Fungos micorrízicos arbusculares em áreas de plantio de leucena e sábia no estado de Pernambuco
| Autor: | Gladstone Alves da Silva, Luciana Xavier da Silva, José de Paula Oliveira, Bruno Tomio Goto, Hélio Almeida Burity, Márcia do Vale Barreto Figueiredo |
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| Jazyk: | portugalština |
| Rok vydání: | 2007 |
| Předmět: | |
| Zdroj: | Revista Árvore, Volume: 31, Issue: 3, Pages: 427-435, Published: 2007 Revista Árvore v.31 n.3 2007 Revista Árvore Universidade Federal de Viçosa (UFV) instacron:SIF |
| Popis: | RESUMO n A ocorrŒncia de fungos micorrIzicos arbusculares (FMAs) foi investigada em AEreas cultivadas com leucena (Leucaena leucocephala L.) e sabiAE (Mimosa caesalpiniaefolia Benth), no Estado de Pernambuco. Amostras de solo foram coletadas em cinco estaAies experimentais da Empresa Pernambucana de Pesquisa AgropecuAEria (IPA), nas cidades de Arcoverde, com plantio de leucena (AL) e sabiAE (AS); Caruaru, com plantio de leucena (CL); e ItambO (IS), Sao Bento do Una (SBS) e Serra Talhada (STS), com plantio de sabiAE. O nœmero de esporos variou de 69 (STS) a 437/50 g de solo (CL) e a colonizaAao micorrIzica, de 11 (CL) a 64% (IS). Nas AEreas com plantio de leucena, a colonizaAao foi inferior a 15%, enquanto naquelas com cultivo de sAEbia houve variaAao de 36 a 64%. Foram observadas 24 espOcies de FMAs, pertencentes aos gŒneros: Acaulospora (6), Archaeospora (1), Entrophospora (1), Gigaspora (3), Glomus (6), Paraglomus (1) e Scutellospora (6). As AEreas CL e STS foram as que apresentaram maior nœmero de espOcies (14). Acaulospora scrobiculata, Archaeospora leptoticha e Glomus etunicatum foram encontradas em todas as AEreas. ABSTRACT n The occurrence of arbuscular mycorrhizal fungi (AMF) in plantations of Leucaena leucocephala L. (leucaena) and Mimosa caesalpiniaefolia Benth (sabia) in the State of Pernambuco was investigated. Soil samples were collected in five research centers of the Agricultural Research Institute of Pernambuco (IPA), in the cities of Arcoverde n plantation of leucaena (AL) and sabiAE (AS); Caruaru (CL) n leucaena plantation; ItambO (IS), Sao Bento do Una (SBS) and Serra Talhada (STS) n plantation of sabiAE. Mycorrhizal spores were extracted from soil, with the highest number (437/50g of soil) being found in the CL region and the lowest (69/50g of soil) in the STS region. The mycorrhizal colonization ranged from 11% (CL) to 64% (IS). The colonization was inferior to 15% in areas of leucaena plantation, however, in areas of sabiAE, it ranged from 36% to 64%. Twenty-four AMF species were identified in the genus: Acaulospora (6), Archaeospora (1), Entrophospora (1), Gigaspora (3), Glomus (6), Paraglomus (1) and Scutellospora (6). The highest species number was recorded in the CL and STS regions (14). Acaulospora scrobiculata, Archaeospora leptoticha and Glomus etunicatum were found in all regions. |
| Databáze: | OpenAIRE |
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