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Characterization of the fungal communities associated with Aquilaria crassna Pierre ex Lecomte plantations in French Guiana
2023 - IRG/WP 23-11001
Aquilariais a tree species belonging to the family of the Thymeleaceae. When the tree is wounded, it can produce a blackened wood, also known as agarwood. The blackened wood has a darker colour than healthy wood and gives off a strong fragrance greatly appreciated by perfumers and by certain oriental religious communities. Production of this blackened wood is deemed to depend on environmental fact...
C Zaremski, C Malandain, O Sibourg, B Heuclin, N Amusant, M Ducousso, A Zaremski


Isolation of the microbiota from wood decay insects and some of their enzymatic activities
2023 - IRG/WP 23-11014
Wood decay organisms have the ability to degrade wood components (cellulose, hemicellulose and lignin) by enzymatic capacities, but these enzymes can belong to the proper organism, or to the associated microbiota. The identification of the microorganisms, as well as their role in the digestion of many substrates not always is very well known. The wood decay insects produce big damages in wood str...
M T Troya, F Llinares, J Arranz, S Izpura-Luis, S M Santos, L Robertson


Envelope wood protection against subterranean termites under H2-hazard class tropical environment by a new generation wood preservative with vegetal extracts-cypermethrin mixtures
2023 - IRG/WP 23-30795
Wood protection industries in progressive economies globally are compelled to develop cost-effective, environmentally acceptable wood treatment solutions for long term carbon storage in wood materials/products while appealing to consumer demands for low environmental impact treated wood. A new generation wood preservative, based in part on 2% vegetal extracts and 0.16% cypermethrin components, has...
D Messaoudi, A H H Wong


Control of Asian subterranean termites Coptotermes gestroi (Blattodae: Rhinotermitidae) by a new generation bait system with vegetal extracts-diflubenzuron mixture
2023 - IRG/WP 23-30797
The efficacy of anti-termite bait pebble dosed at 0.3% w/w of Diflubenzuron, and Chitin Synthesis Inhibitor (CSI) and 0.6% w/w of vegetal extract from Berkem Biosolutions®, was evaluated in the laboratory on the Asian subterranean termite Coptotermes gestroi (Wasmann). Four concentrations 33.3%, 50%, 50% bis and 100% as well as two neutral matrices, were used in two in-house developed test method...
F Chopinet, D Messaoudi


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