After the allelochemicals of Schima superba leaf and root were extracted by organic solvent and water, the bioassay of the seed germination of Phoebe bournei was done.

• 摘要通过有机溶剂浸提和水浸提2种方式分别提取木荷叶、根的生化物质，并用闽楠种子发芽试验评价木荷对闽楠的化感作用。