Bulletin of Botanical Research ›› 2021, Vol. 41 ›› Issue (1): 138-144.doi: 10.7525/j.issn.1673-5102.2021.01.017
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Xu-Fu WANG1, Long-Fei HAO1, Jia-Xin HAO1, Wen-Ying HAO1, Hui-Ga BAO2, Shu-Lan BAI1()
Received:
2019-11-25
Online:
2021-01-20
Published:
2021-01-05
Contact:
Shu-Lan BAI
E-mail:baishulan2004@163.com
About author:
WANG Xu-Fu(1992—),male,master candidates,engaged in mycorrhizal biotechnology research.
Supported by:
CLC Number:
Xu-Fu WANG, Long-Fei HAO, Jia-Xin HAO, Wen-Ying HAO, Hui-Ga BAO, Shu-Lan BAI. Growth Responses of Pinus sylvestris var. mongolica Seedlings under Simulated Nitrogen Deposition and Different Inoculation of Ectomycorrhizal Fungi Treatments[J]. Bulletin of Botanical Research, 2021, 41(1): 138-144.
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URL: http://bbr.nefu.edu.cn/EN/10.7525/j.issn.1673-5102.2021.01.017
Fig.1
Mycorrhizal colonization rate of P.sylvestris var. mongolica seedlings under different nitrogen concentration treatmentsDifferent capital letters indicate significant differences between different inoculation treatments in the same nitrogen concentration treatment(P<0.05).Different small letters indicate significant differences between different nitrogen concentration in the same inoculation treatments(P<0.05)
Table 1
Growth and biomass of P.sylvestris var.mongolica seedlings under different treatments(13 months old)
接种 Inoculation | 氮浓度 Nitrogen concentration | 苗高 Seedling height (mm) | 地径 Ground diameter (mm) | 地上生物量 Aboveground biomass (g) | 地下生物量 Underground biomass (g) |
---|---|---|---|---|---|
CK | CKN | 52.527±1.232Aa | 0.570±0.035Bb | 0.009±0.001Cb | 0.007±0.000Ca |
CN | 53.397±1.814Aa | 0.700±0.000Ba | 0.017±0.001Ca | 0.008±0.001Ca | |
2CN | 51.083±0.483Ba | 0.770±0.012Aa | 0.016±0.001Ca | 0.010±0.002Ca | |
SB | CKN | 51.620±3.333Aa | 0.750±0.084ABa | 0.047±0.002Ba | 0.020±0.001Ba |
CN | 52.567±2.169Aa | 0.690±0.029Ba | 0.025±0.002Bb | 0.020±0.005Ba | |
2CN | 55.737±0.507Aa | 0.823±0.033Aa | 0.030±0.001Bb | 0.025±0.001Ba | |
HJ | CKN | 58.123±2.584Aa | 0.827±0.067Aa | 0.067±0.002Aa | 0.039±0.006Aa |
CN | 56.413±1.137Aa | 0.860±0.040Aa | 0.057±0.003Ab | 0.039±0.001Aa | |
2CN | 57.357±1.575Aa | 0.760±0.000Aa | 0.056±0.001Ab | 0.052±0.002Aa | |
ECFM | ** | ** | *** | *** | |
N | NS | NS | *** | * | |
FM×N | NS | * | *** | NS |
Table 2
Root morphology of P. sylvestris var. mongolica seedlings under different treatments
接种 Inoculation | 氮浓度 Nitrogen concentration | 平均直径 Average diameter (mm) | 总根长 Total root length (cm) | 总表面积 Total surface area (cm2) | 总分叉数 Total bifurcation number |
---|---|---|---|---|---|
CK | CKN | 0.372±0.010Bb | 79.366±11.107Bb | 9.273±1.546Bc | 214.000±77.942Ba |
CN | 0.367±0.004Bb | 111.724±22.247Cab | 12.873±2.590Cb | 304.333±21.341Aa | |
2CN | 0.414±0.005Aa | 139.166±13.632Ba | 17.185±0.647Ba | 242.000±24.826Aa | |
SB | CKN | 0.364±0.001Bb | 127.379±20.887Bb | 14.855±1.882Bb | 173.667±25.115Bb |
CN | 0.396±0.004Aa | 170.950±20.872Ba | 21.360±2.791Ba | 333.000±8.660Aa | |
2CN | 0.392±0.011Ba | 196.641±21.362Aa | 24.630±2.854Aa | 255.667±38.394Aab | |
HJ | CKN | 0.409±0.004Aa | 226.221±55.761Aab | 27.948±7.880Aab | 813.000±17.898Aa |
CN | 0.407±0.013Aa | 292.103±32.688Aa | 34.810±2.654Aa | 376.667±60.911Ab | |
2CN | 0.388±0.003Bb | 154.268±6.520Bb | 19.592±1.318Bb | 175.667±4.910Ac | |
ECFM | *** | *** | *** | *** | |
N | ** | *** | *** | *** | |
FM×N | *** | *** | *** | *** |
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