Chin J Plan Ecolo ›› 2015, Vol. 39 ›› Issue (9): 878-889.DOI: 10.17521/cjpe.2015.0084
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SUN Qian, HE Chao, HE Xue-Li*(), ZHAO Li-Li
Received:
2015-03-04
Accepted:
2015-08-04
Online:
2015-09-03
Published:
2015-09-23
Contact:
Xue-Li HE
About author:
# Co-first authors
SUN Qian,HE Chao,HE Xue-Li,ZHAO Li-Li. Colonization of dark septate endophytes in roots of Ammopiptanthus mongolicus and its associated plants as influenced by soil properties[J]. Chin J Plan Ecolo, 2015, 39(9): 878-889.
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URL: https://www.plant-ecology.com/EN/10.17521/cjpe.2015.0084
样地 Sampling site | 伴生植物 Associated plants | 海拔 Elevation (m) | 经纬度 Latitude and longitude | 土壤类型 Type of soil |
---|---|---|---|---|
宁夏银川 Yinchuan, Ningxia | 白刺 Nitraria tangutorum 沙蒿 Artemisia desertorum | 1 169 | 38.6° N, 106.57° E | 石质为主 Stony mainly |
宁夏沙坡头 Shapotou, Ningxia | 柠条锦鸡儿 Caragana korshinskii | 1 298 | 37.57° N, 104.97° E | 沙土为主 Sand mainly |
甘肃民勤 Minqin, Gansu | 无叶沙拐枣 Calligonum aphyllum 红花锦鸡儿 Caragana rosea | 1 350 | 38.58° N, 102.93° E | 荒漠沙质 Sandy desert |
Table 1 Sampling sites and associated plant species of Ammopiptanthus mongolicus
样地 Sampling site | 伴生植物 Associated plants | 海拔 Elevation (m) | 经纬度 Latitude and longitude | 土壤类型 Type of soil |
---|---|---|---|---|
宁夏银川 Yinchuan, Ningxia | 白刺 Nitraria tangutorum 沙蒿 Artemisia desertorum | 1 169 | 38.6° N, 106.57° E | 石质为主 Stony mainly |
宁夏沙坡头 Shapotou, Ningxia | 柠条锦鸡儿 Caragana korshinskii | 1 298 | 37.57° N, 104.97° E | 沙土为主 Sand mainly |
甘肃民勤 Minqin, Gansu | 无叶沙拐枣 Calligonum aphyllum 红花锦鸡儿 Caragana rosea | 1 350 | 38.58° N, 102.93° E | 荒漠沙质 Sandy desert |
Fig. 1 Hyphal structure of dark septate endophytes (DSE) in roots of Ammopiptanthus mongolicus and its associated plants. A, Hyphae of DSE in A. mongolicus in Yinchuan. B, Hyphae of DSE in A. mongolicus in Shapotou. C, Infection of DSE in vascular tissue of A. mongolicus in Minqin. D, Hyphae of DSE in Artemisia desertorum in Yinchuan. E, Infection of DSE in vascular tissue of Nitraria tangutorum in Yinchuan. F, Hyphae of DSE in Caragana korshinskii in Shapotou. G, Hyphae of DSE in Calligonum aphyllum in Minqin. H, Hyphae of DSE in C. rosea in Minqin.
Fig. 2 Microsclerotia of dark septate endophytes (DSE) in roots of Ammopiptanthus mongolicus and its associated plants. A, Brain-like microsclerotia of DSE in A. mongolicus in Yinchuan. B, Chain-like microsclerotia of DSE in A. mongolicus in Yinchuan. C, Microsclerotia clusters of DSE in A. mongolicus in Shapotou. D, Leaf-like microsclerotia of DSE in A. mongolicus in Shapotou. E, Ribbon-like microsclerotia of DSE in A. mongolicus in Minqin. F, leaf-like microsclerotia of DSE in A. mongolicus in Minqin. G, Brain-like microsclerotia of DSE in Nitraria tangutorum in Yinchuan. H, Scattered microsclerotia of DSE in Artemisia desertorum in Yinchuan. I, Specialized microsclerotia of DSE in Caragana korshinskii in Shapotou. J, Leaf-like microsclerotia of DSE in C. korshinskii in Shapotou. K, Ribbon-like microsclerotia of DSE in C. rosea in Minqin. L, Leaf-like microsclerotia of DSE in Calligonum aphyllum in Minqin.
Fig. 3 The spatial variation of the colonization of dark septate endophytes in roots of Ammopiptanthus mongolicus and its associated plants (mean ± SD). Different capital letters above the columns indicate significant difference between different soil layers of the same plant species (p < 0.05). Different lowercase letters above the columns indicate significant difference among different plants at the same soil layer (p < 0.05).
