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SILVEIRA,AMANDA G. DA; SANTINI,ELIO J.; KULCZYNSKI,STELA M.; TREVISAN,RÔMULO; WASTOWSKI,ARCI D.; GATTO,DARCI A.. |
ABSTRACT High toxicity of the preservatives most frequently used in wood treatment and the resulting risks of handling pose a threat to small producers and to the environment. In an attempt to mitigate these problems, the present study was conducted with the objective of evaluating the preservative effect of tannic extract on biodeterioration of Acacia mearnsii wood. For this purpose, untreated and preserved specimens, some with tannin extract and some with a preservative mixture based on CCB (Chromated Copper Borate), were submitted to accelerated rotting trials with the fungus that causes white rot (Pycnoporus sanguineus) for 16 weeks. The evaluations were made with a basis on weight loss and chemical components analysis, and they showed that the natural... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Extractives; Laboratory testing; Wood quality; White rot. |
Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652017000603031 |
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Garay M,Rose Marie; Rallo de la B,Mónica; Carmona C,René; Araya C,Jaime. |
Anatomical, chemical, and biodegradation properties of fibers from wheat (Triticum aestivum L.), rice (Oryza sativa L.), and corn (Zea mays L.) plant residues and from rice hull were characterized to generate scientific and technical knowledge to support decision making regarding their use. The anatomical and chemical properties were determined following standard procedures. The degree of biodeterioration was analyzed from growth of white rot fungus Pleurotus ostreatus (Jaq.) Quél. in 30 d under favorable conditions. Afterwards, weight loss was evaluated for each residue. Three replicates were used, plus a control of radiata pine (Pinus radiata D. Don) woodchips. The greatest proportion of a-cellulose was found in residues of rice plants (45.1%), with a... |
Tipo: Journal article |
Palavras-chave: Agriculture fibers; Biodeterioration; Crop residues; White rot. |
Ano: 2009 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392009000300014 |
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