Laboratory and pilot test of the efficacy of several fungicides such as chlorothalonil and carbendazim for control of mold and sap- stain on bamboo and slash pine and rubberwood were conducted in this paper. The result indicates that: -- Clorothalonil/carbendazim are more effective for controlling mold and stain than that of carbendazim alone in laboratory test. --Higher concentration at 0.1-0.2% of chlorothalonil with 0.05-0.1% carbendazim or 0.05-0.1% carbendazim alone are more effective for stain and mold control on slash pine than the formulations of lower concentration in the pilot test. The mixture formulations of 0.1-0.5% clorothalonil/carbendazim are more effective than 0.5%NaPCP or 0.2% carbendazim alone in controlling mold and fungi in rubberwood pilot test.

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