How can mycorrhizal symbiosis mediate multiple abiotic stresses in woody plants?

Bueno, C. Guillermo; Meng, Yiming; Neuenkamp, Lena

doi:10.1016/j.flora.2022.152146

Cited by 4 publications

(2 citation statements)

References 47 publications

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“…Furthermore, stomatal limitation (Ls) was promoted by the association of the fungus in Q. suber seedlings. As known, stomata play a critical role in the regulation of gas exchange which confirms our hypothesis on the role of mycorrhiza on plant adaptation under harsh conditions (Bueno et al, 2022;Madouh and Quoreshi, 2023).…”

Section: Discussion Discussion Discussionsupporting

confidence: 90%

Effect of mycorrhization on growth and physiology performance of Quercus species

SLAMA,

FKIRI,

MEZNI

et al. 2023

Not Bot Horti Agrobo

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The development of mycorrhiza could contribute to strengthening the resilience of forest ecosystems to climate change. Several mycorrhizal fungi are known for their valuable effect in increasing plant performances and adaptation to stressful environmental conditions. Thereby, this research aims to investigate how Terfezia boudieri (Chatin) mycorrhizal fungi affects the growth (primary root length, above-ground plant weight) and the physiological behaviour (net photosynthesis, responses to intercellular [CO2] and the intensity of photosyntically active radiation) of Quercus subsp. coccifera and Q. suber L. Inoculated and non-inoculated seedlings of the two Quercus species were grown in one-liter pots in the greenhouse, with a temperature that ranged from 25 to 30 °C, natural lighting and an irrigation applied twice a week with top water. Results revealed that primary root length and the above-ground biomass increased with mycorrhization. In addition, mycorrhization promoted net photosynthesis (at 400 ppm and at saturation point), the apparent quantum yield, the water use efficiency, and the photosynthetic pigments contents. However, inoculation decreased the light compensation point for both species. Effectiveness of T. boudieri inoculation on Quercus sp. performance, highlights the potential of the mycorrhization process to improve forest management and resilience to climate change.

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Section: Discussion Discussion Discussionsupporting

confidence: 90%

Effect of mycorrhization on growth and physiology performance of Quercus species

SLAMA,

FKIRI,

MEZNI

et al. 2023

Not Bot Horti Agrobo

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“…While our study provides valuable information on ITV in response to drought in a controlled environment, we recognize the need for further research to explore trait variation and its implications for coping with drought under more realistic field conditions. Moreover, plasticity in response to drought might also be influenced by other factors that were not considered in our study, such as mycorrhizal symbiosis ( Puy et al., 2022 ; Bueno et al., 2022 ) and soil microbiome diversity (bacteria, viruses, and protists) that can enhance physiological and biochemical plant strategies to mitigate drought stress ( Valencia et al., 2018 ; Poudel et al., 2021 ).…”

Section: Discussionmentioning

confidence: 99%

Intraspecific variation in fine-root traits is larger than in aboveground traits in European herbaceous species regardless of drought

Rodríguez-Alarcón,

Tamme,

Carmona

2024

Front. Plant Sci.

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Differences within species (Intraspecific trait variation - ITV) contribute substantially to overall trait variability and environmental harshness can reduce among-species variation. While aboveground traits have received considerable attention, knowledge about ITV in fine-root traits and how it differs from ITV in aboveground traits remains limited. This study examined the partitioning of trait variation aboveground and fine-root traits in 52 European herbaceous species and how such proportions change in response to drought, offering valuable insights for accurate functional species characterization and inter-species comparisons. We studied seven morphological aboveground and fine-root traits under drought and well-watered conditions in a greenhouse experiment. Linear mixed effect models and permutational multivariate analysis of variance (PERMANOVA) were employed to decompose trait variation, ensuring the robustness of our results. We also calculated variance partitioning for the combination of aboveground traits and the combination of fine-root traits, as well as pairs of analogous leaf and fine-root traits (i.e., traits that fulfill similar functions) for each treatment (control and drought). Among-species trait differences explained a greater proportion of overall variance than within-species variation, except for root dry matter content (RDMC). Height and leaf area stood out, with species’ identity accounting for 87-90% of total trait variation. Drought had no significant effect on the proportions of variation in any of the traits. However, the combination of fine-root traits exhibited higher intraspecific variability (44-44%) than aboveground traits (19-21%) under both drought and control. Analogous root traits also showed higher ITV (51-50%) than analogous leaf traits (27-31%). Our findings highlight substantial within-species variation and the nuanced responses of fine-root traits, particularly RDMC, suggesting root traits’ flexibility to soil heterogeneity that fosters less differentiation among species. Among-species trait differences, especially aboveground, may underscore distinct strategies and competitive abilities for resource acquisition and utilization. This study contributes to elucidate the mechanisms underlying the multifunctionality of the above- and belowground plants compartments.

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Species diversity of arbuscular mycorrhizal but not ectomycorrhizal plants decreases with habitat loss due to environmental filtering

Zhong

et al. 2023

Plant Soil

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How can mycorrhizal symbiosis mediate multiple abiotic stresses in woody plants?

Cited by 4 publications

References 47 publications

Effect of mycorrhization on growth and physiology performance of Quercus species

Effect of mycorrhization on growth and physiology performance of Quercus species

Intraspecific variation in fine-root traits is larger than in aboveground traits in European herbaceous species regardless of drought

Species diversity of arbuscular mycorrhizal but not ectomycorrhizal plants decreases with habitat loss due to environmental filtering

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