Chin J Plant Ecol ›› 2014, Vol. 38 ›› Issue (9): 949-958.DOI: 10.3724/SP.J.1258.2014.00089
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YAN Jiao,HE Xue-Li(),ZHANG Ya-Juan,XU Wei,ZHANG Juan,ZHAO Li-Li
Received:
2014-03-13
Accepted:
2014-07-02
Online:
2014-03-13
Published:
2014-09-22
Contact:
HE Xue-Li
YAN Jiao,HE Xue-Li,ZHANG Ya-Juan,XU Wei,ZHANG Juan,ZHAO Li-Li. Colonization of arbuscular mycorrhizal fungi and dark septate endophytes in roots of desert Salix psammophila[J]. Chin J Plant Ecol, 2014, 38(9): 949-958.
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URL: https://www.plant-ecology.com/EN/10.3724/SP.J.1258.2014.00089
Fig. 1 Structures of arbuscular mycorrhizal fungi (AMF) and dark septate endophytes (DSE) in Salix psammophila. A, hyphae of AMF (June). B, hyphae of AMF (August). C, hyphae of AMF (October). D, hyphal coil of AMF. E, vesicle of AMF (June). F, vesicle of AMF (August). G, vesicle of AMF (October). H, arbuscule of Arum maculatum. I, compound arbuscule of Paris-type. J, irregular vesicle of AMF. K, L, DSE hyphae. M, vascular tissue of DSE infected root. N, circular vesicle of DSE. O, irregular vesicle of DSE. P, Q, microsclerotia of DSE.
月份 Month | 土层 Soil layer (cm) | AMF | DSE | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
孢子 密度 Spore density (No.· 20 g-1 soil) | 泡囊 定殖率 Vesicular colonization rate (%) | 菌丝 定殖率 Hyphal coloniza- tion rate (%) | 丛枝 定殖率 Arbusc- ular coloniza- tion rate (%) | 定殖 强度 Coloniza- tion intensity (%) | 总定 殖率 Total colonization rate (%) | 泡囊 定殖率 Vesicular colonization rate (%) | 菌丝 定殖率 Hyphal colonization rate (%) | 微菌核 定殖率 Micro- sclerotia colonization rate (%) | 定殖 强度 Coloniza- tion intensity (%) | 总定 殖率 Total coloniza- tion rate (%) | |||
6月 June | 0-10 | 86bB | 38bB | 66aB | 3bA | 61aB | 51bB | 22aA | 78aA | 32aA | 61abB | 80abA | |
10-20 | 103aC | 56aA | 60abB | 8aB | 48abA | 64aB | 14abA | 79aA | 19bcA | 67aA | 87aA | ||
20-30 | 94bB | 31bB | 57abC | 10aA | 35bcC | 54bC | 8abA | 77aA | 9cdB | 58abA | 81abA | ||
30-40 | 82bB | 23bB | 41bB | 0cB | 29cB | 56abA | 2cA | 67aB | 7dA | 46bB | 48bC | ||
40-50 | 90bA | 23bB | 38bB | 4bA | 30bcA | 48bA | 0cA | 73aA | 22abA | 48abA | 77abA | ||
均值 Mean | 91b | 34b | 53b | 5b | 41b | 54b | 9a | 75b | 18b | 56b | 75b | ||
8月 August | 0-10 | 158aA | 62aA | 95aA | 11aA | 69aB | 97aA | 8aB | 93aA | 31aA | 40bB | 97aA | |
10-20 | 136abB | 42abA | 87abA | 7bB | 64bA | 87abA | 1bA | 91abA | 8bA | 64aA | 91abA | ||
