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Chemical compounds from Eperua falcata and Eperua grandiflora heartwood and their biological activities against wood destroying fungus (Coriolus versicolor)
2005 - IRG/WP 05-30373
The chemistry analysis of the compounds present in dichloromethane and ethanolic fraction as well as bioassays enables to understand the durability differences of Eperua falcata and Eperua grandiflora. The principal distinction between these two species is the acidic subfraction of diterpenoic extract, which is antifungic in Eperua falcata when tested in in-vitro conditions. This study also enable...
N Amusant, C Moretti, B Richard, E Prost, J M Nuzillard, M-F Thévenon
Intraspecific variability of durability of Wapa courbaril (Eperua grandiflora) against Antrodia sp. and Coriolus versicolor: effect of radial and height position in the stem
2004 - IRG/WP 04-10531
The variation of a lesser-used species, Eperua grandiflora attacked by brown and white rot has been examined. Trees of this specie showed differences in their behaviour against the type of rot used and also showed evidence of intra and inter tree variation. The “tree” effect is very significant concerning natural resistance. In the same way, there is variation of durability observed according ...
N Amusant, J Beauchêne, M Fournier
Comparison of residual Methylisothiocyanate (MITC) in Australian and South American hardwood and softwood treated with a solid compressed Dazomet fumigant stick
2024 - IRG/WP 24-20712
The efficacy of compressed dazomet sticks with or without a copper-based accelerant for control of internal decay of both softwood and hardwood species was examined in multiple field trials. Effective levels of methylisothiocyanate (MITC), the fungitoxic decomposition product of dazomet were found in Australian spotted gum (Corymbia spp) and Guyanese Wallaba (Eperua falcata) as well as in southern...
R Tungal, M Powell, J J Morrell, T Singh