Arbuscular mycorrhizal fungi facilitate growth and competitive ability of an exotic species Flaveria bidentis

Zhang, Fengjuan; Qiao, Lingling; Chen, Fengxin; Xu, Haiyun; Inderjit, Inderjit; Wan, Fang‐Hao

doi:10.1016/j.soilbio.2017.08.019

Cited by 46 publications

(32 citation statements)

References 54 publications

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“…A meta‐analysis showed that native plants indeed suffer from reduced AM colonization when in competition with invasive plants compared with when they are growing alone, and are often less AM colonized than their invasive counterparts (Bunn et al , ). Higher AM colonization on the invasive plants than on the natives may provide competitive advantages to some invaders over the natives (Zhang et al , ).…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, plant invasion may magnify the differences of AM benefits on invasive and native plants, which in turn further facilitates invasion. Previous research has shown that invasive and native hosts significantly differ in their preferences for, and dependencies on, different AM taxa (Hawkes et al , ; Zhang et al , ). On the one hand, invasive plants can selectively accumulate the most beneficial fungal species in favour of their own growth (Reinhart & Callaway, ; Zhang et al , ).…”

Section: Introductionmentioning

confidence: 99%

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Arbuscular mycorrhizal fungi are a double‐edged sword in plant invasion controlled by phosphorus concentration

et al. 2020

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Arbuscular mycorrhizal fungi are a double‐edged sword in plant invasion controlled by phosphorus concentration

et al. 2020

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“…nutrient and water) and promote the growth of plants (Mg et al 37; Yang et al 68). The participation of AMF results in the increase of the growth rate (Bray et al 7) and competitive ability (Zhang et al 70). The AMF tested here can improve the growth of the invasive plant W. trilobata (Figs 2 and 3).…”

Section: Discussionmentioning

confidence: 99%

Arbuscular mycorrhizal fungi improve the growth and disease resistance of the invasive plant Wedelia trilobata

Chen

et al. 2019

J Appl Microbiol

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Aims Arbuscular mycorrhizal fungi (AMF) are symbiotic partners of many invasive plants, however, it is still unclear how AMF contribute to traits that are important for the successful invasion of their host and how environmental factors, such as nutrient conditions, influence this. This study was to explore the effects of Glomus versiforme (GV) and Glomus mosseae (GM) on the growth and disease resistance of the invasive plant Wedelia trilobata under different nutrient conditions. Methods and Results We found that GV and GM had higher root colonization rates resulting in faster W. trilobata growth under both low‐N and low‐P nutrient conditions compared to the normal condition. Also, the colonization of W. trilobata by GV significantly reduced the infection area of the pathogenic fungus Rhizoctonia solani under low‐N conditions. Conclusions These results demonstrated that AMF can promote the growth and pathogenic defence of W. trilobata in a nutrient‐poor environment, which might contribute to their successful invasion into certain type of habitats. Significance and Impact of the Study In this study, we report for the first time that AMF can promote growth and disease resistance of W. trilobata under nutrient‐poor environment, which contribute to a better understanding of plant invasion.

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“…For example, some studies indicated that AMF colonization of the exotic species was usually higher than that of the native species. The AMF provided more nutrients to the exotic plants and promoted the competitive ability of the exotic plants relative to the native plants (Yang et al, 2015;Zhang et al, 2017Zhang et al, , 2018. Also, other studies showed that the symbiotic relationship between the native plants and the AMF could be changed by the invasion of the exotic species (Callaway et al, 2008;Lekberg et al, 2013;Bunn et al, 2015).…”

Section: Introductionmentioning

confidence: 97%

Nitrogen Uptake, Not Transfer of Carbon and Nitrogen by CMN, Explains the Effect of AMF on the Competitive Interactions Between Flaveria bidentis and Native Species

et al. 2021

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Rhizophagus intraradices, one of the common arbuscular mycorrhizal fungi (AMF) grown in the roots of Flaveria bidentis, facilitates the invasion of this exotic plant species into China. However, it is still unknown whether nutrient transfer through the common mycorrhizal networks (CMN) between this exotic species and the native species enhances the competitive growth of F. bidentis over the native species. To elucidate this question and the related mechanism, an isotopic labeling technique was used to test the transfer of carbon (C) and nitrogen (N) by CMN. Native species like Setaria viridis and Eclipta prostrata were selected to compete with F. bidentis in a polyvinyl chloride (PVC) box. Two competitive groups (F. bidentis-S. viridis and F. bidentis- E. prostrata), three treatments (monoculture of F. bidentis, the mixture of F. bidentis and the native plant, and the monoculture of the native plant), and two levels of AMF (presence or absence) were assigned. Results showed that the corrected index of relative competition intensity (CRCI) of F. bidentis in the presence of AMF < 0 suggests that the competition facilitated the growth of F. bidentis with either S. viridis or E. prostrata. The reason was that the inoculation of R. intra radices significantly increased the C and N contents of F. bidentis in the mixtures. However, the effects of R. intra radices on the two native species were different: negative effect on the growth of S. viridis and positive effect on the growth of E. prostrata. The change of N content in S. viridis or E. prostrata was consistent with the variation of the biomass, suggesting that the N uptake explains the effects of R. intraradices on the competitive interactions between F. bidentis and the two native species. Moreover, the transfer of C and N via AMF hyphal links did occur between F. bidentis and the native species. However, the transfer of C and N by the CMN was not positively related to the competitive growth of F. bidentis.

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Arbuscular mycorrhizal fungi facilitate growth and competitive ability of an exotic species Flaveria bidentis

Cited by 46 publications

References 54 publications

Arbuscular mycorrhizal fungi are a double‐edged sword in plant invasion controlled by phosphorus concentration

Arbuscular mycorrhizal fungi are a double‐edged sword in plant invasion controlled by phosphorus concentration

Arbuscular mycorrhizal fungi improve the growth and disease resistance of the invasive plant Wedelia trilobata

Nitrogen Uptake, Not Transfer of Carbon and Nitrogen by CMN, Explains the Effect of AMF on the Competitive Interactions Between Flaveria bidentis and Native Species

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