Your search resulted in 534 documents. Displaying 25 entries per page.
Results on field stake tests against termite – Maximum for 8 years examination at Kumamoto in Japan
2003 - IRG/WP 03-10463
Various preservative treated or modified wood and charcoal painting stakes were tested in field, maximum for eight years in Kumamoto, distributed two main termite species, Coptotermes formosanus and Reticulitermes speratus. After two years in field, untreated sapwood of sugi (Cryptomeria japonica) were observed severe attacks by termites, but the preservative treated stakes were observed no signif...
K Suzuki
Performance of Tuff Brite C™ and other formulations against blue-stain, mold and brown-stain in freshly-sawn rubberwood (Hevea brasiliensis) in the humid tropics of Peninsular Malaysia
1997 - IRG/WP 97-30163
The relative anti-sapstain and anti-mold efficacies, including brown-stain development in freshly-sawn rubberwood (Hevea brasiliensis) in the Malaysian tropics, between selected water-based product concentrations of formulations Tuff Brite CTM without/with added Borax (at 1.5/0, 1/1.5, 1.5/1.5 and 2%/1.5%), PQ8TM without/with added Borax (at 2.5/0, 1.5/1.5, 2/1.5 and 2.5%/1.5%) and NeXgenTM/NeX-Br...
A H H Wong, T L Woods
A field test with anti-stain chemicals on sawn pine timber in Brazil
1989 - IRG/WP 3513
Field tests were carried out in São Paulo State - Brazil, to evaluate pre-treatment formulations of O-Phenyl-Phenol (OPP) based products. The Sodium Pentachlorophenate solution was used as a reference formulation. The treated test blocks were stacked in a covered shed, and in an uncovered place for air drying. The evaluation was done by measuring the percentage of stained surface on each test blo...
M B B Monteiro, S Brazolin
The suitability of isothiazolone microemulsions as long term wood preservatives
1997 - IRG/WP 97-30150
Microemulsion formulations of 4,5 dichloro-2-n-octyl-4-isothiazolin-3-one were investigated to determine the leaching potential of these formulation types as well as their efficacy against decay fungi. These patented low leaching formulations exhibited good anti fungal efficacy in standard tests combined with minimal leaching of the active ingredient from the wood. The data suggests that the excel...
B M Hegarty, Bing Yu, L E Leightley
Termite resistance of twenty-eight Indonesian timbers
1982 - IRG/WP 1150
A comparative study of termite resistance of 28 Indonesian wood species has been conducted using small samples measuring 5 x 10 x 20 mm³. The drywood termite Cryptotermes cynocephallus (Kalotermitidae) and the subterranean termite Coptotermes curvignathus (Rhinotermitidae) were used in the study. A resistance classification was derived on the basis of cluster analysis. The result reveals that Alb...
Nana Supriana, P E Howse
Performance of Borate-treated lumber in a four-year, above-ground termite field test in Hawaii
2001 - IRG/WP 01-30265
We report the fourth year of field study results from a protected above-ground field test in Hawaii simulating the sill plate (dodai) used in conventional Japanese housing construction. Field tests were established in both Hawaii and Japan to examine the efficacy of disodium octaborate tetrahydrate (DOT, 2% and 3% shell and through) wood treatments. In Hawaii, chromated copper arsenate (CCA, 4 kg/...
J K Grace, R J Oshiro, A Byrne, P I Morris, K Tsunoda
Decay and termite resistance of wood treated with boron-containing quaternary ammonia compound, didecyl dimethyl ammonium tetrafluoroborate (DBF) incorporated with acryl-silicon type resin
2004 - IRG/WP 04-30334
This study evaluates the decay and termite resistance of surface-treated wood with didecyl dimethyl ammonium tetrafluoroborate (DBF) incorporated with acryl-silicon type resin emulsion. DBF is a quaternary ammonia compound and contains boric tetrafluoride (BF4-) as a counter ion in its chemical structure. In the study, DBF was incorporated with an acryl-silicon type resin to increase water-resista...
S N Kartal, W J Hwang, K Shinoda, Y Imamura
Six-year Report on the Performance of Borate-treated Lumber in an Above-ground Termite Field Test in Hawaii
2004 - IRG/WP 04-30343
We report the fifth and sixth years of field study results from a protected above-ground field test in Hawaii simulating the sill plate (dodai) used in conventional Japanese housing construction. Field tests were established in both Hawaii and Japan to examine the efficacy of disodium octaborate tetrahydrate (DOT, 2% and 3% BAE shell and through) wood treatments. In Hawaii, chromated copper arsen...
