前言通常在果树的公害方面受到重视的主要是与大气污染有关的危害。当然果树比其它作物使用农药的次数多,也有因此而引起的药害及对人体带来二次影响的农药残留问题,或重金属的土壤污染问题。但是,现状是这些问题比大气污染危害的比重小,报导也不多。最近奥默罗德博士发表了关于世界园艺作物公害的研究报告,但是关于果树的文献仍不到50篇,从树种的丰富情况来看,应该认为研 Foreword Often, attention is paid to the pollution of fruit trees mainly to the hazards associated with air pollution. Of course, fruit trees use more pesticides than other crops, pesticide residues caused by pesticide damage and secondary effects on the human body, or soil pollution caused by heavy metals are also caused. However, the status quo is that these problems are less harmful than air pollution and have not been reported much. Dr. Omerode recently published a research report on the world’s horticultural crop pollution, but there are still less than 50 articles on fruit trees. According to the richness of tree species,