20-30 | 144abA | 28bB | 77abB | 1cA | 60bB | 77abB | 2bA | 85abA | 6bB | 60abA | 85abA | ||
30-40 | 111bcB | 40abB | 82abA | 9abA | 73aA | 82abA | 2bA | 71bB | 12bA | 53abB | 71bB | ||
40-50 | 102cA | 42abAB | 63bAB | 1cA | 61bA | 63bA | 1bA | 74abA | 9bB | 41bA | 74bA | ||
均值 Mean | 130a | 43b | 81a | 6b | 63a | 81a | 3b | 83a | 13b | 52b | 83a | ||
10月 October | 0-10 | 145bA | 84aA | 100aA | 13bA | 94aA | 100aA | 0bB | 100aA | 47aA | 87aA | 100aA | |
10-20 | 189aA | 61abA | 100aA | 25aA | 84bA | 100aA | 3aA | 86bA | 14bA | 76abA | 94bA | ||
20-30 | 136bA | 70abA | 100aA | 3cA | 86bA | 100aA | 0bA | 97aA | 37aA | 70bA | 92bA | ||
30-40 | 153bA | 63abA | 77bAB | 0cB | 77bA | 83bA | 0bA | 93aA | 20bA | 69bA | 93bA | ||
40-50 | 108cA | 53bA | 80bA | 7bcA | 52cA | 87bA | 3aA | 90aA | 13bAB | 52cA | 90bA | ||
均值 Mean | 146a | 66a | 91a | 10a | 79a | 94a | 1b | 77b | 26a | 71a | 94a | ||
显著性 Significance | p(Y) | 0.000 | 0.000 | 0.000 | 0.023 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.001 | |
p(T) | 0.000 | 0.001 | 0.000 | 0.000 | 0.001 | 0.017 | 0.001 | 0.037 | 0.000 | 0.001 | 0.008 | ||
p(Y×T) | 0.002 | 0.025 | 0.612 | 0.000 | 0.074 | 0.298 | 0.004 | 0.426 | 0.000 | 0.043 | 0.141 |
Table 1 Colonization of arbuscular mycorrhizal fungi (AMF) and dark septate endophytes (DSE) in the rhizosphere of Salix psammophila in various soil layers at different times
月份 Month | 土层 Soil layer (cm) | AMF | DSE | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
孢子 密度 Spore density (No.· 20 g-1 soil) | 泡囊 定殖率 Vesicular colonization rate (%) | 菌丝 定殖率 Hyphal coloniza- tion rate (%) | 丛枝 定殖率 Arbusc- ular coloniza- tion rate (%) | 定殖 强度 Coloniza- tion intensity (%) | 总定 殖率 Total colonization rate (%) | 泡囊 定殖率 Vesicular colonization rate (%) | 菌丝 定殖率 Hyphal colonization rate (%) | 微菌核 定殖率 Micro- sclerotia colonization rate (%) | 定殖 强度 Coloniza- tion intensity (%) | 总定 殖率 Total coloniza- tion rate (%) | |||
6月 June | 0-10 | 86bB | 38bB | 66aB | 3bA | 61aB | 51bB | 22aA | 78aA | 32aA | 61abB | 80abA | |
10-20 | 103aC | 56aA | 60abB | 8aB | 48abA | 64aB | 14abA | 79aA | 19bcA | 67aA | 87aA | ||
20-30 | 94bB | 31bB | 57abC | 10aA | 35bcC | 54bC | 8abA | 77aA | 9cdB | 58abA | 81abA | ||
30-40 | 82bB | 23bB | 41bB | 0cB | 29cB | 56abA | 2cA | 67aB | 7dA | 46bB | 48bC | ||
40-50 | 90bA | 23bB | 38bB | 4bA | 30bcA | 48bA | 0cA | 73aA | 22abA | 48abA | 77abA | ||
均值 Mean | 91b | 34b | 53b | 5b | 41b | 54b | 9a | 75b | 18b | 56b | 75b | ||
