Alternatives to methyl bromide fumigation are needed for the phytosanitary treatment of log exports. Among the potential alternative, fumigants are phosphine, and sulfuryl fluoride, which are already in use for other commodities and are labeled for use on wood products. Ethanedinitrile is being used for log treatment in Australia and its registration for that purpose is being sought in other countries. These alternative fumigants were tested against the pinewood nematode, in a range of artificially infested wood samples with high moisture content and, in some cases, the bark layer intact on the surface exposed to the fumigant. Phosphine and sulfuryl fluoride successfully eliminated pinewood nematodes on pine wood chips but neither was completely effective on pine blocks with intact bark. Ethanedinitrile was effective on pine chips, blocks and logs at all the doses tested: 40–100 mgL⁻¹ for 24 h at 20 °C. Ethanedinitrile appears to be a promising alternative to methyl bromide for the fumigation of pine logs. Further testing at lower temperatures and doses, and with commercial-scale log loads, is recommended.

中文翻译：

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甲基溴和其他熏蒸剂对松木样品中松木线虫的功效

原木出口的植物检疫处理需要使用溴甲烷熏蒸替代品。在潜在的替代品中，熏蒸剂是磷化氢和硫酰氟，它们已用于其他商品，并标明可用于木制品。Ethanedinitrile在澳大利亚正被用于原木处理，并且在其他国家正在寻求为此目的进行注册。这些替代熏蒸剂针对松材线虫进行了测试，测试范围包括大量的水分含量高的人工感染木材样品，在某些情况下，暴露于熏蒸剂表面的树皮层完好无损。磷化氢和硫酰氟成功消除了松木屑上的松木线虫，但对具有完整树皮的松木块都没有完全的作用。乙二胺对松木片有效，^-1在20°C下放置24小时。乙胺熏蒸似乎是一种有希望的替代品，用于熏蒸松木原木。建议在较低的温度和剂量下，并以商业规模的对数负载进行进一步测试。