Fourty nine mixtures of fungicides were evaluated in a rapid laboratory screen for the control of stain, mould and decay fungi on Pinus radiata (D.Don). The most effective mixture was thiophanate methyl plus chlorothalonil closely followed by the mixtures of thiophanate methyl plus benzisothiazolone and thiophanate methyl plus dithio-bis (benzmethylamide). Benzalkonium chloride, thiram and ziram, when mixed with other fungicides were not effective in controlling stain, mould and decay fungi.

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