8月 August | 0-10 | 158aA | 62aA | 95aA | 11aA | 69aB | 97aA | 8aB | 93aA | 31aA | 40bB | 97aA | |
10-20 | 136abB | 42abA | 87abA | 7bB | 64bA | 87abA | 1bA | 91abA | 8bA | 64aA | 91abA | ||
20-30 | 144abA | 28bB | 77abB | 1cA | 60bB | 77abB | 2bA | 85abA | 6bB | 60abA | 85abA | ||
30-40 | 111bcB | 40abB | 82abA | 9abA | 73aA | 82abA | 2bA | 71bB | 12bA | 53abB | 71bB | ||
40-50 | 102cA | 42abAB | 63bAB | 1cA | 61bA | 63bA | 1bA | 74abA | 9bB | 41bA | 74bA | ||
均值 Mean | 130a | 43b | 81a | 6b | 63a | 81a | 3b | 83a | 13b | 52b | 83a | ||
10月 October | 0-10 | 145bA | 84aA | 100aA | 13bA | 94aA | 100aA | 0bB | 100aA | 47aA | 87aA | 100aA | |
10-20 | 189aA | 61abA | 100aA | 25aA | 84bA | 100aA | 3aA | 86bA | 14bA | 76abA | 94bA | ||
20-30 | 136bA | 70abA | 100aA | 3cA | 86bA | 100aA | 0bA | 97aA | 37aA | 70bA | 92bA | ||
30-40 | 153bA | 63abA | 77bAB | 0cB | 77bA | 83bA | 0bA | 93aA | 20bA | 69bA | 93bA | ||
40-50 | 108cA | 53bA | 80bA | 7bcA | 52cA | 87bA | 3aA | 90aA | 13bAB | 52cA | 90bA | ||
均值 Mean | 146a | 66a | 91a | 10a | 79a | 94a | 1b | 77b | 26a | 71a | 94a | ||
显著性 Significance | p(Y) | 0.000 | 0.000 | 0.000 | 0.023 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.001 | |
p(T) | 0.000 | 0.001 | 0.000 | 0.000 | 0.001 | 0.017 | 0.001 | 0.037 | 0.000 | 0.001 | 0.008 | ||
p(Y×T) | 0.002 | 0.025 | 0.612 | 0.000 | 0.074 | 0.298 | 0.004 | 0.426 | 0.000 | 0.043 | 0.141 |
月份 Month | 土层 Soil layer (cm) | 温度 Tem- perature (℃) | 湿度 Humidity (%) | pH值 pH value | 有机碳 Organic carbon (mg·g-1) | 易提取 球囊霉素 Easily extracted glomalin (mg·g-1) | 总球囊霉素 Total glomalin (mg·g-1) | 酸性 磷酸酶 Acid phosphatase (μg·g-1·h-1) | 碱性 磷酸酶 Alkaline phosphatase (μg·g-1·h-1) | 碱解氮 Available nitrogen (μg·g-1) | 速效磷 Available phospho- rus (μg·g-1) |
---|---|---|---|---|---|---|---|---|---|---|---|
6月 June | 0-10 | 27.3aA | 5.8bC | 8.1aA | 2.0aC | 0.4aB | 1.4aA | 34.8aB | 37.5aC | 12.8aA | 3.0aAB |
10-20 | 23.5bA | 6.6aB | 8.0aB | 1.0bC | 0.5aB | 1.1aB | 26.1bB | 36.1aA | 6.4bA | 2.5aA | |
20-30 | 22.3bcA | 5.8bB | 7.8aAB | 0.9bB | 0.5aB | 0.5bB | 25.4bB | 22.8bB | 6.4bB | 2.4aA | |
30-40 | 21.4cA | 5.9abB | 7.7aB | 0.9bC | 0.4bB | 0.8bB | 24.6bA | 14.5cB | 5.3bB | 2.0aA | |
40-50 | 21.1cA | 5.2bB | 7.6aB | 0.7bC | 0.3bB | 0.7bB | 24.1bA | 12.1cC | 7.6bA | 2.6aA | |
均值 Mean | 23.1a | 5.9b | 7.8b | 1.1c | 0.4b | 0.9b | 27.0b | 24.6c | 7.7b | 2.6a | |
8月 August | 0-10 | 21.5abA | 12.6aB | 8.6aA | 3.2aB | 0.5abB | 1.3bA | 37.5aB | 52.0aB | 11.8aAB | 2.5aB |
10-20 | 21.0bA | 12.7aA | 8.7aA | 3.1aB | 0.6aB | 1.9aA | 35.4aA | 34.3bA | 7.0bA | 2.5aA | |
