Development of Anadenanthera colubrina Seedlings Subjected to Different Doses of Coconut Powder and Arbuscular Mycorrhizal for Rehabilitation of Mining Areas
Milton Marques Fernandes *
Universidade Federal de Sergipe, Av. Marechal Rondon, s/n, Jardim Rosa Elze, CEP 49100-000, São Cristóvão, SE, Brazil.
Ronaldo Fernandes Pereira
Cia Desenvolvimento do Vale do São Francisco E Parnaíba, Rua Beira Mar, 2150, Sementeira, CEP 49000-000, Aracaju, SE, Brazil.
Fernanda Maria Matos da Silva
Universidade Federal de Sergipe, Av. Marechal Rondon, s/n, Jardim Rosa Elze, CEP 49100-000, São Cristóvão, SE, Brazil.
Renison Neponuceno de Araujo Filho
Universidade Federal do Tocantins, Rua Badejós, Lote 7, Chácaras 69/72, s/n - Zona Rural, CEP 77402-970, Gurupi, TO, Brazil.
Dayane de Souza Lima
Universidade Federal do Tocantins, Rua Badejós, Lote 7, Chácaras 69/72, s/n - Zona Rural, CEP 77402-970, Gurupi, TO, Brazil.
Victor Casimiro Piscoya
Universidade Federal Rural de Pernambuco, Rua Dom Manoel de Medeiros, s/n, Dois Irmãos, CEP 52171-900, Recife, PE, Brazil.
Mocyr Cunha Filho
Universidade Federal Rural de Pernambuco, Rua Dom Manoel de Medeiros, s/n, Dois Irmãos, CEP 52171-900, Recife, PE, Brazil.
*Author to whom correspondence should be addressed.
Abstract
The objective of this work was to evaluate the development of angico [Anadenanthera colubrina (Vell.) Brenan] seedlings produced with different doses of coconut powder and inoculated with arbuscular mycorrhizal fungi (AMF) in nursery and mining degraded area in the state of Sergipe (Brazil). The experimental design was in randomized blocks, with the following proportions of mineral substrate and coconut powder, with and without AMF. Angico growth was evaluated in nursery after 150 days, and height and diameter were evaluated. Later the seedlings were planted in a degraded area by sand and gravel mining and after 120 days of planting the height, diameter and survival rate were measured. In the nursery phase, the addition of coconut powder promoted a reduction in height and diameter of angico seedlings. Inoculation with AMF significantly increased the height and diameter of Anadenanthera colubrina seedlings in the nursery. However, the field phase results show that the addition of coconut powder to the substrate promotes better development in height and diameter of Anadenanthera colubrina seedlings in the mining degraded area. The conjugation of a low proportion of coconut powder with the inoculation of AMF on Anadenanthera colubrina seedlings resulted in higher survival in the planting of degraded area by mining.
Keywords: Arbuscular mycorrhizal fungi (AMF), angico, survival rate, ecological restoration.