J K Grace, A Byrne, P I Morris, K Tsunoda
Evaluation of tropical wood by-products as a potential source for termite control products
2001 - IRG/WP 01-10408
Termites damaging in houses represent an ever growing threat in Europe, where the phenomenon has accelerated during the last ten years, as well as in the tropics, where infestations are permanent. To fight against this plague, the current methods used, through injection of organochloric or organophosphorized products into the timber structures and walls, are belonging to the past due to the toxici...
A Zaremski, S Robert, J-L Clement, D Fouquet
Remedial wood preservative efficacy of BORA-CARE against the Formosan subterranean termite and eastern subterranean termite (Isoptera: Rhinotermitidae)
1991 - IRG/WP 1504
When a spruce board (3.8 cm x 8.8 cm x 2.4 m) was surface-sprayed with BORA-CARETM solution (containing 23% disodium octaborate tetrahydrate) and stored in an air-conditioned room (24 ± 2°C and 60 ± 5% RH) for eight months, ca. 40% of the wood (measured by the cross section surface proportion) contained borates at the rate of >2,500 ppm BAE (boric acid equivalent). In a choice bioassay, term...
N-Y Su, R H Scheffrahn
A report on the development of "Technical Recommendations Document for the Canadian wood preservation and protection facilities"
1987 - IRG/WP 3447
The wood preservation and wood protection industry uses chemicals which are similar. However, because the methods of applications of preservatives are different in wood preservation (pressure treatment) and wood protection (surface treatment) plants, their problems need to be resolved separately. As a part of a federal strategy to protect the environment and human health from potentially toxic com...
G Das, V N P Mathur
Termite field evaluations in hawaii: A brief review of methods and issues
1995 - IRG/WP 95-10131
The severe termite hazard in Hawaii, principally due to the presence of the Formosan subterranean termite (Coptotermes formosanus Shiraki), has long required the use of preservative-treated lumber in building construction. This hazard has also favored and stimulated field research in Hawaii on methods of protection from termite attack, including evaluation of soil insecticides and treated wood und...
J K Grace
Intrigue Dust - A new method of eradicating subterranean termite (Isoptera: Rhinotermitidae) colonies
2001 - IRG/WP 01-10396
Arsenic trioxide is used by pest controllers in Australia to eradicate subterranean termite colonies. In 2000 Bayer Australia introduced Intrigue Termite Dust as a more environmentally acceptable alternative. Intrigue, containing 80% triflumuron, a chitin synthesis inhibitor, disrupts the moulting process in termites. Dusted termites return to the nest and pass around triflumuron via mutual groomi...
W Madden
Silafluofen: Novel chemistry and versatility for termite control
1995 - IRG/WP 95-30069
A novel silicon - containing insectizide, HOE 084498 ('Silafluofen'), with a favourable toxicological profile, has shown activity against a broad spectrum of agricultural and environmental health pests. Results from laboratory and field studies around the world have demonstrated that silafluofen is effective at protecting timber from attack by various species of termite and wood-...
A J Adams, A Jermannaud, M-M Serment
Mobility of zinc borate wood composite preservative
1997 - IRG/WP 97-30153
Zinc borate (ZB) is being used as an antifungal and insecticidal wood preservative for flake/strand-based composites. Data is reported on the laboratory and field leaching behavior of ZB when contained in apen flake composites. In general, the performance results correlate with leaching hazard. Although the boron in ZB is more resistant to depletion than in sodium borates, the ZB boron will deplet...
P E Laks, M J Manning
Evaluation of the effectiveness of defence anti-stain in the control of sapstain in laboratory and field tests
1990 - IRG/WP 3593
The anti-sapstain product Defence Anti-stain (DAS) has been evaluated internationally in laboratory and field tests during the years 1988 and 1989. Results of tests carried out by institutes and by own companies in countries like Indonesia, Ivory Coast, Japan, Portugal, Belgium, The Netherlands and Spain will be presented. In the several tests Defence Anti-stain showed a high fungicidal activity t...
G Rustenburg, C J Klaver
Field tests of molybdenum and tungsten baits for termite control
2004 - IRG/WP 04-30345
Molybdenum and tungsten compounds are slow acting to termites and show a high termiticidal efficacy. In our previous papers, we have already reported that those are useful as termiticidal ingredients of bait formulations.
