Abstract
Amburana cearensis (Allemao) A.C. Smith is a widely used legume by the population due to its medicinal properties. This species establish symbiosis with the arbuscular mycorrhizal fungi (AMF) that can increase the production of secondary metabolites, a fact which has not been clarified for this plant. Therefore, the aim of this study was to examine the contribution of the AMF in the production increase of foliar bioactive compounds in A. cearensis seedlings. The experiment which under-goes protected roofing was carried out using four inoculation treatments: non-inoculated control treatment, inoculated with Gigaspora albida, inoculated with Claroideoglomus etunicatum and inoculated with Acaulospora longula. After 160 days, the following was examined: dry matter of the aerial part, chlorophylls a, b and total, soluble carbohydrates, total proteins, total phenols, total flavonoids and total tannins. A. cearensis seedlings inoculate with C. etunicatum accumulated more dry matter of the aerial part (78.38%), total chlorophylls (24.28%) and chlorophylls b (53.63%), total phenols (47.82%), total flavonoids (32.28%) and total tannins (61.58%) in relation to the control treatment. Mycorrhizal technology using the C. etunicatum fungus is an alternative to increase the levels of foliar bioactive compounds in A. cearensis seedlings. Key words: Caatinga, phenolic compounds, arbuscular mycorrhizal fungi (AMF).
Highlights
Arbuscular mycorrhizal fungi (AMF) are inhabitants of the soil and belong to the Phylum Glomeromycota (Schubler et al, 2001)
The Caatinga is a biome that is rich in leguminous species with medicinal properties that are widely used by the local population as phytotherapeutic drugs (Agra et al, 2007, 2008)
Amburana cearensis is found among the medicinal plants of the Caatinga, a legume that is used by the local population
Summary
Arbuscular mycorrhizal fungi (AMF) are inhabitants of the soil and belong to the Phylum Glomeromycota (Schubler et al, 2001). Amburana cearensis is found among the medicinal plants of the Caatinga, a legume that is used by the local population Parts of this plant, such as the stem, the seeds and bark are used in the production of pastilles, syrups and teas for the treatment of various diseases due to their antioxidant (Leal et al, 2003), antiinflammatory (Leal et al, 2008), antifungal (Santos et al, 2009), antibacterial (Figueiredo et al, 2013) and antineoplastic (Costa-Lotufo et al, 2003) properties. The aim of this study was to examine the efficiency of the AMF in increasing the production of foliar bioactive compounds in A. cearensis seedlings
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