Co-inoculation with a dark septate endophyte alters arbuscular mycorrhizal colonization of two widespread plants of the sagebrush steppe

Carpenter, Craig L.; White, Merlin M.; Serpe, Marcelo D.

doi:10.1007/s13199-021-00819-8

Cited by 4 publications

(8 citation statements)

References 88 publications

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“…All three vegetation types exist within a semi‐arid climate context and are commonly heavily invaded by V. dubia . We expected to find higher levels of AMF colonization in V. dubia collected from scab‐flats and low sage‐steppe sites, as these sites support sagebrush species that are known to be heavily colonized by AMF (Busby et al, 2013; Carpenter et al, 2021; Prado‐Tarango et al, 2021). Additionally, scab‐flats and low sage‐steppe have lower moisture availability than wet meadows, and we predict that fungal mutualisms may be most important for facilitating invasion success in these more stressful vegetation types.…”

Section: Figurementioning

confidence: 97%

“…AMF colonization of V. dubia total root length averaged 11.0% (SE = 3.6%), ranging from 0% to 89.5%. This is relatively low compared to native hosts including sagebrush species which often have mean AMF colonization of >60% (Busby et al, 2013; Carpenter et al, 2021; Prado‐Tarango et al, 2021). Our findings of AMF colonization in V. dubia were comparable to other invasive annual grasses including B. tectorum where AMF colonization ranged from 0% to 33% (Busby et al, 2013).…”

Section: Figurementioning

confidence: 99%

“…In contrast to AMF, DSE were most abundant in V. dubia collected from the least productive, scab‐flat plots (Figure 3). While little is known about the ecological role of DSE, they are often associated with dry ecosystems and studies have shown that they may affect the extent of AMF colonization and alter plant‐AMF symbiotic relationships (Carpenter et al, 2021). For example, inoculation with DSE doubled AMF colonization of a desirable perennial bunchgrass, Poa secunda , but had no effect on AMF colonization of A. tridentata in a greenhouse setting, suggesting that the role of DSE may be species or functional group specific (Carpenter et al, 2021).…”

Section: Figurementioning

confidence: 99%

“…While little is known about the ecological role of DSE, they are often associated with dry ecosystems and studies have shown that they may affect the extent of AMF colonization and alter plant‐AMF symbiotic relationships (Carpenter et al, 2021). For example, inoculation with DSE doubled AMF colonization of a desirable perennial bunchgrass, Poa secunda , but had no effect on AMF colonization of A. tridentata in a greenhouse setting, suggesting that the role of DSE may be species or functional group specific (Carpenter et al, 2021). Further research is necessary to better understand the role of DSE in facilitating invasion, diversity, and stress resistance in arid plant communities.…”

Section: Figurementioning

confidence: 99%

See 3 more Smart Citations

Getting to the root of it: Root colonization by fungal symbionts in the invasive grass Ventenata dubia

Luedloff

Tortorelli

Luoma

et al. 2022

Ecology

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Section: Figurementioning

confidence: 97%

Section: Figurementioning

confidence: 99%

Section: Figurementioning

confidence: 99%

Section: Figurementioning

confidence: 99%

See 2 more Smart Citations

Getting to the root of it: Root colonization by fungal symbionts in the invasive grass Ventenata dubia

Luedloff

Tortorelli

Luoma

et al. 2022

Ecology

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“…Artemisia tridentata forms associations with AMF, and results from pot and field experiments indicate that this symbiosis can improve its growth and seedling establishment [ 39 , 40 , 41 ]. However, neutral and adverse effects of AMF on the growth or establishment of A. tridentata seedlings have also been reported [ 35 , 42 , 43 , 44 ]. In addition, questions remain about the impact of AMF colonization on seedlings’ drought tolerance.…”

Section: Introductionmentioning

confidence: 99%

Arbuscular Mycorrhizae Alter Photosynthetic Responses to Drought in Seedlings of Artemisia tridentata

Geisler,

Buerki,

Serpe

2023

Plants

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The establishment of Artemisia tridentata, a keystone species of the sagebrush steppe, is often limited by summer drought. Symbioses with arbuscular mycorrhizal fungi (AMF) can help plants to cope with drought. We investigated this possible effect on A. tridentata seedlings inoculated with native AMF and exposed to drought in greenhouse and field settings. In greenhouse experiments, AMF colonization increased intrinsic water use efficiency under water stress and delayed the decrease in photosynthesis caused by drought, or this decrease occurred at a lower soil water content. In the field, we evaluated the effect of AMF inoculation on colonization, leaf water potential, survival, and inflorescence development. Inoculation increased AMF colonization, and the seedlings experienced water stress, as evidenced by water potentials between −2 and −4 MPa and reduced stomatal conductance. However, survival remained high, and no differences in water potentials or survival occurred between treatments. Only the percentage of plants with inflorescence was higher in inoculated than non-inoculated seedlings. Overall, the greenhouse results support that AMF colonization enhances drought tolerance in A. tridentata seedlings. Yet, the significance of these results in increasing survival in nature remains to be tested under more severe drought than the plants experienced in our field experiment.

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The first report of dark septate endophytes from Indonesian Pinus merkusii and its symbiosis role as a plant growth promoter in nursery condition

AKHIR,

HERLIYANA,

SURONO

et al. 2024

Biodiversitas

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Abstract. Akhir J, Herliyana EN, Surono, Budi SW. 2024. The first report of dark septate endophytes from Indonesian Pinus merkusii and its symbiosis role as a plant growth promoter in nursery condition. Biodiversitas 25: 312-321. To encourage the healthy growth of Pinus merkusii Jungh et de Vriese seedlings at the seedling stage, Dark Septate Endophytic (DSE) fungi were used as growth promoters. In this study, four DSE strains, i.e., Apls 1.5.3, Pls 32.1, Hs14.6a, and Hs14.6c isolated from P. merkusii roots, were tested for their ability to stimulate the growth of P. merkusii seedlings. After 14 weeks of incubation in nursery conditions, P. merkusii seedlings inoculated with four DSE strains experienced a higher increase in height and stem diameter when compared to the control treatment. Overall, the biomass results of P. merkusii seedlings treated with the DSE strains performed better than those of the control. Root colonization of P. merkusii seedlings showed that the 4 DSE strains significantly outperformed the control. The Hs14.6c strain outperformed the other strains and controls regarding nutrient (nitrogen) uptake. The findings of this study are the first to show that the DSE Apls 1.5.3 strain is similar to Cylindroccarpon, the Hs14.6a and Hs14.6c strains are similar to Cladophialophora sp., and the Pls 32.1 strain is similar to Oncopodiella trigonella based on identification results and phylogenetic trees and can be in symbiosis with seeds of P. merkusii, a pine species native to Indonesia.

show abstract

Co-inoculation with a dark septate endophyte alters arbuscular mycorrhizal colonization of two widespread plants of the sagebrush steppe

Cited by 4 publications

References 88 publications

Getting to the root of it: Root colonization by fungal symbionts in the invasive grass Ventenata dubia

Getting to the root of it: Root colonization by fungal symbionts in the invasive grass Ventenata dubia

Arbuscular Mycorrhizae Alter Photosynthetic Responses to Drought in Seedlings of Artemisia tridentata

The first report of dark septate endophytes from Indonesian Pinus merkusii and its symbiosis role as a plant growth promoter in nursery condition

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