Divergent root P uptake strategies of three temperate grassland forage species

Chippano, Tomás; Mendoza, Rodolfo; Cofré, Noelia; García, Ileana

doi:10.1016/j.rhisph.2021.100312

Cited by 9 publications

(3 citation statements)

References 37 publications

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“…A similar effect was observed also for the grass species Dactylis glomerata , which in our study was found to be significantly associated with the MYC+CO meadow ( French, 2017 ). Although we did not perform a chemical characterization of the forage, previous studies found increased P levels in forage from AM inoculated plants ( Smith et al., 2003 ; Chippano et al., 2021 ).…”

Section: Discussionmentioning

confidence: 99%

Boosting species evenness, productivity and weed control in a mixed meadow by promoting arbuscular mycorrhizas

Oddi,

Volpe,

Carotenuto

et al. 2024

Front. Plant Sci.

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Lowland meadows represent aboveground and belowground biodiversity reservoirs in intensive agricultural areas, improving water retention and filtration, ensuring forage production, contrasting erosion and contributing to soil fertility and carbon sequestration. Besides such major ecosystem services, the presence of functionally different plant species improves forage quality, nutritional value and productivity, also limiting the establishment of weeds and alien species. Here, we tested the effectiveness of a commercial seed mixture in restoring a lowland mixed meadow in the presence or absence of inoculation with arbuscular mycorrhizal (AM) fungi and biostimulation of symbiosis development with the addition of short chain chito-oligosaccharides (CO). Plant community composition, phenology and productivity were regularly monitored alongside AM colonization in control, inoculated and CO-treated inoculated plots. Our analyses revealed that the CO treatment accelerated symbiosis development significantly increasing root colonization by AM fungi. Moreover, the combination of AM fungal inoculation and CO treatment improved plant species evenness and productivity with more balanced composition in forage species. Altogether, our study presented a successful and scalable strategy for the reintroduction of mixed meadows as valuable sources of forage biomass; demonstrated the positive impact of CO treatment on AM development in an agronomic context, extending previous observations developed under controlled laboratory conditions and leading the way to the application in sustainable agricultural practices.

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Section: Discussionmentioning

confidence: 99%

Boosting species evenness, productivity and weed control in a mixed meadow by promoting arbuscular mycorrhizas

Oddi,

Volpe,

Carotenuto

et al. 2024

Front. Plant Sci.

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“…Owing to the smaller diameter of hyphae and lower metabolic cost of hyphal growth, AMF may be more exible in response to nutrient patches than roots (Hodge, 2006). Mycorrhizal fungi have been reported to have a strong in uence on root proliferation and root function (Cui and Caldwell, 1996;Cheng et al, 2016;Gao et al, 2021), and therefore, change root foraging and plant nutrient uptake strategies (Felderer et al, 2013;Chippano et al, 2021). However, AMF colonization is not always bene cial for plants, as mycorrhizal associations vary from mutualism to parasitism, depending on the host species, soil fertility, and other environmental conditions (Klironomos, 2003;Shah et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

Effects of arbuscular mycorrhizal fungi on root foraging and competitive ability depend on soil phosphorus distribution: Evidence from two pairs of invasive and native plants

Yao,

Wang,

Deng

et al. 2024

Preprint

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Besides uptake of nutrients by roots, plants can acquire nutrients through arbuscular mycorrhizal fungi (AMF). AMF play a crucial role in plant growth and competition. However, few studies have investigated the effects of AMF on root-foraging and competition between invasive and native species in response to heterogeneous nutrients. Two pairs of invasive and native plants of the Asteraceae family were selected to create a common garden experiment involving three factors (heterogeneous vs. homogeneous phosphorus (P), with vs. without AMF, and monoculture vs. mixture). The results showed that AMF significantly reduced the foraging scale of the invasive species, Bidens pilosa,and decreased the precision of the invasive species, Praxelis clematidea, and the native species, Emilia sonchifolia. In monoculture, AMF significantly decreased the total biomass of the two invasive species under heterogeneous P rather than homogeneous P, which was confirmed by N and P uptake. In mixture, heterogeneity significantly decreased the tolerance competitive ability of B. pilosabut increased that of P. clematidea. In the homogeneous P, AMF significantly decreased the suppression ability of B. pilosa, while in the heterogeneous P, AMF decreased that of P. clematidea. Heterogeneous P with AMF increased the suppression ability of B. pilosa but decreased that of P. clematidea. The interactive effects of AMF and soil P distribution on root foraging and nutrient uptake and competition differ among the four species and show invasive-native pair differences. These findings provide valuable insights into the interactive effects and highlight the context dependency of these interactions.

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“…Owing to the smaller diameter of hyphae and lower metabolic cost of hyphal growth, AMF may be more exible in response to nutrient patches than roots (Hodge, 2006). Mycorrhizal fungi have been reported to have a strong in uence on root proliferation (Cui and Caldwell, 1996;Cheng et al, 2016), and therefore, change root foraging and plant nutrient uptake strategies (Tibbett, 2000;Felderer et al, 2013;Chippano et al, 2021). However, AMF colonization is not always bene cial for plants, as mycorrhizal associations vary from mutualism to parasitism, depending on the host species, soil fertility, and other environmental conditions (Klironomos, 2003;Shah et al, 2009;Facelli et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Effects of arbuscular mycorrhizal fungi on root foraging and competitive ability between native and invasive plants

Yao,

Wang,

Deng

et al. 2023

Preprint

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Background and Aims Besides the direct uptake of nutrients by roots, plants can acquire nutrients through the aid of arbuscular mycorrhizal fungi (AMF). AMF play a crucial role in plant growth and competitive abilities. However, few studies have investigated the effects of AMF on root-foraging, and their interactive effects on competition between native and invasive species in response to heterogeneous nutrients. Methods Two invasive plants and their two co-existing native plants of the Asteraceae family were selected to create a common garden experiment involving three factors (heterogeneous vs. homogeneous phosphorus, with vs. without AMF inoculation, and monoculture vs. mixture). Results AMF significantly reduced the foraging scale of the invasive species, Bidens pilosa, and decreased the precision of the invasive species, Praxelis clematidea, and the native species, Emilia sonchifolia. There were significant interactive effects of AMF and phosphorus heterogeneity on plant biomass and nutrient uptake. Heterogeneity significantly decreased the tolerance ability of B. pilosa but increased that of P. clematidea. In the homogeneous treatment, AMF significantly decreased the suppression ability of B. pilosa, while in the heterogeneous treatment, AMF decreased that of P. clematidea. Heterogeneous phosphorus with AMF increased the suppression relative interaction intensity of B. pilosa but decreased that of P. clematidea. Conclusion The interactive effects of AMF and phosphorus heterogeneity on root foraging and competitive abilities differ between invasive and native plants and show invasive-native pair differences. These findings provide valuable insights into the interactive effects of AMF and roots on nutrient uptake and competition in different nutrient distributions.

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Divergent root P uptake strategies of three temperate grassland forage species

Cited by 9 publications

References 37 publications

Boosting species evenness, productivity and weed control in a mixed meadow by promoting arbuscular mycorrhizas

Boosting species evenness, productivity and weed control in a mixed meadow by promoting arbuscular mycorrhizas

Effects of arbuscular mycorrhizal fungi on root foraging and competitive ability depend on soil phosphorus distribution: Evidence from two pairs of invasive and native plants

Effects of arbuscular mycorrhizal fungi on root foraging and competitive ability between native and invasive plants

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