In order to explore the application feasibility of AMF (Arbuscular Mycorrhizal Fungi) in vegetation restoration of roadside in Qinghai-Tibet Plateau, the seeds of Puccinellia tenuiflora were inoculated with GM(Glomus mosseae), GE(Glomus etunicatum) and GC(Glomus constrictum) separately by pot experiment and field experiment, and taking no-inculation as control check. The effects of AMF on the colonization rate, height, shoot biomass, root biomass and other indicators of Puccinellia tenuiflora rate were analyzed. The results of pot experiment showed that all three AMF species could infect the root system of Puccinellia tenuiflora and form mycorrhiza; the colonization percentage of GM, GC and GE were 41.5%, 36.25% and 34.25% respectively; compared with the control, the height, aboveground biomass, underground biomass and total biomass of plants were significantly increased by the three AMF species; the content of N, P and K of the upper part of Puccinellia tenuiflora inoculated by GM were increased by 27.74%, 100%, 17.48%, and the same index enhanced by GC were 26.01%, 61.90% and 13.43%; Meanwhile, soil water content and soil N, P and K content were also increased by three AMF species. The results of field experiments also showed that the growth of Puccinellia tenuiflora and the vegetation coverage were promoted significantly by AMF. The results demonstrate that AMF could promote the growth of Puccinellia tenuiflora and has great application potential in vegetation restoration of roadside in Qinghai-Tibet Plateau.
王新军，陈学平，陈济丁，杨艳刚，刘 欢，姚 拓
. Application of Arbuscular Mycorrhizal Fungi in Vegetation Restoration of Roadside in Qinghai-Tibet Plateau[J]. Transport Research, 2021
, 7(2)
: 115
-121
.
DOI: 10.16503/j.cnki.2095-9931.2021.02.014
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