MICORRIZA E RIZÓBIO NO CRESCIMENTO E NUTRIÇÃO EM N E P DE MUDAS DE ANGICO-VERMELHO
2008
Diércules Rodrigues dos Santos | Maria da Conceição Silva Costa | José Romilson Paes de Miranda | Rivaldo Vital dos Santos
The study was carried out greenhouse of the Department of Forestry of the Federal University of Paraíba, Patos, PB. Are am of this study to evaluate the effect of the inoculation with native rhizobia and/or arbuscular mycorrhizal fungi (AMF) of the initial growth of red-angico (Anadenanthera macrocarpa Benth. Bren.), a legume native tree of the great socio-economic and ecological importance in the semi-arid of the Brazilian northeast. The plants grew for 120 days in pots with 4.0 dm3 with a mixture by sand and clay (1:2, v/v). The five treatments consisted: inoculation of AM fungi (Glomus etunicatum Becker & Gerdmann) and/or native rhizobia (NR), previously selected; addition of N (100 mg dm-3) and a control (without N and inoculation). All treatments were significantly higher than the control for seedling height and shoot dry weight, mainly in the treatment with fungi inoculation. Inoculation treatments were able to supply the nutrients (N and P) for growth of A. macrocarpa seedlings ultil 120-days old.
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