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Utilize este identificador para citar ou criar um link para este item: http://acervodigital.unesp.br/handle/11449/20419
Título: 
Occurrence of hyphomycetes and actinomycetes in red-yellow latosol from a cerrado region in Brazil
Autor(es): 
Instituição: 
Universidade Estadual Paulista (UNESP)
ISSN: 
0001-3714
Resumo: 
A study to quantify the populations of filamentous fungi and actinomycetes was undertaken in a cerrado area, in Corumbatai county, São Paulo, at different depths of medium-textured red-yellow latosol, correlating them to humidity, organic matter, pH of the soil and climatic factors. The technique used was the serial dilution of composite soil samples (n=4), using Martin's medium with streptomycin for filamentous fungi and a starch medium for actinomycetes. The number of filamentous fungi was more abundant in the first soil layer, 0-5 cml compared to the other depths. The number of actinomycetes was higher between 5 cm and 50 cm depth. There were two-monthly variations in the number of filamentous fungi and actinomycetes. A sharp drop in fungi was found in May 1988 at all depths of the soil, when there was lower air temperature and an atypically high monthly rainfall for this period in the cerrado. Statistically significant and directly proportional correlations were obtained between the number of actinomycetes and the rainfall at depths of 0 to 5 cm and 50 to 100 cm. The results obtained in the different soil layers to 100 cm depth demonstrated the importance of the first 5 cm layer due to the heavy concentration of microorganisms, mainly the filamentous fungi, together with the highest organic matter content.
Data de publicação: 
1-Jul-1997
Citação: 
Revista de Microbiologia. São Paulo: Soc Brasileira Microbiologia, v. 28, n. 3, p. 197-203, 1997.
Duração: 
197-203
Publicador: 
Soc Brasileira Microbiologia
Palavras-chaves: 
  • actinomycetes
  • cerrado
  • filamentous fungi
  • soil
Fonte: 
http://www.scielo.br/scielo.php?script=sci_issues&pid=0001-3714&lng=en&nrm=iso
Endereço permanente: 
Direitos de acesso: 
Acesso restrito
Tipo: 
outro
Fonte completa:
http://repositorio.unesp.br/handle/11449/20419
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