20-30 | 21.1abA | 11.4aA | 8.4aA | 2.2bB | 0.6aB | 1.4bA | 23.1bB | 22.2cB | 9.9abA | 2.6aA | |
30-40 | 21.5abA | 7.5bA | 8.3aA | 2.1bB | 0.5abB | 1.0cB | 22.4bA | 24.1cAB | 6.4bAB | 2.5aA | |
40-50 | 21.9aA | 7.6bA | 8.4aA | 2.0bB | 0.4bB | 1.2abA | 17.4cB | 20.3cB | 8.8bcA | 1.8bB | |
均值 Mean | 21.4a | 10.2a | 8.5a | 2.5b | 0.5b | 1.4a | 27.2b | 30.6b | 8.8a | 2.4a | |
10月 October | 0-10 | 3.2abB | 16.2aA | 7.0aB | 5.8aA | 1.1aA | 1.2abA | 54.2aA | 63.0aA | 9.3aB | 4.0aA |
10-20 | 2.8bB | 14.3b A | 7.8aB | 5.4bA | 1.2aA | 1.6aAB | 31.5bA | 33.4bA | 7.0abA | 1.7bA | |
20-30 | 3.3abB | 11.0cA | 7.4aB | 5.5bA | 1.1aA | 1.3abA | 31.9bA | 27.8cA | 5.8bB | 2.0bA | |
30-40 | 4.3abB | 7.0dA | 7.4aB | 5.0cA | 1.0aA | 1.2bA | 23.7cA | 28.3cA | 8.8aA | 1.6bB | |
40-50 | 4.4aB | 7.7dA | 7.7aB | 4.9cA | 1.1aA | 1.3abA | 21.6cA | 27.8cA | 7.6abA | 2.4bA | |
均值 Mean | 3.6b | 11.2a | 7.7b | 5.3a | 1.1a | 1.3a | 32.6a | 36.1a | 7.7b | 2.3a | |
显著性 Significance | p(Y) | 0.000 | 0.000 | 0.000 | 0.214 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
p(T) | 0.000 | 0.000 | 0.390 | 0.479 | 0.000 | 0.000 | 0.591 | 0.000 | 0.000 | 0.000 | |
p(Y×T) | 0.000 | 0.000 | 0.998 | 0.328 | 0.000 | 0.000 | 0.895 | 0.000 | 0.000 | 0.000 |
Table 2 Soil factors in the rhizosphere of Salix psammophila in various soil layers at different times
月份 Month | 土层 Soil layer (cm) | 温度 Tem- perature (℃) | 湿度 Humidity (%) | pH值 pH value | 有机碳 Organic carbon (mg·g-1) | 易提取 球囊霉素 Easily extracted glomalin (mg·g-1) | 总球囊霉素 Total glomalin (mg·g-1) | 酸性 磷酸酶 Acid phosphatase (μg·g-1·h-1) | 碱性 磷酸酶 Alkaline phosphatase (μg·g-1·h-1) | 碱解氮 Available nitrogen (μg·g-1) | 速效磷 Available phospho- rus (μg·g-1) |
---|---|---|---|---|---|---|---|---|---|---|---|
6月 June | 0-10 | 27.3aA | 5.8bC | 8.1aA | 2.0aC | 0.4aB | 1.4aA | 34.8aB | 37.5aC | 12.8aA | 3.0aAB |
10-20 | 23.5bA | 6.6aB | 8.0aB | 1.0bC | 0.5aB | 1.1aB | 26.1bB | 36.1aA | 6.4bA | 2.5aA | |
20-30 | 22.3bcA | 5.8bB | 7.8aAB | 0.9bB | 0.5aB | 0.5bB | 25.4bB | 22.8bB | 6.4bB | 2.4aA | |
30-40 | 21.4cA | 5.9abB | 7.7aB | 0.9bC | 0.4bB | 0.8bB | 24.6bA | 14.5cB | 5.3bB | 2.0aA | |
40-50 | 21.1cA | 5.2bB | 7.6aB | 0.7bC | 0.3bB | 0.7bB | 24.1bA | 12.1cC | 7.6bA | 2.6aA | |
均值 Mean | 23.1a | 5.9b | 7.8b | 1.1c | 0.4b | 0.9b | 27.0b | 24.6c | 7.7b | 2.6a | |
8月 August | 0-10 | 21.5abA | 12.6aB | 8.6aA | 3.2aB | 0.5abB | 1.3bA | 37.5aB | 52.0aB | 11.8aAB | 2.5aB |
10-20 | 21.0bA | 12.7aA | 8.7aA | 3.1aB | 0.6aB | 1.9aA | 35.4aA | 34.3bA | 7.0bA | 2.5aA | |
