Data/hora: 03/06/2024 06:45:35

Provedor de dados: | Scientia Agricola
País: | Brazil
Título: | Humic substances isolated from residues of sugar cane industry as root growth promoter
Autores: | Busato,Jader Galba; Zandonadi,Daniel Basílio; Dobbss,Leonardo Barros; Façanha,Arnoldo Rocha; Canellas,Luciano Pasqualoto.
Data: | 2010-04-01
Ano: | 2010
Palavras-chave: | H+-ATPase; Brazil; Industrial residues; Physiological effects; Bioactivity.
Resumo: | Plant growth promoting substances are widely used in modern agriculture. Several products in the market are humic substances isolated from different sources. The filter cake, a residue of sugar production, is a rich and renewable source of organic matter and these characteristics place the filter cake as a possible source of plant growth promoting substances. Humic acids (HA) from filter cake were characterized, and their effects as root growth promoters were evaluated. Chemical features of the HA were evaluated through elemental composition, acidic functional groups, E4/E6 ratio and infrared spectroscopy analyzes. The biological activity of the HA was assessed using root architecture parameters and the P-type H+-ATPase activity. The lateral root development was directly related to the stimulation of plasma membrane ATPase activity. The ability of HA to promote root development indicate that HA from filter cake can be used as environmental plant growth stimulators.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162010000200012
Editor: | São Paulo - Escola Superior de Agricultura "Luiz de Queiroz"
Relação: | 10.1590/S0103-90162010000200012
Formato: | text/html
Fonte: | Scientia Agricola  v.67 n.2 2010
Fonte: | info:eu-repo/semantics/openAccess