Interactions between arbuscular mycorrhizal fungi and exotic grasses differentially affect the establishment of seedlings of early- and late-successional woody species

Zangaro, Waldemar; Lescano, Luis Eduardo Azevedo Marques; Matsuura, Enio Massao; Rondina, Artur Berbel Lirio; Nogueira, Marco Antônio

doi:10.1016/j.apsoil.2017.12.003

Cited by 7 publications

(11 citation statements)

References 54 publications

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“…Physic nut (Jatropha curcas L.) also showed a low response to R. clarus, and, depending on the dose of compost, there was a negative effect on plant growth (Schiavo et al, 2010). Mycorrhizal colonization caused growth depression in Urochloa plants in a high-fertility soil; conversely, mycorrhizal plants grown in a low-fertility soil grew twice as much the non-mycorrhizal ones (Zangaro et al, 2018).…”

Section: Resultsmentioning

confidence: 90%

“…Nevertheless, P availability is one of the main factors affecting mycorrhizal colonization (Costa et al, 2012), which is usually inversely proportional to P availability (Schiavo et al, 2010). Although AMF may induce growth depression in the host plant under high P availability owing to drain of photoassimilates (Zangaro et al, 2018), no negative effect was observed in accumulated shoot biomass compared with the non-mycorrhizal plants (Table 2). Physic nut (Jatropha curcas L.) also showed a low response to R. clarus, and, depending on the dose of compost, there was a negative effect on plant growth (Schiavo et al, 2010).…”

Section: Resultsmentioning

confidence: 98%

“…As AMF are obligate biotrophs, the production of propagules requires a living host. Thus, brachiaria (Urochloa brizantha) was used as host plant for multiplication of AMF (Zangaro et al, 2018). Seeds were rinsed with distilled water and incubated on moistened Germitest® paper rolls at 25 o C and 95% relative air humidity for seven days.…”

Section: Methodsmentioning

confidence: 99%

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Enrichment of organic compost with beneficial microorganisms and yield performance of corn and wheat

Andrade

Fernandes

Júnior

et al. 2021

Rev. bras. eng. agríc. ambient.

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Enrichment with beneficial microorganisms may increase the benefits of organic compost. The aim of this study was to evaluate the enrichment of a mature compost with plant growth-promoting bacteria and arbuscular mycorrhizal fungus (Rhizophagus clarus), using brachiaria (Urochloa brizantha) as host plant, totaling seven treatments: control (compost with no bacteria, brachiaria or mycorrhizal fungus); compost + brachiaria; compost + brachiaria + mycorrhizal fungus; compost + brachiaria + mycorrhizal fungus + Azorhizobium sp.; compost + brachiaria + mycorrhizal fungus + Azoarcus sp.; compost + brachiaria + mycorrhizal fungus + Bacillus subtilis; and compost + brachiaria + mycorrhizal fungus + Azotobacter sp., in a completely randomized design with three replicates. Brachiaria shoot biomass, N and P concentrations, mycorrhizal colonization, and chemical characteristics of the compost were assessed five times over 183 days. B. subtilis and Azotobacter increased ammonium-N concentration in the compost in two and three sampling dates, respectively. In contrast, Azotobacter and Azoarcus decreased the concentrations of nitrate-N in at least one sampling. Despite high P availability in the compost (951-2927 mg kg-1), mycorrhizal colonization reached up to 53%. In a field trial with the produced composts, in a randomized block design with six repetitions, the composts with brachiaria doubled the mycorrhizal colonization of corn (Zea mays) and wheat (Triticum aestivum), independent of the growth-promoting bacteria and, depending on the associated bacteria, increased grain yields.

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Section: Resultsmentioning

confidence: 90%

Section: Resultsmentioning

confidence: 98%

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Enrichment of organic compost with beneficial microorganisms and yield performance of corn and wheat

Andrade

Fernandes

Júnior

et al. 2021

Rev. bras. eng. agríc. ambient.

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“…Before collecting the soil, the litter layer was removed manually. The soil samples were sieved and mixed with sand (2 mm in diameter) at 1:1 ratio (v/v) and sterilized with water-steam for 72 hours to eliminate all AMF propagules (Zangaro et al, 2018). Subsequently, the soil-sand mixture was transferred to black plastic bags (1000 cm 3 ).…”

Section: Soil Sampling Sterilization and Analysismentioning

confidence: 99%

“…Studies have shown that plant-AMF symbiosis increases seedling survival and growth, and thus, plant inoculation with AMF could be a valuable procedure in ecological restoration projects (Janos, 1980a;Kardol and Wardle, 2010). However, plant-AMF compatibility and soil type could play a major role in the symbiosis with tropical tree seedlings under field conditions (Janos, 1980a, b;Guadarrama et al, 2004a, b;Zangaro et al, 2012Zangaro et al, , 2013Zangaro et al, , 2018Martínez-García et al, 2015;Turner et al, 2018;van der Sande et al, 2018). Therefore, under field conditions, these aspects should be analyzed for a more appropriate evaluation of the AMF use in ecological restoration projects (Álvarez-Sánchez et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

Arbuscular mycorrhizal fungi improve the growth of pioneer tree species of tropical forests on savanna and tropical rainforest soils under nursery conditions

et al. 2021

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Background: Tropical rainforests and savannas are often spatially distributed at close distances. The combined effects of soil type and arbuscular mycorrhizal fungi (AMF) might contribute to explain the preference of tropical rainforest tree species for forest areas over those of savannas. However, few studies have examined such effects on pioneer tropical tree species. Objective: Evaluate the effects of soil type and inoculation with an AMF consortium on the growth of seedlings of pioneer tree species of tropical rainforest. Methods: A factorial 2 x 2 experiment was conducted to evaluate the role of soil type (rainforest or savanna) and native AMF consortium on growth (height and stem diameter) of four native pioneer tree seedling species under tree nursery conditions. Results and conclusions: The highest growth was detected on rainforest soils inoculated with AMF. Uninoculated plants growing on savanna soils rendered the lowest performance. AMF inoculation could be a valuable procedure in ecological restoration projects of tropical forests.

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Occurrence of plant suppression gradients through common mycorrhizal networks across ecological groups during successional dynamics

Bertagnoli,

Pimenta,

Colozzi Filho

et al. 2024

Pedobiologia

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Interactions between arbuscular mycorrhizal fungi and exotic grasses differentially affect the establishment of seedlings of early- and late-successional woody species

Cited by 7 publications

References 54 publications

Enrichment of organic compost with beneficial microorganisms and yield performance of corn and wheat

Enrichment of organic compost with beneficial microorganisms and yield performance of corn and wheat

Arbuscular mycorrhizal fungi improve the growth of pioneer tree species of tropical forests on savanna and tropical rainforest soils under nursery conditions

Occurrence of plant suppression gradients through common mycorrhizal networks across ecological groups during successional dynamics

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