Seedling development of nodulating and non-nodulating native legumes in soils from Brazilian Caatinga biome
DOI:
https://doi.org/10.14719/pst.2015.2.2.97Keywords:
tree legume, nodulation, photosynthesis, semi-aridAbstract
This study aimed to evaluate the initial development of the nodulating legumes jurema-rosa (Mimosa verrucosa Benth.) and angico [Anadenanthera colubrina (Vell.) Brenan] and the non-nodulating legumes umburana-de-cheiro [Amburana cearensis (Allemao) A.C. Smith] and caatingueira-verdadeira [Poincianella pyramidalis (Tul.) L.P. Queiroz]. Plants were grown in pots containing soil samples from six areas in Brazilian Caatinga biome region. Differences at the nodulation in plant roots were observed among the soils studied, pointing out a Vertisol covered by an introduced legume. The leaf gas exchange evaluations also showed differences among the plants grown in the different soils used as substrate mainly to angico and caatingueira-verdadeira.
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