Fig. 4 The spatial variation of soil properties in the rhizosphere of Ammopiptanthus mongolicus and its associated plants (mean ± SD). Different capital letters above the columns indicate significant difference between different soil layers of the same plant species (p < 0.05). Different lowercase letters above the columns indicate significant difference among different plants at the same soil layer (p < 0.05).
自变量 Independent variable | 与y的简单相关系数 Simple correlation with y | 通径系数的直接作用 Direct action of path coefficient | 间接通径系数(间接作用) Indirect path coefficient (indirect effect) | |||||||
---|---|---|---|---|---|---|---|---|---|---|
x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8 | |||
x1 | -0.174 6 | -0.161 0 | - | 0.023 7 | -0.002 3 | -0.005 6 | 0.002 1 | -0.019 9 | -0.003 0 | -0.040 5 |
x2 | 0.398 8 | 0.212 0 | -0.018 0 | - | -0.004 1 | -0.003 2 | 0.015 0 | 0.005 8 | -0.006 6 | 0.186 4 |
x3 | 0.607 6 | -0.014 0 | -0.026 9 | 0.061 9 | - | 0.001 3 | 0.022 4 | 0.010 3 | -0.012 5 | 0.551 0 |
x4 | 0.177 1 | 0.053 0 | 0.017 1 | -0.012 7 | -0.000 3 | - | 0.040 2 | 0.081 9 | 0.009 9 | 0.139 9 |
x5 | 0.361 0 | 0.119 0 | -0.002 9 | 0.026 7 | -0.002 6 | 0.017 9 | - | 0.089 8 | 0.014 0 | 0.227 2 |
x6 | 0.294 5 | 0.127 0 | 0.025 3 | 0.009 8 | -0.001 1 | 0.034 2 | 0.084 1 | - | 0.014 5 | 0.164 7 |
x7 | -0.347 3 | 0.025 0 | 0.019 3 | -0.055 8 | 0.007 0 | 0.020 9 | 0.066 6 | 0.073 7 | - | -0.311 0 |
x8 | 0.766 1 | 0.710 0 | 0.009 2 | 0.055 8 | -0.010 9 | 0.010 4 | 0.038 1 | 0.029 5 | -0.011 0 | - |
Table 2 Path coefficient between soil factors (xi) and total colonization of dark septate endophytes (y) in Yinchuan
自变量 Independent variable | 与y的简单相关系数 Simple correlation with y | 通径系数的直接作用 Direct action of path coefficient | 间接通径系数(间接作用) Indirect path coefficient (indirect effect) | |||||||
---|---|---|---|---|---|---|---|---|---|---|
x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8 | |||
x1 | -0.174 6 | -0.161 0 | - | 0.023 7 | -0.002 3 | -0.005 6 | 0.002 1 | -0.019 9 | -0.003 0 | -0.040 5 |
x2 | 0.398 8 | 0.212 0 | -0.018 0 | - | -0.004 1 | -0.003 2 | 0.015 0 | 0.005 8 | -0.006 6 | 0.186 4 |
x3 | 0.607 6 | -0.014 0 | -0.026 9 | 0.061 9 | - | 0.001 3 | 0.022 4 | 0.010 3 | -0.012 5 | 0.551 0 |
x4 | 0.177 1 | 0.053 0 | 0.017 1 | -0.012 7 | -0.000 3 | - | 0.040 2 | 0.081 9 | 0.009 9 | 0.139 9 |
x5 | 0.361 0 | 0.119 0 | -0.002 9 | 0.026 7 | -0.002 6 | 0.017 9 | - | 0.089 8 | 0.014 0 | 0.227 2 |
x6 | 0.294 5 | 0.127 0 | 0.025 3 | 0.009 8 | -0.001 1 | 0.034 2 | 0.084 1 | - | 0.014 5 | 0.164 7 |
x7 | -0.347 3 | 0.025 0 | 0.019 3 | -0.055 8 | 0.007 0 | 0.020 9 | 0.066 6 | 0.073 7 | - | -0.311 0 |
x8 | 0.766 1 | 0.710 0 | 0.009 2 | 0.055 8 | -0.010 9 | 0.010 4 | 0.038 1 | 0.029 5 | -0.011 0 | - |
