Comparative study of rhizosphere soil fungal community structure among different plants in Tomur Peak， Xinjiang

doi:10.11686/cyxb2024417

Abstract

Abstract:

The aims of this study were to explore the structure and function of the rhizosphere fungal community in different plant species growing around Tomur Peak， and to determine how these characteristics contribute to the maintenance of ecosystem stability. High-throughput sequencing technology was used to detect differences in fungal community structure in the rhizosphere soil among four plants； Codonopsis javanica，Poa annua， Geranium wilfordii， and Medicago sativa. Correlations between soil physicochemical properties and fungal community structure were also analyzed. The results showed that Shannon’s index and Simpson’s index， indicators of rhizosphere soil fungal diversity， were higher in C. javanica than in the other plant species. A non-metric multidimensional scaling analysis showed that the fungal community structure of C. javanica differed from that of the other plant species. Across all samples， the dominant fungal phyla in the rhizosphere soil were Ascomycota， Mortierellomycota， Basidiomycota， and Chytridiomycota. Mortierellales and Hypocreales were the dominant fungal orders， but their relative abundance varied among the four plant species. Among all samples， the dominant nutritional pattern of fungi was saprotrophic （32.1%-52.5%）， followed by symbiotrophic in rhizosphere soil of C. javanica （9.3%）； pathotrophic-saprotrophic inrhizosphere soil of G. wilfordii （4.1%）， and pathotrophic in rhizosphere soils of P. annua and M. sativa （8.3% and 15.8%， respectively）. Undefined saprophytic fungi was the dominant functional group （28.6%-44.2%）， but the proportions of other functional groups differed among plant species. In conclusion， we detected significant differences in the structure and composition of rhizosphere soil fungal communities among plant species. These results provide a theoretical basis for understanding the environmental adaptation strategies of alpine plants and for designing ecological restoration strategies for this region.

Key words: Tomur Peak, high-throughput sequencing, rhizosphere soil fungi, functional group, ecological restoration

Ying WANG, Ming-yuan LI, Mairiyangu·Yasheng, Ji-lian WANG. Comparative study of rhizosphere soil fungal community structure among different plants in Tomur Peak， Xinjiang[J]. Acta Prataculturae Sinica, 2025, 34(7): 83-94.

Figures/Tables 10

References 36

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植被类型 Vegetation type	pH	TN （mg·kg^-1）	AN （mg·kg^-1）	AP （mg·kg^-1）	TP （g·kg^-1）	TK （g·kg^-1）	AK （mg·kg^-1）	SOM （g·kg^-1）
野党参 C. javanica	8.05±0.23ab	3.00±0.16a	172.38±9.85a	5.94±0.19c	0.88±0.07a	15.94±0.38a	219.26±9.77b	44.04±1.65c
早熟禾 P. annua	8.40±0.15a	3.05±0.16a	170.76±10.43a	22.66±1.57b	0.88±0.07a	14.47±0.80ab	773.66±13.13a	62.18±3.03b
老鹳草 G. wilfordii	7.71±0.22b	3.56±0.22a	209.41±3.54a	48.08±2.66a	1.00±0.08a	13.40±0.76bc	246.26±7.38b	86.16±1.89a
紫花苜蓿 M. sativa	7.69±0.17b	2.93±1.07a	162.96±44.79a	16.08±6.73b	0.96±0.18a	12.72±0.25c	236.50±12.31b	47.99±13.08bc

植被类型 Vegetation type	pH	TN （mg·kg^-1）	AN （mg·kg^-1）	AP （mg·kg^-1）	TP （g·kg^-1）	TK （g·kg^-1）	AK （mg·kg^-1）	SOM （g·kg^-1）
野党参 C. javanica	8.05±0.23ab	3.00±0.16a	172.38±9.85a	5.94±0.19c	0.88±0.07a	15.94±0.38a	219.26±9.77b	44.04±1.65c
早熟禾 P. annua	8.40±0.15a	3.05±0.16a	170.76±10.43a	22.66±1.57b	0.88±0.07a	14.47±0.80ab	773.66±13.13a	62.18±3.03b
老鹳草 G. wilfordii	7.71±0.22b	3.56±0.22a	209.41±3.54a	48.08±2.66a	1.00±0.08a	13.40±0.76bc	246.26±7.38b	86.16±1.89a
紫花苜蓿 M. sativa	7.69±0.17b	2.93±1.07a	162.96±44.79a	16.08±6.73b	0.96±0.18a	12.72±0.25c	236.50±12.31b	47.99±13.08bc

植被类型Vegetation type	Chao1指数Chao1 index	均匀度指数Pielou_e index	香农指数Shannon index	辛普森指数Simpson index
野党参C. javanica	285.31±30.91a	0.78±0.04a	6.36±0.30a	0.97±0.01a
早熟禾P. annua	357.66±85.01a	0.74±0.02a	6.29±0.18a	0.97±0.01ab
老鹳草G. wilfordii	262.02±42.78a	0.72±0.02a	5.71±0.24b	0.94±0.01b
紫花苜蓿M. sativa	232.00±140.34a	0.77±0.05a	5.84±0.32ab	0.96±0.01ab

植被类型Vegetation type	Chao1指数Chao1 index	均匀度指数Pielou_e index	香农指数Shannon index	辛普森指数Simpson index
野党参C. javanica	285.31±30.91a	0.78±0.04a	6.36±0.30a	0.97±0.01a
早熟禾P. annua	357.66±85.01a	0.74±0.02a	6.29±0.18a	0.97±0.01ab
老鹳草G. wilfordii	262.02±42.78a	0.72±0.02a	5.71±0.24b	0.94±0.01b
紫花苜蓿M. sativa	232.00±140.34a	0.77±0.05a	5.84±0.32ab	0.96±0.01ab

营养型Trophic type	野党参C. javanica	早熟禾P. annua	老鹳草G. wilfordii	紫花苜蓿M. sativa
腐生营养型Saprotroph	0.337±0.069b	0.515±0.023a	0.379±0.067b	0.321±0.049b
病理营养型Pathotroph	0.033±0.010c	0.083±0.011b	0.014±0.004c	0.158±0.054a
共生营养型Symbiotroph	0.093±0.022a	0.041±0.005b	0.005±0.000c	0.014±0.004bc
病理腐生共生过渡型 Pathotroph-saprotroph-symbiotroph	0.018±0.003abc	0.056±0.029ab	0.011±0.005c	0.064±0.036a
病理腐生过渡型 Pathotroph-saprotroph	0.007±0.006b	0.018±0.007ab	0.041±0.010a	0.035±0.026ab
病理共生过渡型 Pathotroph-symbiotroph	0.024±0.009a	0.021±0.011a	0.007±0.003a	0.023±0.011a
腐生共生过渡型 Saprotroph-symbiotroph	0.002±0.001a	0.002±0.001a	0.003±0.001a	0.002±0.001a
病原体腐生共生过渡型 Pathogen-saprotroph-symbiotroph	-	-	-	0.000±0.000