20-30 | 21.1abA | 11.4aA | 8.4aA | 2.2bB | 0.6aB | 1.4bA | 23.1bB | 22.2cB | 9.9abA | 2.6aA | |
30-40 | 21.5abA | 7.5bA | 8.3aA | 2.1bB | 0.5abB | 1.0cB | 22.4bA | 24.1cAB | 6.4bAB | 2.5aA | |
40-50 | 21.9aA | 7.6bA | 8.4aA | 2.0bB | 0.4bB | 1.2abA | 17.4cB | 20.3cB | 8.8bcA | 1.8bB | |
均值 Mean | 21.4a | 10.2a | 8.5a | 2.5b | 0.5b | 1.4a | 27.2b | 30.6b | 8.8a | 2.4a | |
10月 October | 0-10 | 3.2abB | 16.2aA | 7.0aB | 5.8aA | 1.1aA | 1.2abA | 54.2aA | 63.0aA | 9.3aB | 4.0aA |
10-20 | 2.8bB | 14.3b A | 7.8aB | 5.4bA | 1.2aA | 1.6aAB | 31.5bA | 33.4bA | 7.0abA | 1.7bA | |
20-30 | 3.3abB | 11.0cA | 7.4aB | 5.5bA | 1.1aA | 1.3abA | 31.9bA | 27.8cA | 5.8bB | 2.0bA | |
30-40 | 4.3abB | 7.0dA | 7.4aB | 5.0cA | 1.0aA | 1.2bA | 23.7cA | 28.3cA | 8.8aA | 1.6bB | |
40-50 | 4.4aB | 7.7dA | 7.7aB | 4.9cA | 1.1aA | 1.3abA | 21.6cA | 27.8cA | 7.6abA | 2.4bA | |
均值 Mean | 3.6b | 11.2a | 7.7b | 5.3a | 1.1a | 1.3a | 32.6a | 36.1a | 7.7b | 2.3a | |
显著性 Significance | p(Y) | 0.000 | 0.000 | 0.000 | 0.214 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
p(T) | 0.000 | 0.000 | 0.390 | 0.479 | 0.000 | 0.000 | 0.591 | 0.000 | 0.000 | 0.000 | |
p(Y×T) | 0.000 | 0.000 | 0.998 | 0.328 | 0.000 | 0.000 | 0.895 | 0.000 | 0.000 | 0.000 |
项目 Item | 温度 Tem- perature | 湿度 Humidity | pH值 pH value | 有机碳 Organic carbon | 易提取 球囊霉素 Easily extracted glomalin | 总球囊 霉素 Total glomalin | 酸性 磷酸酶 Acid phosphatase | 碱性磷酸酶 Alkaline phosphatase | 碱解氮 Available nitrogen | 速效磷 Available phosphorus | |
---|---|---|---|---|---|---|---|---|---|---|---|
AMF | 孢子密度 Spore density | -0.604* | 0.817** | -0.003 | 0.735** | 0.393 | 0.486 | 0.634* | 0.599* | 0.180 | -0.257 |
泡囊定殖率Vesicular colonization | -0.729** | 0.636* | -0.394 | 0.839** | 0.608* | 0.765** | 0.641** | 0.382 | 0.230 | -0.136 | |
菌丝定殖率 Hyphal colonization | -0.605* | 0.838** | 0.023 | 0.839** | 0.553* | 0.669** | 0.660** | 0.652** | 0.179 | 0.170 | |
丛枝定殖率 Arbuscular colonization | -0.336 | 0.574* | -0.030 | 0.375 | 0.440 | 0.483 | 0.372 | 0.211 | 0.134 | 0.118 | |
定殖强度 Colonization intensity | -0.616* | 0.734** | -0.132 | 0.830** | 0.535* | 0.632* | 0.634* | 0.580* | 0.188 | 0.148 | |
总定殖率 Total colonization | -0.718** | 0.837** | -0.077 | 0.867** | 0.477 | 0.579* | 0.721** | 0.578* | 0.226 | 0.118 | |
DSE | 泡囊定殖率Vesicular colonization | 0.507 | -0.319 | -0.264 | 0.847** | 0.102 | 0.246 | 0.694** | 0.554* | -0.111 | 0.015 |
菌丝定殖率Hyphal colonization | -0.693** | 0.727** | -0.479 | 0.473 | 0.618* | 0.685** | 0.312 | 0.071 | 0.302* | 0.209 | |
