Associações Rhizobium - Leguminosas no Estado de Rondõnia

Magalhães, Fátima M. M.; Silva, Marlene F. da

doi:10.1590/1809-43921987175017

Cited by 3 publications

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“…It is important to note that the ability to nodulate has been secondarily lost multiple times in the crown group of Papilionoideae: (1) Chaetocalyx–Nissolia group in the Adesmia clade (Dalbergieae); (2) genus Bocoa (Swartzieae tribe) and (3) Leucomphalos – Baphiopsis group in the Baphieae tribe. The single negative reports for the papilionoid core group genera Platysepalum (Diabaté et al., ), Barbieria (Magalhães & Silva, ) and Grazielodendron (Faria et al., ) warrant independent re‐evaluation.…”

Section: Resultsmentioning

confidence: 98%

Global database of plants with root‐symbiotic nitrogen fixation: NodDB

Tedersoo

Laanisto

Rahimlou

et al. 2018

J Vegetation Science

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Plants associated with symbiotic N‐fixing bacteria play important roles in early successional, riparian and semi‐dry ecosystems. These so‐called N‐fixing plants are widely used for reclamation of disturbed vegetation and improvement of soil fertility in agroforestry. Yet, available information about plants that are capable of establishing nodulation is fragmented and somewhat outdated. This article introduces the NodDB database of N‐fixing plants based on morphological and phylogenetic evidence (available at https://doi.org/10.15156/bio/587469) and discusses plant groups with conflicting reports and interpretation, such as certain legume clades and the Zygophyllaceae family. During angiosperm evolution, N‐fixing plants became common in the fabid rather than in the ‘nitrogen‐fixing’ clade. The global GBIF plant species distribution data indicated that N‐fixing plants tend to be relatively more diverse in savanna and semi‐desert biomes. The compiled and re‐interpreted information about N‐fixing plants enables accurate analyses of biogeography and community ecology of biological N fixation.

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Section: Resultsmentioning

confidence: 98%

Global database of plants with root‐symbiotic nitrogen fixation: NodDB

Tedersoo

Laanisto

Rahimlou

et al. 2018

J Vegetation Science

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Rhizobia and endophytic bacteria isolated from rainforest fragments within an iron ore mining site of the Eastern Brazilian Amazon

et al. 2021

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Nitrogen‐fixing legumes and silvigenesis in a rain forest in French Guiana: a taxonomic and ecological approach

Roggy

Prévost²

1999

New Phytologist

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The nodulation status and nodule morphology of 62 taxa of Leguminosae in a rain forest in French Guiana are reported according to the taxonomy of the family. The N2‐fixing species are then fitted into ‘functional groups’ according to their behaviour towards illumination, in order to evaluate their importance in the global dynamics of the stand. The results showed that 67% of the observed species were nodulated (50, 71 and 77% of the Caesalpiniaceae, Mimosaceae and Papilionaceae, respectively). In the Caesalpiniaceae, nodule‐like structures were reported in the genus Crudia and in the species Senna quinquangulata, although this needs to be confirmed. All the nodules studied in this subfamily were astragaloid and mucunoid. In the Mimosaceae, the ability of a new genus (Balizia) to form nodules was reported, as well as nodulation on aerial roots in Inga stipularis. The nodules studied were mainly mucunoid. In the Papilionaceae, nodulation on aerial roots in Poecilanthe hostmannii and on conventional roots of the genus Paramachaerium were reported for the first time. All types of nodular structures were found in this subfamily but the structures were quite uniform at the tribal level. These are consistent with suggestions that nodule morphology has a taxonomic value. Eight functional groups of N2‐fixing species are proposed, ranging from light dependance to shade tolerance. These results indicate the important role played by N2‐fixing species in the global dynamics of the stand and that N inputs by N2 fixation were continuous along the gradient of energetic resources that characterizes the silvigenetic process. The interactions between the photosynthetic capacities of the species and the ability to fix N2 in low light conditions are discussed.

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Associações Rhizobium - Leguminosas no Estado de Rondõnia

Cited by 3 publications

References 0 publications

Global database of plants with root‐symbiotic nitrogen fixation: NodDB

Global database of plants with root‐symbiotic nitrogen fixation: NodDB

Rhizobia and endophytic bacteria isolated from rainforest fragments within an iron ore mining site of the Eastern Brazilian Amazon

Nitrogen‐fixing legumes and silvigenesis in a rain forest in French Guiana: a taxonomic and ecological approach

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