Your search resulted in 2552 documents. Displaying 25 entries per page.
Anti-fungal activity of rutin and rutin-metal complexes as wood protectants
2017 - IRG/WP 17-30708
The anti-fungal activity of Rutin, a flavonoid, alone or complexed with copper or zinc was investigated in a petri dish test with Gloeophyllum trabeum and Trametes versicolor as the test fungi. Rutin and the Rutin-metal complexes showed significant inhibition…
Li Yan, J J Morrell, Jie Zhong, Xiuzhu Mao
Anti-Fungal Activity on Some Wood extracts as a Wood Protectant
2016 - IRG/WP 16-30684
…for the duration of seven days. Following biological testing, extracts showed a significant inhibition against each fungus. Selected extract concentration is known to be more efficient on inhibition. As concentration increased, fungal growth slowed down and hindered. Bark extracts used in this study showed…
Ö Özgenç, S Durmaz
Which fungi should be included in the laboratory evaluation of anti-stain chemicals?
2001 - IRG/WP 01-20236
Test fungi for efficacy tests of anti-stain formulations were selected based on the assumptions that test fungi should be fungicide-tolerant antagonists and fungi resistant to both fungicides and fungicide- tolerant antagonists, and such fungi should be…
Hyung-Jun Kim, Jae-Jin Kim, Gyu-Hyeok Kim
Anti-fungal properties of pyrolytic oils derived from softwood bark
2000 - IRG/WP 00-30218
…in the world. The pyrolytic aqueous condensates have been tested for their anti-fungal properties. One of the major objectives of this study was to identify which groups of chemical compounds were the most active to inhibit the growth of wood decay fungi. The fractionation of the pyrolytic aqueous phase in four…
D Mourant, Dian-Qing Yang, Xiao Lu, C Roy
Comparison of the FRIM and forest research laboratory methods for screening of anti-sapstain formulations
1999 - IRG/WP 99-20170
…efficacy of a selection of these formulations between the test methods.
A H H Wong, D R Eden, C M Chittenden, M E Hedley, R N Wakeling
Potential co-valorization of pyrolysis tars from five wood species form Tunisia as wood preservatives bases: Chemical compositions, antifungal and anti-termite activities
2025 - IRG/WP 25-20739
…inhibiting fungal growth and repelling termites. Among the tested samples, the tar derived from Pinus pinea exhibited the strongest bioactivity. When applied at a 10% concentration, it completely inhibited Coniophora puteana and reduced Trametes versicolor growth by 90% in Petri dish assays. Furthermore, Pinus pinea…
M T Elaieb, J Valette, E Kiény, L Pignolet, S Ghariani, K Candelier
A novel anti-fungal wood crack repairing agent based on CQDs/PVA
2025 - IRG/WP 25-20744
Wood is a sustainable material, but its tendency to crack and decay poses a challenge for its applications. In this study, we developed a combination system of nitrogen-doping carbon quantum dots (N-CQDs) and polyvinyl alcohol (PVA) to repair wood cracks. Rath…
X Zhao, Z Zhang, Y Peng, W Wang, J Cao
Efficacy of a wide-spectrum plant bio-based anti-termite product - Laboratory trials
2023 - IRG/WP 23-11024
…have been evaluated through: (1) laboratory screening tests on cellulose paper against Reticulitermes flavipes, (2) laboratory tests according to the guidelines of EN117 against Coptotermes gestroi and Prorhinotermes canalifrons, and, (3) soil treatment tests against C. gestroi. This work reports the efficacy…
M-F Thévenon, F Chopinet, J Vuillemin, A Robert, S Lafay, D Messaoudi
Impregnation of wood with antifungal compounds from low-quality tree biomass
2022 - IRG/WP 22-30763
…impregnated wood was measured with a so-called mini-block test (modified EN 113). Wood of less durable conifers and deciduous tree species was impregnated in a vacuum-pressure chamber, whereat water solutions of the hydrophilic extracts were used. After impregnation, the retention of extracts in the wood matrix was…
V Vek, I Poljanšek, A Balzano, M Humar, P Oven
Quantifying the effect of microclimatic parameters on the moisture-induced decay risk of wooden structures
2019 - IRG/WP 19-20649
…which were implemented in hunting towers serving as test objects on a small but topographically divergent area.