微菌核定殖率Microsclerotia colonization | -0.356 | 0.355 | -0.537* | 0.598* | 0.753** | 0.699** | 0.578* | 0.314 | 0.103 | 0.206 | |
定殖强度Colonization intensity | -0.595* | 0.532* | -0.125 | 0.702** | 0.591* | 0.495 | 0.526* | 0.528* | 0.222 | 0.550* | |
总定殖率 Total colonization | -0.543* | 0.644** | -0.003 | 0.735** | 0.526* | 0.684** | 0.634* | -0.052 | 0.372* | 0.329 |
Table 3 Correlations among arbuscular mycorrhizal fungi (AMF), dark septate endophytes (DSE) and soil factors
项目 Item | 温度 Tem- perature | 湿度 Humidity | pH值 pH value | 有机碳 Organic carbon | 易提取 球囊霉素 Easily extracted glomalin | 总球囊 霉素 Total glomalin | 酸性 磷酸酶 Acid phosphatase | 碱性磷酸酶 Alkaline phosphatase | 碱解氮 Available nitrogen | 速效磷 Available phosphorus | |
---|---|---|---|---|---|---|---|---|---|---|---|
AMF | 孢子密度 Spore density | -0.604* | 0.817** | -0.003 | 0.735** | 0.393 | 0.486 | 0.634* | 0.599* | 0.180 | -0.257 |
泡囊定殖率Vesicular colonization | -0.729** | 0.636* | -0.394 | 0.839** | 0.608* | 0.765** | 0.641** | 0.382 | 0.230 | -0.136 | |
菌丝定殖率 Hyphal colonization | -0.605* | 0.838** | 0.023 | 0.839** | 0.553* | 0.669** | 0.660** | 0.652** | 0.179 | 0.170 | |
丛枝定殖率 Arbuscular colonization | -0.336 | 0.574* | -0.030 | 0.375 | 0.440 | 0.483 | 0.372 | 0.211 | 0.134 | 0.118 | |
定殖强度 Colonization intensity | -0.616* | 0.734** | -0.132 | 0.830** | 0.535* | 0.632* | 0.634* | 0.580* | 0.188 | 0.148 | |
总定殖率 Total colonization | -0.718** | 0.837** | -0.077 | 0.867** | 0.477 | 0.579* | 0.721** | 0.578* | 0.226 | 0.118 | |
DSE | 泡囊定殖率Vesicular colonization | 0.507 | -0.319 | -0.264 | 0.847** | 0.102 | 0.246 | 0.694** | 0.554* | -0.111 | 0.015 |
菌丝定殖率Hyphal colonization | -0.693** | 0.727** | -0.479 | 0.473 | 0.618* | 0.685** | 0.312 | 0.071 | 0.302* | 0.209 | |
微菌核定殖率Microsclerotia colonization | -0.356 | 0.355 | -0.537* | 0.598* | 0.753** | 0.699** | 0.578* | 0.314 | 0.103 | 0.206 | |
定殖强度Colonization intensity | -0.595* | 0.532* | -0.125 | 0.702** | 0.591* | 0.495 | 0.526* | 0.528* | 0.222 | 0.550* | |
总定殖率 Total colonization | -0.543* | 0.644** | -0.003 | 0.735** | 0.526* | 0.684** | 0.634* | -0.052 | 0.372* | 0.329 |
土壤因子 Soil factor | 第一主成分 PC1 | 第二主成分 PC2 | 第三主成分 PC3 |
---|---|---|---|
温度 Temperature | -0.614 | -0.539 | 0.521 |
湿度 Humidity | 0.867 | 0.128 | 0.253 |
pH值 pH value | 0.699 | -0.513 | 0.141 |
有机碳 Organic carbon | 0.364 | -0.027 | 0.298 |
酸性磷酸酶 Acid phosphatase | 0.540 | 0.519 | 0.589 |
碱性磷酸酶 Alkaline phosphatase | 0.607 | 0.388 | 0.608 |
