Your search resulted in 140 documents. Displaying 25 entries per page.
Imports of African logs, do they harbor wood-decaying alien fungi and bacteria that could become a potential threat at temperate latitudes? – First results
2018 - IRG/WP 18-10904
…and bacterial species imported to Germany with logs from African countries. In a first approach we analysed fungal species on imported logs by identification of fruit bodies by DNA sequencing of the internal transcribed spacer (ITS) regions ITS1 and ITS2. First results revealed the existence of at least one alien…
J Trautner, M Höpken, E Melcher
Bio-preservative properties of technical lignins from South African pulp mills: An investigation towards a conceptualized development of natural compound-based wood preservatives
2018 - IRG/WP 18-30724
…and pulping processes commercially employed in the South African pulp industry.
A Alade, L Tyhoda, M Meincken
Environmental protection and long term in-service sustainability of preserved wooden poles is secured by non-toxic barrier protection system – History and case studies in South Africa
2018 - IRG/WP 18-50340
…wooden poles and prevent their premature failure in South Africa since 1992 but the technology also has a long history of resistance by individuals with vested interests in the built-in redundancies of such poles. The concept has, however, been simultaneously validated by many independent research institutions…
A A W Baecker
An overview of The Wood Preservation Industry in South Africa
2018 - IRG/WP 18-50343
South Africa boasts a total land area of 1,22 million km2 or 122 million hectares of which approximately 1% is cultivated with commercial plantation forests. The species planted are exotic species i.e. pine, eucalyptus and wattle. The commercial forests supply raw…
Bruce Breedt
The Commercial Forestry and Forest Products Industry in South Africa – A brief overview
2018 - IRG/WP 18-50342
…by Mr Michael Peter, Executive Director of Forestry South Africa, provides insight into the commercial forestry and forest products industries in South Africa. The forestry industry in South Africa is based solely on the propagation of exotic trees, grown in plantations in the higher rainfall regions of South…
M Peter
Termite taxonomy and distribution with particular reference to climate change in Africa
2010 - IRG/WP 10-10738
…constitute an integral component of various ecosystems in Africa. Termites are also amongst the most difficult of the insects to study because of their cryptic behaviour. There are around 2600 species of termites (Isoptera) in 280 genera which have been described worldwide and about 39% of the total termite species…
P O Y Nkunika, B M Ahmed Shiday, G W Sileshi, J R J French, P Nyeko, S Jain
Natural durability of eight tropical hardwoods species from Africa
2005 - IRG/WP 05-10563
…Acajou (Khaya ivorensis), Frake (Terminalia superba), African padauk (Pterocapus soyauxii), Amouk (Microberllinia brazzavilensis), Ilomba (Pycnanthus angolensis), Iroko (Chlorophora excelsa) and Parassolier (Mussanga cecropioides).