The set of instrumented hunting towers showed high potential to deliver the data needed to further quantify the effect of local conditions on the exposure dose of wooden components with respect to…
L Emmerich, C Brischke
Real-Time PCR Assays for the detection of the dry rot fungus Serpula lacrymans and its close relative Serpula himantioides
2016 - IRG/WP 16-10867
…other fungi were obtained. A first exploratory practice test was done with ten environmental samples, taken from damaged wood. These tests confirmed that the new diagnostic tool is a fast and reliable method for detection of the two Serpula-species. Non-specific reactions, side reactions and the production of PCR…
K Jacobs, N Rangno
Laboratory evaluation of anti-sapstain formulations
1989 - IRG/WP 3510
Four formulations were tested for their efficacy in controlling molds and sapstaining fungi on wood according to the Standard-II of Japan Wood Preserving Association (JWPA). Relative efficacy was compared on the basis of visual rating of the fungal growth on the treated and…
K Tsunoda
Search for an anti-sapstain treatment for fresh radiata pine wood in compliance with European BPD norms: Field Tests
2015 - IRG/WP 15-30673
…in 2009 by the European Union, a project was proposed to test an alternative anti-sapstain treatment that meets both the European restrictions and the performance required for an export-quality radiata pine fresh wood treatment. A set of 16 treatments that included a positive control (commercial treatment), and an…
P Montes C, T Hanke W
Comparison of the anti-fungal efficacy of Cobra with drill perforation on oscillating pressure treated spruce transmission poles -Laboratory test
1988 - IRG/WP 3469
…against basidiomycetes (brown rot) was developed. The tests on CCB oscillating pressure treated spruce transmission poles have shown that the depth of salt penetration can be increased by about 10 mm by a drill perforation before the impregnation. An even better penetration is reached, however, if an additional…
E Graf, B Zgraggen
Japanese standardized method for evaluating effectiveness of anti-sapstain and anti-mould chemicals
1988 - IRG/WP 2299
Japan Wood Preserving Association established a method for testing effectiveness of chemicals against sapstain and mold fungi on wood in 1979. The method is concerned with a laboratory technique using small timber specimens (20 x 50 x 3 mm³), petri dish and 5 test fungi. Effectiveness of each candidate chemical is…
K Tsunoda, K Nishimoto
A comparative field test of the effectiveness of anti-sapstain treatments on radiata pine roundwood
1986 - IRG/WP 3376
…3 months' outside storage the best treatments tested were 4% product Busan 30, 2% product Busan 1009, and 2% active sodium pentachlorophenoxide (NaPCP) with 1.5% borax. After 6 months' storage posts sprayed with Busan 30 were of sounder appearance than those sprayed with Busan 1009 or NaPCP plus…
J A Drysdale, R M Keirle
Methods of testing anti-stain chemicals for protecting sawn timber during storage and transport
1976 - IRG/WP 273
No international standard method for testing anti-stain chemicals for protecting fresh sawn timber exists. The methods used can be divided into three types: a) Rapid screening tests for finding chemicals effective against blue-stain and mould fungi. The chemicals are tested in agar medium, in…
T Vihavainen
Basidiomycete colonization of Scots pine sapwood quantified by qPCR and TGA
2011 - IRG/WP 11-10750
…EN 113 is the standard basidiomycete laboratory durability test method, using mass loss as evaluation criteria. In this paper quantitative real-time PCR (qPCR) and thermogravimetric analysis (TGA) was used to characterize colonization by basidiomycetes in Scots pine sapwood, but also to learn more about the EN 113…
G Alfredsen, S Bollmus, T K Bader, K Hofstetter
Novel Approaches to the Development and Testing of Anti After-glow Additives for CCA-based Treatments of Poles
2011 - IRG/WP 11-30561
In this paper, a field fire stake testing screen method is described. This method uses stake samples from matched wood sources allowing replicates from different boards to be included. The method is easy to control and can provide quick comparative fire resistance test results. The…
L Jin, P Walcheski, A Preston
Discovering anti-fungal agents in New Zealand native plants for use in wood protection
2009 - IRG/WP 09-10692
Extracts from Hinau (Elaeocarpus dentatus) leaves were tested in the laboratory for antifungal activity. In addition, the anatomical structure of the leaf was also examined by a combination of light and scanning electron microscopy. Chemical characterisation of the extracts and investigation into potential use…
C Rickard, T Singh, A Singh, R Newman
Impact of an Antioxidant on the Efficacy of Quaternary Ammonium Compounds (Quats) and Triazoles – Seven Year Above-Ground Study
2009 - IRG/WP 09-30504
…and triazole-based formulations. A seven year lap joint test revealed a positive effect of BHT on the efficacy of quat-based formulations, especially at the low quat retention. The incorporation of BHT in a propiconazole-based system, however, showed an unexpected negative antioxidant effect at all levels tested.…
Xiao Jiang, D Biro, W Holcombe
Antifungal activity of different molecular weights of a biopolymer chitosan against wood decay fungi
2008 - IRG/WP 08-30456
…than Coriolus versicolor. Preliminary in vivo biological test was carried out on malt agar using a miniblock technique for beech and Scots pine sapwood with Coriolus versicolor and Poria placenta, respectively. After six weeks of exposure to fungal attack all chitosan protective systems tested proved their relative…
A S O Mohareb, M E I Badawy
Detection of Anti-Fungal Sapwood Extractives in Non-Durable Scots Pine (Pinus sylvestris), Rubberwood (Hevea brasiliensis) and Jelutong (Dyera costulata)
2007 - IRG/WP 07-10634
…method of Woodward and Pearce (1985) was adopted to detect anti-fungal activity of sapwood or heartwood extractives of 5 Malaysian hardwoods [dark red meranti heartwood (Shorea spp.), red balau heartwood (Shorea spp.), kulim heartwood (Scorodocarpus borneensis), jelutong sapwood (Dyera costulata) and rubberwood…
A H H Wong, R B Pearce
In vitro antifungal activity of chilli against wood degrading fungi
2006 - IRG/WP 06-10572
…showed moderate antifungal activity. No growth of the test fungi was observed on plates amended with 50% chilli juice after 3 weeks of incubation. In the presence of 0.1% oleoresins, fungal biomass was reduced by more than half when compared with unamended controls. The synergy between chilli and Lactobacillus…
T Singh, C Chittenden, D Vesentini
Effect of borate on uptake and efficacy of an anti-sapstain treatment
2005 - IRG/WP 05-30380
…discoloration. These results are consistent with previous tests of borate addition to other fungicides and highlight the potential for using less expensive ingredients to boost the performance of more costly biocides.
Jianju Luo, Hua Chen, J J Morrell