易提取球囊霉素 Easily extracted glomalin | 0.574 | 0.536 | -0.506 |
总球囊霉素 Total glomalin | 0.476 | -0.829 | 0.162 |
碱解氮 Available nitrogen | -0.863 | 0.283 | 0.337 |
速效磷 Available phosphorus | -0.872 | 0.297 | 0.331 |
特征值 Eigenvalue | 4.472 | 2.133 | 1.666 |
贡献率 Contribution rate | 44.720 | 21.335 | 16.655 |
Table 4 Principle component (PC) loading matrix, eigenvalue and contribution rate
土壤因子 Soil factor | 第一主成分 PC1 | 第二主成分 PC2 | 第三主成分 PC3 |
---|---|---|---|
温度 Temperature | -0.614 | -0.539 | 0.521 |
湿度 Humidity | 0.867 | 0.128 | 0.253 |
pH值 pH value | 0.699 | -0.513 | 0.141 |
有机碳 Organic carbon | 0.364 | -0.027 | 0.298 |
酸性磷酸酶 Acid phosphatase | 0.540 | 0.519 | 0.589 |
碱性磷酸酶 Alkaline phosphatase | 0.607 | 0.388 | 0.608 |
易提取球囊霉素 Easily extracted glomalin | 0.574 | 0.536 | -0.506 |
总球囊霉素 Total glomalin | 0.476 | -0.829 | 0.162 |
碱解氮 Available nitrogen | -0.863 | 0.283 | 0.337 |
速效磷 Available phosphorus | -0.872 | 0.297 | 0.331 |
特征值 Eigenvalue | 4.472 | 2.133 | 1.666 |
贡献率 Contribution rate | 44.720 | 21.335 | 16.655 |
AMF | DSE | |||||
---|---|---|---|---|---|---|
泡囊定殖率 Vesicular colonization | 菌丝定殖率 Hyphal colonization | 微菌核定殖率 Microsclerotia colonization | 定殖强度 Colonization intensity | 总定殖率 Total colonization | ||
孢子密度 Spore density | -0.429 | 0.708** | 0.261 | 0.453* | 0.636** | |
泡囊定殖率 Vesicular colonization | -0.232 | 0.809** | 0.781** | 0.582* | 0.787** | |
菌丝定殖率 Hyphal colonization | -0.356 | 0.809** | 0.548* | 0.471* | 0.778** | |
丛枝定殖率 Arbuscular colonization | 0.035 | 0.240 | 0.199 | 0.412 | 0.303 | |
定殖强度 Intensity | -0.354 | 0.703** | 0.635** | 0.570* | 0.678** | |
总定殖率 Total colonization | -0.552* | 0.804** | 0.422 | 0.414 | 0.694** |
Table 5 Correlations between arbuscular mycorrhizal fungi (AMF) and dark septate endophytes (DSE)
AMF | DSE | |||||
---|---|---|---|---|---|---|
泡囊定殖率 Vesicular colonization | 菌丝定殖率 Hyphal colonization | 微菌核定殖率 Microsclerotia colonization | 定殖强度 Colonization intensity | 总定殖率 Total colonization | ||
孢子密度 Spore density | -0.429 | 0.708** | 0.261 | 0.453* | 0.636** | |
泡囊定殖率 Vesicular colonization | -0.232 | 0.809** | 0.781** | 0.582* | 0.787** | |
菌丝定殖率 Hyphal colonization | -0.356 | 0.809** | 0.548* | 0.471* | 0.778** | |
丛枝定殖率 Arbuscular colonization | 0.035 | 0.240 | 0.199 | 0.412 | 0.303 | |
定殖强度 Intensity | -0.354 | 0.703** | 0.635** | 0.570* | 0.678** | |
总定殖率 Total colonization | -0.552* | 0.804** | 0.422 | 0.414 | 0.694** |
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