自变量Independent variable | 与y的简单相关系数 Simple correlation with y | 通径系数的直接作用 Direct action of path coefficient | 间接通径系数(间接作用) Indirect path coefficients (indirect effect) | |||||||
---|---|---|---|---|---|---|---|---|---|---|
x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8 | |||
x1 | -0.073 2 | 0.039 0 | - | -0.006 1 | -0.006 8 | -0.072 5 | -0.062 1 | -0.012 3 | -0.001 7 | -0.048 5 |
x2 | 0.222 6 | 0.032 0 | -0.007 5 | - | 0.002 4 | 0.329 6 | 0.259 6 | 0.035 6 | -0.078 0 | -0.053 3 |
x3 | 0.249 3 | 0.110 0 | -0.002 4 | 0.000 7 | - | -0.194 1 | -0.066 0 | -0.012 8 | 0.115 0 | 0.267 9 |
x4 | 0.359 9 | 0.529 0 | -0.005 3 | 0.019 9 | -0.040 4 | - | 0.334 8 | 0.051 5 | -0.115 5 | -0.077 0 |
x5 | 0.406 6 | 0.388 0 | -0.006 2 | 0.021 4 | -0.018 7 | 0.456 5 | - | 0.052 7 | -0.094 1 | 0.018 5 |
x6 | 0.357 0 | 0.060 0 | -0.008 0 | 0.019 0 | -0.023 4 | 0.454 4 | 0.341 1 | - | -0.084 7 | 0.002 2 |
x7 | -0.075 5 | -0.174 0 | 0.000 4 | 0.014 3 | -0.072 7 | 0.351 3 | 0.209 9 | 0.029 2 | - | -0.246 1 |
x8 | 0.389 0 | 0.370 0 | -0.005 1 | -0.004 6 | 0.079 6 | -0.110 0 | 0.019 4 | 0.036 0 | 0.115 7 | - |
Table 3 Path coefficient between soil factors (xi) and total colonization of dark septate endophytes (y) in Shapotou
自变量Independent variable | 与y的简单相关系数 Simple correlation with y | 通径系数的直接作用 Direct action of path coefficient | 间接通径系数(间接作用) Indirect path coefficients (indirect effect) | |||||||
---|---|---|---|---|---|---|---|---|---|---|
x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8 | |||
x1 | -0.073 2 | 0.039 0 | - | -0.006 1 | -0.006 8 | -0.072 5 | -0.062 1 | -0.012 3 | -0.001 7 | -0.048 5 |
x2 | 0.222 6 | 0.032 0 | -0.007 5 | - | 0.002 4 | 0.329 6 | 0.259 6 | 0.035 6 | -0.078 0 | -0.053 3 |
x3 | 0.249 3 | 0.110 0 | -0.002 4 | 0.000 7 | - | -0.194 1 | -0.066 0 | -0.012 8 | 0.115 0 | 0.267 9 |
x4 | 0.359 9 | 0.529 0 | -0.005 3 | 0.019 9 | -0.040 4 | - | 0.334 8 | 0.051 5 | -0.115 5 | -0.077 0 |
x5 | 0.406 6 | 0.388 0 | -0.006 2 | 0.021 4 | -0.018 7 | 0.456 5 | - | 0.052 7 | -0.094 1 | 0.018 5 |
x6 | 0.357 0 | 0.060 0 | -0.008 0 | 0.019 0 | -0.023 4 | 0.454 4 | 0.341 1 | - | -0.084 7 | 0.002 2 |
x7 | -0.075 5 | -0.174 0 | 0.000 4 | 0.014 3 | -0.072 7 | 0.351 3 | 0.209 9 | 0.029 2 | - | -0.246 1 |
x8 | 0.389 0 | 0.370 0 | -0.005 1 | -0.004 6 | 0.079 6 | -0.110 0 | 0.019 4 | 0.036 0 | 0.115 7 | - |
自变量Independent variable | 与y的简单相关系数 Simple correlation with y | 通径系数的直接作用 Direct action of path coefficient | 间接通径系数(间接作用) Indirect path coefficients (indirect effect) | |||||||
---|---|---|---|---|---|---|---|---|---|---|
x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8 | |||
x1 | 0.502 1 | 0.358 0 | - | -0.026 6 | 0.037 5 | 0.106 9 | -0.051 3 | -0.018 9 | 0.018 3 | -0.002 3 |
x2 | 0.179 2 | 0.190 0 | -0.050 1 | - | 0.011 0 | 0.042 3 | -0.001 4 | -0.002 1 | 0.000 5 | 0.016 2 |
x3 | 0.438 0 | 0.305 0 | 0.044 0 | 0.006 8 | - | 0.088 6 | -0.014 8 | -0.002 3 | 0.008 7 | 0.009 7 |
