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Brazilian Archives of Biology and Technology
Print version ISSN 1516-8913
DUARTE, Neimar de Freitas; KARAM, Decio; BUCEK, Elizabeth Uber and MUZZI, Maria Rita Scotti. Tolerance of Anadenanthera peregrina to Eucalyptus camaldulensis and Eucalyptus grandis essential oil as condition for mixed plantation. Braz. arch. biol. technol. [online]. 2012, vol.55, n.3, pp.417-424. ISSN 1516-8913. http://dx.doi.org/10.1590/S1516-89132012000300013.
With the purpose of selecting the species of woody Caatinga for mixed plantations with Eucalyptus spp., the allelophatic effects of E. camaldulensis and E. grandis essential oil were studied on the growth activities of Anadenanthera peregrina. The plants were closed in glass chambers in the presence of volatile oil of E. camaldulensis or E. grandis at the concentration of 13 nl.cm-3. The number of leaves, height and diameter at soil lever were compared before, immediately after and after 30 days. Chlorophyll a and b, carotenoids and dry mass were evaluated after the treatment application. There was no inhibitory effect of E. camaldulensis and E. grandis oils on A. peregrina. E. camaldulensis, which was more adapted to semi-arid conditions, was planted in mixture stands with two native legume species, inoculated with Rhizobium and arbuscular mycorrhizal fungi. E. camaldulensis did not inhibit native species growth after two years of cultivation.
Keywords : Allelophatic; Caatinga; angico.