The soil block test procedure was conducted according to ASTM D2017-81 standard.…
P Nzokou, K Wehner, D P Kamdem
Revised South African standards for wood preservation: Protocols for approval of wood preservatives
1995 - IRG/WP 95-20072
In 1994 the South African timber treatment industry completed its revision of the South African Bureau of Standards (SABS) Code of Practice for the preservative treatment of timber. These revisions were undertaken in parallel with changes to the SABS specifications for…
D Conradie, P Turner, W E Conradie, A D Currie, I S J Burger
Diffusion treatment plants (Latin America - Africa)
1974 - IRG/WP 333
B N Prasad
Wood preservation in Southern Africa
1984 - IRG/WP 3320
…status of wood preservation in the countries of Southern Africa, namely Botswana, Lesotho, Mozambique, Namibia, South Africa, Swaziland and Zimbabwe. It includes some data on the timber production from the forests of these countries, as well as detailing the state of the timber products industries in South Africa…
A Pizzi, W E Conradie, R Cockcroft
Changes in decay risk of wood in ground contact over Europe, from analysis of historic climate conditions
2024 - IRG/WP 24-41008
…higher altitudes. A small decrease in dose in northern Africa and the Middle East occurred due to more arid conditions and also in Ireland due to heavy rainfall. With further projected climate change in the future, it is important to understand the drivers and patterns of in-ground wood decay, as increases in…
P B van Niekerk, B N Marais, G Alfredsen, C Brischke
Determining the natural durability on xylarium samples: mini-block test, wood powder and chemical profiling
2019 - IRG/WP 19-10944
…from the Federal Xylarium in the Royal Museum for Central Africa. The Federal Xylarium contains over 80,000 specimens, covering more than 13,000 species, mainly from Central Africa. These specimens have a random format (disks, book-shapes…) and should be treated with care when sampling for testing, as these…
V Deklerck, L De Ligne, J Van den Bulcke, E Espinoza, H Beeckman, J Van Acker
Performance if internal remedial treatments to arrest fungal attack in poles and large timbers
2018 - IRG/WP 18-40834
Internal remedial treatments have been used to arrest internal fungal attack in utility poles and other large timbers. Water diffusible systems and volatile fumigants have both been used for this purpose. While both work, it is important to understand the perf…
J J Morrell
International Directory of Members and Sponsors 2017
2018 - IRG/WP 18-60430
IRG Secretariat
Annual Report 2017
2018 - IRG/WP 18-60431
IRG Secretariat
Agenda 2018 Plenary meeting
2018 - IRG/WP 18-60432
IRG Secretariat
IRG Documents 2018
2018 - IRG/WP 18-60446
IRG Secretariat
The IRG49 Scientific Conference on Wood Protection. Poster abstracts
2018 - IRG/WP 18-60433
IRG Secretariat
Programme. The IRG49 Scientific Conference on Wood Protection
2018 - IRG/WP 18-60434
IRG Secretariat
2018 Official photo
2018 - 2018 Official photo
IRG Secretariat
Building with wood in the Arctic
2018 - IRG/WP 18-50335
During the last five years there has been a significant increase in interest in Canada in the Arctic, with research on the Franklin exploration of the mid19th century searching for the North West Passage, which coupled with the impact of Global warming on the…
J N R Ruddick
Colour changes in unpainted wooden façades – Fifty Shades of Grey
2018 - IRG/WP 18-10903
In Norway the use of weathered unpainted, wooden façades has increased in popularity the last 20 years, both in single family houses as well as in multi-story and non-residential buildings. The benefit of using unpainted wood as façade material can be severa…
K Zimmer, L R Gobakken, O Flindall, M Nygaard
Impact of temperature and relative humidity on spatio-temporal fungal growth dynamics of Basidiomycetes
2018 - IRG/WP 18-10905
Basidiomycetes can cause considerable damage to wood and other bio-based building materials. Knowing at which environmental conditions these decay fungi generally thrive, and how the environmental conditions affect fungal growth characteristics, is therefore o…
L De Ligne, G Vidal-Diez de Ulzurrun, J Van den Bulcke, J M Baetens, B De Baets, J Van Acker
Interactions between wood polyphenols and detoxification enzymes of the white rot Trametes versicolor
2018 - IRG/WP 18-10906
Wood decay fungi have complex detoxification systems that enable them to cope with secondary metabolites produced by plants. Although the number of genes encoding for glutathione transferases (GSTs) is especially expanded in lignolytic fungi, little is known a…
M Schwartz, T Perrot, E Aubert, S Dumarçay, F Favier, P Gérardin, M Morel-Rouhier, G Mulliert, F Saiag, C Didierjean, E Gelhaye
For the understanding of biological strategies to sustainable pest management: the case of Nasutitermes corniger
2018 - IRG/WP 18-10907
Termites have long been a serious pest of wooden constructions, timber products and are still causing an important problem in most of tropical regions. The genus Nasutitermes is among the most abundant wood-feeding Termitidae in South of America. The first aim…
I Boulogne, N Amusant, R Constantino, M Falkowski, A M S Rodrigues, E Hoël