The demand for natural rubber is still on the increase. However some kinds of termites inhabiting rubber plantations damage rubber trees and pose a serious threat.
To cope with...
Y Katsuda, K Nakayama, C Vongkaluang
Comparison of two laboratory methods for screening potential anti-sapstain chemicals
1993 - IRG/WP 93-10036
Two methods were used to screen a number of potential anti-sapstain chemicals in the laboratory. In one method miniature boards of freshly felled Scots pine sapwood were dip treated with the candidate chemical, sprayed with a suspension of stainers or moulds and incubated for five weeks. In the other method antibiotic assay discs were treated with precise quantities of chemical, plated out on malt...
S M Gray, D J Dickinson
Commercial antisapstain chemicals in New Zealand
1980 - IRG/WP 3142
Almost all sawn timber of exotic softwoods (principally Pinus radiata) and a large proportion of indigenous sawn timber receives an antisapstain chemical treatment to prevent fungal degrade during subsequent seasoning, storage, or transportation (if exported). Antisapstain chemicals are also widely used to protect freshly peeled round produce during drying. A further, specialised, use is as the fu...
J A Butcher
Evaluation of Rosewood extractives as potential source for termite control
2003 - IRG/WP 03-30323
Rosewood (Aniba rosaeodora) is an extremely durable tropical timber species that has been widely used in the past in perfumery on account of its high proportion of essential oil. The aim of this study was to evaluate the efficacy of the extractives from rosewood as possible active ingredients for termite control.
Some rosewood sawdust has been extracted using different solvents and methods. The e...
M-F Thévenon, P Simonin, A Carrère, D Fouquet
Fungicidal effectiveness of amended alkylammonium compound
1987 - IRG/WP 3421
Amendment of didecyldimethylammonium chloride was attempted to improve its fungicidal effectiveness and properties of treating solutions. Addition of copper definitely increased effectiveness in controlling wood decay fungi, although metal corrosiveness and stability of treating solutions was unsatisfactory. Further amendment with stabilizer(s), anticorrosive agent(s) and sequestering agent(s) res...
K Tsunoda, K Nishimoto
Preservative treatment of wood-based composites with a mixture formulation of IPBC-silafluofen using supercritical carbon dioxide as a carrier gas
2003 - IRG/WP 03-40251
Wood-based composites treated with a mixture formulation of a fungicide, 3-iodo-2-propynyl butylcarbamate (IPBC) and a termiticide, silafluofen using supercritical carbon dioxide (SC-CO2) as a carrier solvent were tested for their resistance to decay and termite attack in the laboratory. The treatment solution was prepared by mixing both biocides (IPBC 10 + silafluofen 1) with a co-solvent, ethano...
K Tsunoda, M Muin
Termite resistance classification of some tropical and temperate species based on the laboratory choice test results against formosan termite, Coptotermes formosanu
2004 - IRG/WP 04-20291
The results of classification of termite durability were varied. We carried out
laboratory evaluation of the classification of termite durability on various species by
the choice test against formosan termite, Coptotermes formosanus. We classified five
grades (very sensitive to very resistant). According to our results, azobe, ipe, keruing,
intsia, kapur, yellow meranti, jarraah, malas, cypres...
K Suzuki
Implications for comparability of laboratory experiments revealed in studies on the effects of population density on the vigour in groups of Coptotermes lacteus (Frogatt) and Nasutitermes exitiosus(Hill) (Isoptera: Rhinotermitidae, Termitidae)
1983 - IRG/WP 1194
The vigour - survival. and wood consumption - of groups of Coptotermes lacteus and Nasutitermes exitiosus was measured when termites were kept at different population densities (g termites/mL) by changing group size and/or volume of the holding container. A characteristic pattern emerges for subterranean-like termite species. At low population densities (<0.01 g/mL) performance of termites impr...
M Lenz, R A Barrett, E R Williams
Anti-bluestain treatment developed for log cargoes stacked in subtropical conditions for export on logging ships
1995 - IRG/WP 95-30081
Subtropical environments impose conditions of temperature, humidity and rainfall which are optimal for growth of bluestain fungi. Unprotected softwoods under such conditions become bluestained three days after felling. Furthermore, intervals between harvesting and delivery to export marketplaces exceed the 30-day protection periods attributed to anti-bluestain formulations in such conditions. Thes...
A A W Baecker, M Behr, G D Shelver