x4 | -0.511 6 | -0.226 0 | -0.007 1 | -0.030 2 | -0.101 6 | - | 0.034 8 | 0.008 7 | -0.013 3 | -0.143 9 |
x5 | -0.371 3 | 0.078 0 | -0.235 6 | -0.003 6 | -0.058 0 | -0.118 6 | - | 0.021 6 | -0.021 6 | -0.007 7 |
x6 | -0.264 9 | 0.034 0 | -0.199 0 | -0.011 6 | -0.021 0 | -0.067 8 | 0.049 5 | - | -0.011 2 | 0.004 8 |
x7 | -0.429 0 | -0.031 0 | -0.210 5 | 0.002 9 | -0.086 0 | -0.113 8 | 0.054 4 | 0.012 3 | - | 0.000 7 |
x8 | 0.136 0 | 0.041 0 | -0.019 7 | 0.075 2 | 0.072 0 | 0.046 3 | -0.014 7 | 0.004 0 | -0.000 5 | - |
Table 4 Path coefficient between soil factors (xi) and total colonization of dark septate endophytes (y) in Minqin
自变量Independent variable | 与y的简单相关系数 Simple correlation with y | 通径系数的直接作用 Direct action of path coefficient | 间接通径系数(间接作用) Indirect path coefficients (indirect effect) | |||||||
---|---|---|---|---|---|---|---|---|---|---|
x1 | x2 | x3 | x4 | x5 | x6 | x7 | x8 | |||
x1 | 0.502 1 | 0.358 0 | - | -0.026 6 | 0.037 5 | 0.106 9 | -0.051 3 | -0.018 9 | 0.018 3 | -0.002 3 |
x2 | 0.179 2 | 0.190 0 | -0.050 1 | - | 0.011 0 | 0.042 3 | -0.001 4 | -0.002 1 | 0.000 5 | 0.016 2 |
x3 | 0.438 0 | 0.305 0 | 0.044 0 | 0.006 8 | - | 0.088 6 | -0.014 8 | -0.002 3 | 0.008 7 | 0.009 7 |
x4 | -0.511 6 | -0.226 0 | -0.007 1 | -0.030 2 | -0.101 6 | - | 0.034 8 | 0.008 7 | -0.013 3 | -0.143 9 |
x5 | -0.371 3 | 0.078 0 | -0.235 6 | -0.003 6 | -0.058 0 | -0.118 6 | - | 0.021 6 | -0.021 6 | -0.007 7 |
x6 | -0.264 9 | 0.034 0 | -0.199 0 | -0.011 6 | -0.021 0 | -0.067 8 | 0.049 5 | - | -0.011 2 | 0.004 8 |
x7 | -0.429 0 | -0.031 0 | -0.210 5 | 0.002 9 | -0.086 0 | -0.113 8 | 0.054 4 | 0.012 3 | - | 0.000 7 |
x8 | 0.136 0 | 0.041 0 | -0.019 7 | 0.075 2 | 0.072 0 | 0.046 3 | -0.014 7 | 0.004 0 | -0.000 5 | - |
土壤因子 Soil factors | 第一主成分 PC1 | 第二主成分 PC2 |
---|---|---|
有机质 Organic matter | 0.771 | 0.293 |
速效P Available P | 0.717 | 0.498 |
易提取球囊霉素 Easily extractable glomalin | 0.313 | 0.930 |
总球囊霉素 Total extractable glomalin | 0.856 | -0.356 |
酸性磷酸酶 Acid phosphatase | 0.969 | -0.072 |
碱性磷酸酶 Alkaline phosphatase | 0.947 | -0.173 |
速效K Available K | 0.759 | -0.576 |
碱解N Available N | 0.109 | 0.926 |
特征值 Eigenvalue | 4.364 | 2.550 |
贡献率 Contribution rate | 54.544 | 31.877 |
Table 5 Principle component (PC) loading matrix, eigenvalue and contribution rate
土壤因子 Soil factors | 第一主成分 PC1 | 第二主成分 PC2 |
---|---|---|
有机质 Organic matter | 0.771 | 0.293 |
速效P Available P | 0.717 | 0.498 |
易提取球囊霉素 Easily extractable glomalin | 0.313 | 0.930 |
总球囊霉素 Total extractable glomalin | 0.856 | -0.356 |
酸性磷酸酶 Acid phosphatase | 0.969 | -0.072 |
碱性磷酸酶 Alkaline phosphatase | 0.947 | -0.173 |
速效K Available K | 0.759 | -0.576 |
碱解N Available N | 0.109 | 0.926 |
特征值 Eigenvalue | 4.364 | 2.550 |
贡献率 Contribution rate | 54.544 | 31.877 |
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