 75.6 | 50 |
Table 2 Minimum inhibitory concentration (MIC) and manganese ion adsorption rate of four endophytic fungi in seeds
菌株 Strain | 锰离子吸附率 Mn2+ adsorption rate (%) | 最小抑菌浓度Minimum inhibitory concentration (MIC, mmol·L-1) |
|---|---|---|
| YM-1 | 57.0 | 40 |
| YM-2 | 62.8 | 30 |
| YM-3 | 72.6 | 40 |
| YM-4 | 75.6 | 50 |
菌株 Strain | Mn2+浓度Mn2+ concentration (mmol·L-1) | ||||
|---|---|---|---|---|---|
| 0 | 5 | 10 | 15 | 20 | |
| YM-1 | 131.00±4.58a | 117.33±4.93b | 108.00±2.00b | 93.00±3.61c | 64.33±11.59d |
| YM-2 | 148.00±5.00b | 157.67±4.04a | 100.67±3.06c | 63.00±4.58d | 40.00±2.65e |
| YM-3 | 122.00±8.72a | 95.67±2.08b | 64.00±1.00c | 54.00±1.00d | 42.00±3.00e |
| YM-4 | 187.67±2.31a | 186.67±5.03a | 167.67±4.51b | 146.33±5.13c | 132.33±3.79d |
Table 3 Biomass of four seed endophytic fungi under different manganese concentrations (mg)
菌株 Strain | Mn2+浓度Mn2+ concentration (mmol·L-1) | ||||
|---|---|---|---|---|---|
| 0 | 5 | 10 | 15 | 20 | |
| YM-1 | 131.00±4.58a | 117.33±4.93b | 108.00±2.00b | 93.00±3.61c | 64.33±11.59d |
| YM-2 | 148.00±5.00b | 157.67±4.04a | 100.67±3.06c | 63.00±4.58d | 40.00±2.65e |
| YM-3 | 122.00±8.72a | 95.67±2.08b | 64.00±1.00c | 54.00±1.00d | 42.00±3.00e |
| YM-4 | 187.67±2.31a | 186.67±5.03a | 167.67±4.51b | 146.33±5.13c | 132.33±3.79d |
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