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Laboratory and field trials of novel antisapstain formulations
1997 - IRG/WP 97-30146
This document covers the results of laboratory and field trials of combinations of fungicides formulated using a patented technology (PCT NZ 96/00143). A 3 week laboratory trial that uses radiata pine (Pinus radiata D. Don) branch discs as a substrate was used to determine which combinations possessed a suitable spectrum of fungitoxicity against key sapstain, mould and decay fungi. In particular f...
R N Wakeling, P N Maynard, D R Eden, C M Chittenden, B Carpenter


Susceptibility of antisapstain fungicides to rain wash-off
1994 - IRG/WP 94-30046
Results of trials using miniature timber packets and simulated rain wash-off are described. Six fungicidal actives in five commercial antisapstain formulations were involved, and a clear influence of rainfall timing after antisapstain treatment was demonstrated. Differences between actives and formulations were most marked where water-spray was applied in the first hour after treatment, though eve...
R N Wakeling, D J Cross, D R Eden, P N Maynard


A study of the efficacy of antisapstain formulations containing triazole fungicides
1993 - IRG/WP 93-30021
This document gives efficacy data for antisapstain formulations based on triazole fungicides. A rapid (3 week) laboratory screening method was used to determine the efficacy of six triazole fugicides alone and in combination with other fungicides. Field trials were carried out of three promising formulation types, each comprising a triazole compound as the primary fungicide in combination with a s...
R N Wakeling, N P N Maynard, R D Narayan


Fungus cellar and antisapstain field trial studies of six triazole fungicides
1995 - IRG/WP 95-30077
The efficacy of six triazole fungicides was compared using a fungus cellar soil bed test, a rapid antisapstain laboratory trial and a 36 week antisapstain field trial. After 21 months in the fungus cellar the mean soundness of radiata pine treated with 1.5 kg/m³ of cyproconazole, azaconazole, hexaconazole, tebuconazole, propiconazole and flusilazole in combination with 1.0 kg/m³ didecydimethyl a...
R N Wakeling, J G Van der Waals, R D Narayan, J B Foster, B E Patterson, P N Maynard


Efficacy of a novel copper-based organic solvent preservative in laboratory and fungus cellar tests
1995 - IRG/WP 95-30071
The efficacy of Chemicca 4, a novel copper-based organic solvent preservative, was compared with that of other LOSP in pure culture laboratory decay tests and with that of CCA and TBTO in a fungus cellar exposure. It was markedly superior to copper and zinc naphthenates at equivalent metal retentions in laboratory decay tests, and similar in activity to TBTO. After 60 months' fungus cella...
M E Hedley, P N Maynard